[Q] Phone won't turn on - AT&T LG Optimus G

Hey guys,
Last night I plugged in my LGOG right before I went to sleep. About seven hours later I woke up, woke it up to check the time, then fell back to sleep. When I woke up again a few hours later, my phone was completely dead. No lights go on when charging, nor does it go into the charging mode that happens when the phone is off but charging. The power button does nothing at all. Connecting it to a computer does nothing. I have tried two different wall chargers and a USB plug, and have tried different outlets. The phone is rooted and unlocked. I haven't put any new apps or anything on the phone recently, however I have had a slight overheating issue lately. I don't think that that's what caused the issue though, as when I woke up for the first time and woke it up, the phone was not noticeably hot, and seemed to work fine. Any ideas or suggestions?
Edit: As suddenly as it stopped working, it has started working again, about two hours later. The notification sound buzzed, my phone turned on, and usual on start things happened. However I'm still extremely worried about it. Now that it's on, I assume there's more I can do to figure out the issue- suggestions?

These phones are terribly buggy when charging/when they die, IMO. Worst Android device I've ever had in that respect.
Probably just a fluke, tbh.

Unfortunately it happened again- sent a message, put my phone away, when I tried to turn it on again nothing happened and it stopped working for five minutes.
Apologies for not mentioning this before, but I am using carbonrom, not stock. I've used it for several months with no issues, and have used the latest build for a week or two now without this issue.

miller150 said:
Unfortunately it happened again- sent a message, put my phone away, when I tried to turn it on again nothing happened and it stopped working for five minutes.
Apologies for not mentioning this before, but I am using carbonrom, not stock. I've used it for several months with no issues, and have used the latest build for a week or two now without this issue.
Click to expand...
Click to collapse
Reboot into recovery and wipe cache+dalvik
Maybe the rom needs a little cleaning
Sent from my CM10.2 OGE973

Tried wiping cache and dalvik, but didn't seem to solve the issue. Then my phone started having an issue it's had once before- it turns on for a few seconds, then the screen goes grey for about a minute, then returns to being on. After returning to being on, it acts like it's just started up- ie, there's superuser grant notifications, cpu set notifications, and all sorts of other stuff I usually see on boot. It essentially rendered my phone unusable, so I restored an earlier backup. This seems to have resolved it for now, I may have to wait before updating carbon again.

miller150 said:
Tried wiping cache and dalvik, but didn't seem to solve the issue. Then my phone started having an issue it's had once before- it turns on for a few seconds, then the screen goes grey for about a minute, then returns to being on. After returning to being on, it acts like it's just started up- ie, there's superuser grant notifications, cpu set notifications, and all sorts of other stuff I usually see on boot. It essentially rendered my phone unusable, so I restored an earlier backup. This seems to have resolved it for now, I may have to wait before updating carbon again.
Click to expand...
Click to collapse
Either you have a bad phone (possible, LG seems to have some QC issues based on some of the crazy reports Ive heard fm other people on this forum [Mine's fine]), or it's all the startup **** that you have going.
Do you usually let it discharge to below 5%?
that's a stupid idea with any device, and seems to be especially damaging to our LGOG.

OMGMatrix said:
Either you have a bad phone (possible, LG seems to have some QC issues based on some of the crazy reports Ive heard fm other people on this forum [Mine's fine]), or it's all the startup **** that you have going.
Do you usually let it discharge to below 5%?
that's a stupid idea with any device, and seems to be especially damaging to our LGOG.
Click to expand...
Click to collapse
Have mine 2months been careful not to let the battery shut down on its own but thirds past Monday my car charger weren't bad and the phone shut down. Would not except a charge after that. Went to att and they sent me to a service center. They could not charge it either. They replaced it, now making sure my external battery backup its always charged. Do not want to do that again.
Sent from my LG-E970 using xda app-developers app

That sounds like that could actually be the issue. On the previous iteration of carbon I almost never allowed it to go below about 10%. However the new update seemed to be harsher on battery life and it slipped into the 1% range several times...

same thing happened to me running root box with no tweaks or anything. I woke up and the phone was off, been that way for two days now. it wasn't on the charger so its definitely possible that it died. I actually found this thread because I could've sworn there was a report of someone who had to do a battery pull. I'm thinking that's my only option now.

Related

Random reboot-solved, hope this helps someone.

