z2 problem freezes and restarting - Xperia Z2 Q&A, Help & Troubleshooting

hi friends
i have problem with my sony xperia z2.
i phone frequently freezes and restarting.
i restore and re flash but nothing change ,after re flash it ok for one or two week, that if i install any application, freezing and restarting becomes.
i re flush with my android version is marshmallow with root access , still freezes and restarting.
please help me

aliwishstar said:
hi friends
i have problem with my sony xperia z2.
i phone frequently freezes and restarting.
i restore and re flash but nothing change ,after re flash it ok for one or two week, that if i install any application, freezing and restarting becomes.
i re flush with my android version is marshmallow with root access , still freezes and restarting.
please help me
Click to expand...
Click to collapse
I too had the same problem. and I found the solution. sat down to format the memory card or change the

aliwishstar said:
hi friends
i have problem with my sony xperia z2.
i phone frequently freezes and restarting.
i restore and re flash but nothing change ,after re flash it ok for one or two week, that if i install any application, freezing and restarting becomes.
i re flush with my android version is marshmallow with root access , still freezes and restarting.
please help me
Click to expand...
Click to collapse
Me too and still not find solution.
habib13 said:
I too had the same problem. and I found the solution. sat down to format the memory card or change the
Click to expand...
Click to collapse
more spesific please? thank you

habib13 said:
I too had the same problem. and I found the solution. sat down to format the memory card or change the
Click to expand...
Click to collapse
or change what?more specific please?

in log cat i get this error
qcom powerhal failed to acquire lock.
what is this error how can if fix this ?

Related

[Q] Sony Ericsson Live with Walkman(wt19i) restarting problem

my LWW turned off when a application download. After when power on restarting repeatedly. It not happen when without sim card. PLEASE HELP ME!!!
rajitha455 said:
my LWW turned off when a application download. After when power on restarting repeatedly. It not happen when without sim card. PLEASE HELP ME!!!
Click to expand...
Click to collapse
Did you download the application from playstore or any other site (could be a virus)?
A factory reset should solve the problem. But if you have root, backup your data first :good:
mihahn said:
Did you download the application from playstore or any other site (could be a virus)?
A factory reset should solve the problem. But if you have root, backup your data first :good:
Click to expand...
Click to collapse
i did it. but problem keeping. it only happen when SIM card entered. specially in 3G coverage. now i use my phone for only gaming and music (without SIM).
rajitha455 said:
i did it. but problem keeping. it only happen when SIM card entered. specially in 3G coverage. now i use my phone for only gaming and music (without SIM).
Click to expand...
Click to collapse
If your bootloader is locked and you still have your warranty, send it to sony and they should fix it for you
mihahn said:
If your bootloader is locked and you still have your warranty, send it to sony and they should fix it for you
Click to expand...
Click to collapse
how much time sony warrant??
1 Year
rajitha455 said:
how much time sony warrant??
Click to expand...
Click to collapse
Depends on the country I guess. I think I had 2 years (not sure). But you could just write an email to the sony support with your IMEI and the date when you bought your phone. They should be able to tell you if you're still under warranty
rajitha455 said:
my LWW turned off when a application download. After when power on restarting repeatedly. It not happen when without sim card. PLEASE HELP ME!!!
Click to expand...
Click to collapse
Flash it...dont restore ny data from ur backup
Sent from my wt19i using xda premium
Rebooting issue is resolved for me
Hi,
Actually after updating my phone (SE Live with Walkman) to ICS, once I switch my Bluetooth on, my phone gets restarted again and again.
I was searching for the solutions everywhere in the world..))
But finally I realize that i'm having a small delay in next restart of my phone.
So, in that time I quickly went to Settings and turned my Bluetooth Off. Now it's working fine.
And I decided not to use my Bluetooth anymore... (till the time I reach Sony Ericsson mobile service center)
Hope you also may have a chance to resolve the issue. (Temporarily at least)
vmatheshwaran said:
Hi,
Actually after updating my phone (SE Live with Walkman) to ICS, once I switch my Bluetooth on, my phone gets restarted again and again.
I was searching for the solutions everywhere in the world..))
But finally I realize that i'm having a small delay in next restart of my phone.
So, in that time I quickly went to Settings and turned my Bluetooth Off. Now it's working fine.
And I decided not to use my Bluetooth anymore... (till the time I reach Sony Ericsson mobile service center)
Hope you also may have a chance to resolve the issue. (Temporarily at least)
Click to expand...
Click to collapse
Hey , Your Xperia phone without Bluetooth is very Bad !
Try to flash your stock .ftf ROM again after full wiping , every thing should work fine :angel:
Facing the same problem PLEASE HELP..!!!!
vmatheshwaran said:
Hi,
Actually after updating my phone (SE Live with Walkman) to ICS, once I switch my Bluetooth on, my phone gets restarted again and again.
I was searching for the solutions everywhere in the world..))
But finally I realize that i'm having a small delay in next restart of my phone.
So, in that time I quickly went to Settings and turned my Bluetooth Off. Now it's working fine.
And I decided not to use my Bluetooth anymore... (till the time I reach Sony Ericsson mobile service center)
Hope you also may have a chance to resolve the issue. (Temporarily at least)
Click to expand...
Click to collapse
But Brother How to go till the settings option ...????
My cell is getting restart again and again in no time... please suggest me some solution by which my contacts and other data wont get lost...
---------- Post added at 06:32 PM ---------- Previous post was at 06:23 PM ----------
How to go till the settings option ...????
My cell is getting restart again and again in no time...
please suggest me some solution by which my contacts and other data wont get lost...
I tried pressing my power button n volume rocker lower butten pressing tog. fr 20seconds but even that is not working...
P.S and Help
rajitha455 said:
my LWW turned off when a application download. After when power on restarting repeatedly. It not happen when without sim card. PLEASE HELP ME!!!
Click to expand...
Click to collapse
try starting without sd card
Kme001 said:
But Brother How to go till the settings option ...????
My cell is getting restart again and again in no time... please suggest me some solution by which my contacts and other data wont get lost...
---------- Post added at 06:32 PM ---------- Previous post was at 06:23 PM ----------
How to go till the settings option ...????
My cell is getting restart again and again in no time...
please suggest me some solution by which my contacts and other data wont get lost...
I tried pressing my power button n volume rocker lower butten pressing tog. fr 20seconds but even that is not working...
P.S and Help
Click to expand...
Click to collapse
This happened to me Once, had to Flash the Stock ICS once again to get my phone working.... :crying:
try flashing Stock Ics rom again , it'll work , but you'll