I know more than a little about Android. I've been hacking and Romming since back in 2007. Last Friday my 3D started rebooting randomly. I tried everything I know. Reflashed different ROMs, same thing. Reflashed the aio 2.17 update. Same thing. reflashed recovery(twrp), same thing. Got 4ext and flashed that, same thing. I didn't know what else to do. Copied all the card to PC, reformatted and copied back, same thing. I had some clues, the GB ROM i was running (CleanROM Reborn) would sometimes report 0% battery. It also would almost never reboot on the charger,
I installed a fresh ROM (MeanROM ICS) and all seemed fine till it randomly factory reset while I was at a gig Sat night!! A week or so ago I was in Austin and left it charging in the car and went swimming. When I got back the battery was reporting overheat. I cooled it off with the AC vent and all seemed well. A few days later, I had a bootloop, thought it was the kernel and did a battery pull. Somehow I must have gotten something on the contacts or didn't seat the battery. I pulled the phone out of my otterbox today and cleaned the contacts and put it back in. powered it up, haven't had a problem since (knock on wood) I'm planning now to get a replacement battery in case I fried mine but only time will tell. I hope this info will help someone at least try the simple stuff first without all the headaches I've had the past 4 days.
This issue happened to my evo 3D : it turned off without reasons.
Sometimes, the battery icon became grey so impossible to see the battery level and few minutes after, it turned off.
One day, it turned off and impossible to power up. I sent it to the repair center and the issue came from battery and other components (contacts with the battery). After other comments on the internet, I'm not the one to met this problem so if it can help you I think that some evo 3d have this issue natively.
PS : sorry for the possible mistake in this message, my english is so bad
to fix random reboots, power off your phone to clear the cache, remove the battery for 30 seconds, place it back in, and power it up. Once it boots up completely, reboot your phone (don't shut down just restart). You should be good. This clears up the bad cache that causes rebooting.
guitardoc64 said:
I know more than a little about Android. I've been hacking and Romming since back in 2007. Last Friday my 3D started rebooting randomly. I tried everything I know. Reflashed different ROMs, same thing. Reflashed the aio 2.17 update. Same thing. reflashed recovery(twrp), same thing. Got 4ext and flashed that, same thing. I didn't know what else to do. Copied all the card to PC, reformatted and copied back, same thing. I had some clues, the GB ROM i was running (CleanROM Reborn) would sometimes report 0% battery. It also would almost never reboot on the charger,
I installed a fresh ROM (MeanROM ICS) and all seemed fine till it randomly factory reset while I was at a gig Sat night!! A week or so ago I was in Austin and left it charging in the car and went swimming. When I got back the battery was reporting overheat. I cooled it off with the AC vent and all seemed well. A few days later, I had a bootloop, thought it was the kernel and did a battery pull. Somehow I must have gotten something on the contacts or didn't seat the battery. I pulled the phone out of my otterbox today and cleaned the contacts and put it back in. powered it up, haven't had a problem since (knock on wood) I'm planning now to get a replacement battery in case I fried mine but only time will tell. I hope this info will help someone at least try the simple stuff first without all the headaches I've had the past 4 days.
Click to expand...
Click to collapse
Good post. Yes, I can see this happening for sure. My battery seems a little loose but I have not had this problem. If it turns out I ever do, then this would be my first guess.
I once had an Acura Legend that for no reason would just stall on the road and die. It was very irritating. One time had to have it towed. I had it in two different garages and neither one of them could fix it and told me there was no problem. But sure enough it happened again. The problem was intermittent.
I had it towed again home to my driveway. I'm sittin in it and thinking. For some reason I started jiggling the keys in the ignition and it would start and stall just by doing that. It was a bad ignition switch. I had never had one go bad before. I replaced it myself and all was well.
I went back to one the garages I took it to and told them I found the problem and what it was. The guy said yeah I knew that was the problem and said he told me so. I could have strangled the guy. Never happened that he told me that. They had even charged me $75.00 for fixing nothing. I never went back to that garage. The other garage I didn't bother telling.
Anyway, your battery problem reminded me of all that. Something I'd rather forget about. Thanks.
i-l-l said:
to fix random reboots, power off your phone to clear the cache, remove the battery for 30 seconds, place it back in, and power it up. Once it boots up completely, reboot your phone (don't shut down just restart). You should be good. This clears up the bad cache that causes rebooting.
Click to expand...
Click to collapse
Yes that would be q normal fix. I tried clearing cache and dalvik AND flashed ROMs and the problem persisted. So far, it's stayed solved. I settled in MeanROM ICS, which I highly recommend btw and have had no reboots that I didn't initiate. I just thought it wierd that a hardware issue would manifest itself that way.
Freeza's All-in-one firmware update helped me as well:http://forum.xda-developers.com/showthread.php?p=21374142#post21374142
The OP has described my experience to a T. In fact I tried all of those things in that exact order.
I have always suspected the battery but I have tried moving it around in the compartment with the phone on and can't force a reboot. Plus, when mine reboots, the screen freezes for a few seconds, which tells me it hasn't lost power and is most likely a corruption or fault of some kind.
Since upgrading the Kernel I have had less reboots, but it sill randomly happens once a week.
This has been true for 4 different ROMs now.
I have other thoughts that this is either an app crashing the kernel or my cpu can't tolerate even default speeds. None of which I have tested yet.
So friggin annoying!
Richard
ramiss said:
The OP has described my experience to a T. In fact I tried all of those things in that exact order.
I have always suspected the battery but I have tried moving it around in the compartment with the phone on and can't force a reboot. Plus, when mine reboots, the screen freezes for a few seconds, which tells me it hasn't lost power and is most likely a corruption or fault of some kind.
Since upgrading the Kernel I have had less reboots, but it sill randomly happens once a week.
This has been true for 4 different ROMs now.
I have other thoughts that this is either an app crashing the kernel or my cpu can't tolerate even default speeds. None of which I have tested yet.
So friggin annoying!
Richard
Click to expand...
Click to collapse
Yeah, the kernel has something to do with the random reboots too. I had it with some of the dodava kernels. It would happen after unplugging from the charger. I did notice that right before, there would be touchscreen issues. Lag mostly in sipping between homescreen panels or opening apps.
guitardoc64 said:
I know more than a little about Android. I've been hacking and Romming since back in 2007. Last Friday my 3D started rebooting randomly. I tried everything I know. Reflashed different ROMs, same thing. Reflashed the aio 2.17 update. Same thing. reflashed recovery(twrp), same thing. Got 4ext and flashed that, same thing. I didn't know what else to do. Copied all the card to PC, reformatted and copied back, same thing. I had some clues, the GB ROM i was running (CleanROM Reborn) would sometimes report 0% battery. It also would almost never reboot on the charger,
I installed a fresh ROM (MeanROM ICS) and all seemed fine till it randomly factory reset while I was at a gig Sat night!! A week or so ago I was in Austin and left it charging in the car and went swimming. When I got back the battery was reporting overheat. I cooled it off with the AC vent and all seemed well. A few days later, I had a bootloop, thought it was the kernel and did a battery pull. Somehow I must have gotten something on the contacts or didn't seat the battery. I pulled the phone out of my otterbox today and cleaned the contacts and put it back in. powered it up, haven't had a problem since (knock on wood) I'm planning now to get a replacement battery in case I fried mine but only time will tell. I hope this info will help someone at least try the simple stuff first without all the headaches I've had the past 4 days.
Click to expand...
Click to collapse
hwat do u mean with "cleaned the contacts" deleted all or what? i have same issue random reboots daily! and make me sick
I cleaned the battery contacts. A Q-tip and alcohol to remove any crud. Let it dry, and put the battery back in making sure not to touch the contacts.
guitardoc64 said:
I cleaned the battery contacts. A Q-tip and alcohol to remove any crud. Let it dry, and put the battery back in making sure not to touch the contacts.
Click to expand...
Click to collapse
thx man, how this wil work, i have random reboots on every rom especialy when phone is in my pocket, but also when stays on desk, so random shutdown/reboot, also i tryed change kernel but without success, mybe this would help, thx for advice.. cheers from croatia
If you guys are not running current firmware/radios I would check that also. I've had that cause random reboots for me in the past and it took me forever to figure it out...
22vlaja said:
thx man, how this wil work, i have random reboots on every rom especialy when phone is in my pocket, but also when stays on desk, so random shutdown/reboot, also i tryed change kernel but without success, mybe this would help, thx for advice.. cheers from croatia
Click to expand...
Click to collapse
No problem, let me know if it works for you.
bpc4209 said:
If you guys are not running current firmware/radios I would check that also. I've had that cause random reboots for me in the past and it took me forever to figure it out...
Click to expand...
Click to collapse
Yeah, I'm running proper firmware for my ROM. That was one of the things I tried when I was figuring out wth was happening. My biggest clue was radical difference in battery level on reboots and the system ui battery reporting crashing. I knew then it wasn't the firmware.

[Q] Thunderbolt randomly powering off / "no battery" after stock ICS?

So.. after dreading the ICS update and knowing I wouldn't be able to avoid it forever, I went ahead and pulled it. Ever since, the phone has been completely unusable when not plugged in. Even fresh off the charger, with any sort of use it will randomly power off, sometimes flashing a warning about the battery being critically low for a brief fraction of a second (the indicator in the top corner will turn into the red empty outline with the line through it, and sometimes a dialog will start to pop up before the screen goes out.)
This *only* happens when off the charger. I've tried a factory default, to no avail. :/
When it happens, if I boot back up immediately, it frequently won't make it back through booting before shutting back off again. If I leave it for several minutes, it'll come back up with some random percent of battery remaining.
This has ONLY started after the ICS update (yes, the HTC has had the random reboot issue before, but it never gave me "I'm going to randomly read the battery level wrong and totally power down" issues, and the reboot issue cleared up for me a while back.) Has anyone else seen this? The phone is essentially useless away from a charger. I can't get through a call. I can text if I'm lucky / fast. There are no other symptoms to speak of.
Thoughts?
Not sure if this applies cause I don't fully understand how you updateded but anyhow, not having the correct radios had caused problems for ICS ROMs.
TheBeardedMann said:
Not sure if this applies cause I don't fully understand how you updateded but anyhow, not having the correct radios had caused problems for ICS ROMs.
Click to expand...
Click to collapse
This is the stock, OTA update that just rolled out recently. Non-rooted phone. It has butchered the thing.
trycatchtb said:
So.. after dreading the ICS update and knowing I wouldn't be able to avoid it forever, I went ahead and pulled it. Ever since, the phone has been completely unusable when not plugged in. Even fresh off the charger, with any sort of use it will randomly power off, sometimes flashing a warning about the battery being critically low for a brief fraction of a second (the indicator in the top corner will turn into the red empty outline with the line through it, and sometimes a dialog will start to pop up before the screen goes out.)
This *only* happens when off the charger. I've tried a factory default, to no avail. :/
When it happens, if I boot back up immediately, it frequently won't make it back through booting before shutting back off again. If I leave it for several minutes, it'll come back up with some random percent of battery remaining.
This has ONLY started after the ICS update (yes, the HTC has had the random reboot issue before, but it never gave me "I'm going to randomly read the battery level wrong and totally power down" issues, and the reboot issue cleared up for me a while back.) Has anyone else seen this? The phone is essentially useless away from a charger. I can't get through a call. I can text if I'm lucky / fast. There are no other symptoms to speak of.
Thoughts?
Click to expand...
Click to collapse
The same thing happened to a co-worker, as soon as he told VZW about it, they shipped a replacement. No hassle from them, no extra troubleshooting. Seemed like it might have been a known issue..
Tiezane said:
The same thing happened to a co-worker, as soon as he told VZW about it, they shipped a replacement. No hassle from them, no extra troubleshooting. Seemed like it might have been a known issue..
Click to expand...
Click to collapse
Thanks for the tip same happened to a co worker of mine's phone just like the op and saw your post and told him to call vzw and after a few minutes they told him they would ship him another thunderbolt next day. He said the tech eluded to the same thing that they know about the issue.
XDA Moderator

[Q] Evo 3D doesn't turn on

Hey guys.
I have a problem with my HTC EVO 3D. I've been using it for a year and everything was fine until yesterday. I was playing Real Racing 3 when my phone suddenly restarted and then turned off before I could enter my PIN code and didn't boot up. I thought that it might have overheated or it was some crash or something, I put the phone to charging and it easily turned on (I must mention, that there were about 70% battery left). I charged my phone and didin't use it whole afternoon. In the evening, I was trying to unlock my phone (with about 70% of battery) when suddenly the same happened again - the phone restarted and before entering PIN code turned off at all. After that I wasn't able to boot my phone.
I tried charging it with original HTC AC charger and also using my laptop and even a car charger, but nothing changes.
When the phone is not plugged in to charging, it doesn't show any signs of being alive. I tried pressing volume down/up/camera buttons + power on button, taking off the battery for about an hour, charging the phone for ~6 hours. Nothing works.
However, I realised that when I connect the phone to my laptop, there is a 'new device is connected' sound, but I am not able to access my memory card or do something else. Also, when the phone is charging, the red charging light is on, which after a few hours turns to green and after some more time disappears at all. When trying to turn on the device while it is charging the red light disappears as soon as the power button is released ant comes back after about 20 seconds.
Sorry for such long story and for my bad English. I am very disappointed. I still have a warranty, but I dont want to take the phone there, because the fixing lasts at least 2-3 weeks and also since I'm unable to boot my phone, there are a lot of my personal information in it, such as passwords,messages, bookmarks and so on, left.
So, is there anything I could do or should I take my phone to service?
P.S. The phone is not rooted and never was. Everything is original and up to date.
shvogrius said:
Hey guys.
I have a problem with my HTC EVO 3D. I've been using it for a year and everything was fine until yesterday. I was playing Real Racing 3 when my phone suddenly restarted and then turned off before I could enter my PIN code and didn't boot up. I thought that it might have overheated or it was some crash or something, I put the phone to charging and it easily turned on (I must mention, that there were about 70% battery left). I charged my phone and didin't use it whole afternoon. In the evening, I was trying to unlock my phone (with about 70% of battery) when suddenly the same happened again - the phone restarted and before entering PIN code turned off at all. After that I wasn't able to boot my phone.
I tried charging it with original HTC AC charger and also using my laptop and even a car charger, but nothing changes.
When the phone is not plugged in to charging, it doesn't show any signs of being alive. I tried pressing volume down/up/camera buttons + power on button, taking off the battery for about an hour, charging the phone for ~6 hours. Nothing works.
However, I realised that when I connect the phone to my laptop, there is a 'new device is connected' sound, but I am not able to access my memory card or do something else. Also, when the phone is charging, the red charging light is on, which after a few hours turns to green and after some more time disappears at all. When trying to turn on the device while it is charging the red light disappears as soon as the power button is released ant comes back after about 20 seconds.
Sorry for such long story and for my bad English. I am very disappointed. I still have a warranty, but I dont want to take the phone there, because the fixing lasts at least 2-3 weeks and also since I'm unable to boot my phone, there are a lot of my personal information in it, such as passwords,messages, bookmarks and so on, left.
So, is there anything I could do or should I take my phone to service?
P.S. The phone is not rooted and never was. Everything is original and up to date.
Click to expand...
Click to collapse
Perhaps try a new battery or take it in and have them try one. Sounds like a battery issue.
Sent from my SlimRom jb'd EVO 3D.
aqualls said:
Perhaps try a new battery or take it in and have them try one. Sounds like a battery issue.
Sent from my SlimRom jb'd EVO 3D.
Click to expand...
Click to collapse
Thanks. I took it to service. I hope they'll repair it.
I finally got my HTC back a few days ago. They changed the motherboard and I had to buy a new battery since the old one was dead and warranty for it was only a year.
But I've faced several unexpected crashes during these few days. I think 3 or maybe 4 times when I took the phone after not using it for couple of hours and tried to unlock it, the phone didn't unlock and instead turned on. I really don't like this, because if my phone turns off whenever it wants, I may be unreachable
Does anyone knows what that means and what should I do if this keeps happening?
shvogrius said:
I finally got my HTC back a few days ago. They changed the motherboard and I had to buy a new battery since the old one was dead and warranty for it was only a year.
But I've faced several unexpected crashes during these few days. I think 3 or maybe 4 times when I took the phone after not using it for couple of hours and tried to unlock it, the phone didn't unlock and instead turned on. I really don't like this, because if my phone turns off whenever it wants, I may be unreachable
Does anyone knows what that means and what should I do if this keeps happening?
Click to expand...
Click to collapse
This happens on stock rom?
MrJyrks said:
This happens on stock rom?
Click to expand...
Click to collapse
Yes, the soft has always been and is stock.
Then it must be a hardware issue. If your warranty has not expired, take it to the warranty service.
MrJyrks said:
Then it must be a hardware issue. If your warranty has not expired, take it to the warranty service.
Click to expand...
Click to collapse
Well as I said I dont want to take it there because it takes about three weeks or more till I get back my phone.. It would be the third time in two months and it really annoys me.
Couldn't this be software issue? I mean I've been reading some similiar threads and I found out that some app might be killing the phone. So I did hard reset yesterday and after that installed only well known essential apps (Google services and some others) and after that the phone didin't crash for almost two days. Unfortunately, it did turned off a few minutes ago. I've installed only 8 Ball Pool and Smart Keyboard Pro recently, so I will try unninstalling them both and let's hope the phone won't crash again. Is there any ideas what else may I do in case it doesn't work?
shvogrius said:
Well as I said I dont want to take it there because it takes about three weeks or more till I get back my phone.. It would be the third time in two months and it really annoys me.
Couldn't this be software issue? I mean I've been reading some similiar threads and I found out that some app might be killing the phone. So I did hard reset yesterday and after that installed only well known essential apps (Google services and some others) and after that the phone didin't crash for almost two days. Unfortunately, it did turned off a few minutes ago. I've installed only 8 Ball Pool and Smart Keyboard Pro recently, so I will try unninstalling them both and let's hope the phone won't crash again. Is there any ideas what else may I do in case it doesn't work?
Click to expand...
Click to collapse
Id recommend doing a factory reset on the phone and not installing any app for at least a week to confirm its not a hardware issue, but I strongly believe it is. If it fails youll have to take it to a sprint store and hope the clerk is in a good mood and give you a new phone the same day.
try a new battery
The battery is new, I had to buy it only a week ago, because the service stated that the old one was dead.

Moto Z update ruined phone

Ok I've had the Moto Z for a while and its a great phone. Or it was until a few weeks ago. In the space of a couple of weeks a few official updates were sent to my phone and thinking nothing of it I updated as requested. The last update has seriously messed the phone up.
Problems since the update:-
- Battery drain now has the phone running out in about 10 hours. This problem seems to be intermittent, the majority of the time it happens and drains the phone quickly but not all of the time and usually its Android OS using between 25-50%. Also safe mode has no effect on the problem.
- Phone speaker stops working. Start the phone up and its working, but after a undetermined amount of time (no more than a hour or so) the speaker no longer works. If I get a call I have to turn on speaker phone to be able to hear anyone. Reset the phone and it works normally, only to happen again soon after.
- Phone charging stops working. Again start the phone and plug in the charger and it works fine. But after its charged, again after a undetermined amount of time, charge no longer works. Plug the charger in and the phone indicates its charging with the little light coming on at the top. But nothing else on the phone indicates its charging and the battery continues to drain. Reset the phone and suddenly it chargers normally. Same thing then happens again given time.
What I've tried to do about it:-
- I've tried running in safe mode, which makes no difference
- I've tried a full reset, which makes no difference
- I even unlocked the bootloader and installed a custom OS (Lineage). Thinking that obviously this will wipe out the new update from Lenovo and the phone would have to work properly again. But no, nothing changes, somehow Lenovo have done something beneath the OS that's causing these problems.
The question:-
Does anyone have any idea what could be causing this or have you at least seen these issues before?
I fail to gasp what is the purpose of the topic and I don't see a question.... If you're looking for compassion, I think the internet is the wrong place.
If you're sure that the problems is the updates, downgrade to the latest version that worked well for you. Since you've already unlocked the bootloader, try any of the variety of roms available here to verify you don't have a hardware problem.
apocalypse_bg said:
I fail to gasp what is the purpose of the topic and I don't see a question.... If you're looking for compassion, I think the internet is the wrong place.
Click to expand...
Click to collapse
The point of my post is obvious, I've got a issue with my phone and want to know if anyone has seen this issue with the Moto Z before and if they have any idea what may fix it. The question is right there near the end:
"Does anyone have any idea what could be causing this or have you at least seen these issues before?"
Click to expand...
Click to collapse
apocalypse_bg said:
If you're sure that the problems is the updates, downgrade to the latest version that worked well for you. Since you've already unlocked the bootloader, try any of the variety of roms available here to verify you don't have a hardware problem.
Click to expand...
Click to collapse
I've tried a different ROM:
- I even unlocked the bootloader and installed a custom OS (Lineage).
Click to expand...
Click to collapse
Honestly don't know how my post was unclear at all, but I've gone and tried to make it even more clear with a quick edit, hope that helps.
I have exactly the same problem. For me it occurred after updating to nougat. So fare I tried nearly everything. Disabling nearly everything to the bare minimum, custom ROMs, resetting, trying to flash only parts of the Android 6 firmware (modem, Bluetooth, DSP) since a complete downgrade is not possible, using all kinds of battery tools with a rooted device, using custom kernels... I always ended up with a constant battery drain of 3 to 8 percent per hour no matter what I did. Same in flight modus. Since under Android 6 the device didn't show this behavior I think that the problem must be somewhere in the firmware beneath the OS level. An the cruel thing is that sometimes without a reason for maybe an hour or two my moto z doesn't drain an works fine so that I do not believe in a hardware problem.
Thanks for the post. Yeah it seems like something has been changed underneath the OS. I know that sometimes memory config gets changed with newer Android operating systems (at least I think so?), but could that cause all these problems?
BTW, do you have all three of the problems I mentioned? Battery drain, sound stops working and charging stops working?
Since in this condition the Moto z is not really usable for me I switched back to my old phone and I am not using it that much as a daily device, I cannot really tell about sound or charging problems. So far I did not notice those problems.
DonnieDio said:
Problems since the update:-
- Battery drain now has the phone running out in about 10 hours. This problem seems to be intermittent, the majority of the time it happens and drains the phone quickly but not all of the time and usually its Android OS using between 25-50%. Also safe mode has no effect on the problem.
Click to expand...
Click to collapse
I feel like battery life is a bit worse than with M, but I didn't experience anything as bad as you did. I switched to a custom ROM after updating to 7.0.1
DonnieDio said:
- Phone speaker stops working. Start the phone up and its working, but after a undetermined amount of time (no more than a hour or so) the speaker no longer works. If I get a call I have to turn on speaker phone to be able to hear anyone. Reset the phone and it works normally, only to happen again soon after.
- Phone charging stops working. Again start the phone and plug in the charger and it works fine. But after its charged, again after a undetermined amount of time, charge no longer works. Plug the charger in and the phone indicates its charging with the little light coming on at the top. But nothing else on the phone indicates its charging and the battery continues to drain. Reset the phone and suddenly it chargers normally. Same thing then happens again given time.
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None of the above ever happended to me
StarStorm said:
I feel like battery life is a bit worse than with M, but I didn't experience anything as bad as you did. I switched to a custom ROM after updating to 7.0.1
None of the above ever happended to me
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I've never seen anything like it before. Its so random as well. I mean yesterday I rebooted and then charged the phone before I left for Football at 4pm. At about 11pm that night I heard the battery low sound (45% of the battery had be used by Android OS..). First thing I thought of was that usually the phone wouldn't still be making sounds by now. Since as I said earlier usually the speaker stops working along with charging within a hour or so of a reboot and this had been over 7 hours without a reboot. So I tried plugging it in and it started to charge. But then when I woke up this morning again the sound was disabled and it won't charge, it just took longer for the problem to occur this time..
How can we stop asking to update to this patch?
I has already disabled this on the developer preferences but still asking every 10 minutes
Any suggest please
Mine even worst. Battery drain fast and mobile away very warm. It suddenly reboot and shown low battery. Battery drain from 50 to 3 percent in a second! Have you guy come across this?
doug107hk said:
Mine even worst. Battery drain fast and mobile away very warm. It suddenly reboot and shown low battery. Battery drain from 50 to 3 percent in a second! Have you guy come across this?
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Yep I've also had that as part of my problem, though it had only happened a few times over the course of the month so I forgot about it with all the other problems I mentioned going on.
Basically my phone would be sitting on, say 40%, and after a reboot it would start up in the single digits.
I recently tried changing to a custom kernel to see if maybe that was causing the problem (I'd already tried changing OS). But all the problems are still there using the new kernel. Think my next step should be to try to go back to a 7.0 Android version. Are there any custom Android ROMs using 7.0?
It is said that the Motorola Manager can rescuer lost data even if the data has been covered on phone , is it true ?
Just curious what came of this. My Z, unrooted, has started running crazy hot and the battery life is not good. 6-10 hours. When I connect it to my Anker PowerDrive 2 in the car, the battery actually discharges faster or I get the slow charge warning.
Hi I have exactly the same problems as the op and tried resetting to no avail.Its driving me nuts.
Short update about the massive battery drain problem: like I wrote above, in the past weeks I tried everything from custom kernels to custom roms, resetting, deleting and so on. Nothing helped. So I went back to stock and didn't use the phone the last weeks. Today I read in an other thread about bluetooth problems that a fix for the not working bluetooth was to activate flight mode, restart the phone and deactivate flight mode. So I activated flight mode, pressed the power button for 10 seconds or so until the phone restarted an deactivated flight mode. And now the absolute strangest thing happened: for the last 5 hours the phone lost 0% battery in standby with wifi and lte on. Since I did all the mentioned things above without any effect I do not understand this at all but right now I think that this could be a (temporally) fix also for the battery drain problem.

Weird battery/crashing issue

My phone has developed a strange problem in the last week or so. Basically, it crashes randomly. Turns completely off, and when I try to turn it on again, it assures me the battery is dead by flashing the empty battery symbol. The problem is, the battery is not dead at all. This has happened at charge levels of ~30% up to almost 60%.
When I plug the phone into a charger, it suddenly shows that it's back at the original 57% or whatever and charges, turns on, and operates normally. It's like plugging it in "reminds" it that everything's okay.
Slightly before this, it also developed a problem where all my widgets often disappear after any dead battery shutdown, but this doesn't happen every time.
It's a factory unlocked E5823 on AT&T, currently on Android version 7.1.1. Some Googling around revealed people having a lot of problems with it in July, but I don't even remember when I got that update. It was definitely a while before this issue started, and other people's issues don't sound like mine. The change that most closely coincides with the onset of this problem is me installing Animal Crossing Pocket Camp. I'm not sure how that would mess with the basic operation of my phone, however.
Thoughts? If the battery was just dying, it would actually drain charge, not falsely crash the phone while really full of juice, I thought, but am I wrong? I haven't felt the need to root this phone, but I'm not at all opposed, either, if it'll help. Should I root it and reset batterystats, see if that helps?
ManiacalShen said:
My phone has developed a strange problem in the last week or so. Basically, it crashes randomly. Turns completely off, and when I try to turn it on again, it assures me the battery is dead by flashing the empty battery symbol. The problem is, the battery is not dead at all. This has happened at charge levels of ~30% up to almost 60%.
When I plug the phone into a charger, it suddenly shows that it's back at the original 57% or whatever and charges, turns on, and operates normally. It's like plugging it in "reminds" it that everything's okay.
Slightly before this, it also developed a problem where all my widgets often disappear after any dead battery shutdown, but this doesn't happen every time.
It's a factory unlocked E5823 on AT&T, currently on Android version 7.1.1. Some Googling around revealed people having a lot of problems with it in July, but I don't even remember when I got that update. It was definitely a while before this issue started, and other people's issues don't sound like mine. The change that most closely coincides with the onset of this problem is me installing Animal Crossing Pocket Camp. I'm not sure how that would mess with the basic operation of my phone, however.
Thoughts? If the battery was just dying, it would actually drain charge, not falsely crash the phone while really full of juice, I thought, but am I wrong? I haven't felt the need to root this phone, but I'm not at all opposed, either, if it'll help. Should I root it and reset batterystats, see if that helps?
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--yep mine too. I'm thinking it has to do with the heaying problem. Mine crashes and dies when there are many apps running/ wifi on with downloads while watching youtube., etc. another is when I recprd videos at 4k pr 720p for about 8-10 mins. My phone heats up real hard. I'll try resetting it and hopefully this fixes it. ps. Haven't done anything to my z5c yet. no unlocked bootloader, no root.,etc.
Same problem
I had the same problem
Device have charge (50,60,70 or more), show 0% and turn off.
Hardware problem maybe ???
any solution found?
hi,
I know it's been a long time you posted this but I'm currently facing that exact same problem.
Could you find any solution in the end?
Thanks
ManiacalShen said:
My phone has developed a strange problem in the last week or so. Basically, it crashes randomly. Turns completely off, and when I try to turn it on again, it assures me the battery is dead by flashing the empty battery symbol. The problem is, the battery is not dead at all. This has happened at charge levels of ~30% up to almost 60%.
When I plug the phone into a charger, it suddenly shows that it's back at the original 57% or whatever and charges, turns on, and operates normally. It's like plugging it in "reminds" it that everything's okay.
Slightly before this, it also developed a problem where all my widgets often disappear after any dead battery shutdown, but this doesn't happen every time.
It's a factory unlocked E5823 on AT&T, currently on Android version 7.1.1. Some Googling around revealed people having a lot of problems with it in July, but I don't even remember when I got that update. It was definitely a while before this issue started, and other people's issues don't sound like mine. The change that most closely coincides with the onset of this problem is me installing Animal Crossing Pocket Camp. I'm not sure how that would mess with the basic operation of my phone, however.
Thoughts? If the battery was just dying, it would actually drain charge, not falsely crash the phone while really full of juice, I thought, but am I wrong? I haven't felt the need to root this phone, but I'm not at all opposed, either, if it'll help. Should I root it and reset batterystats, see if that helps?
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Click to collapse
It looks like your battery is just dying. This was a common issue with Nexus 6p and other phones.
Resetting batterystats won't help... it doesen't have anything to do with it

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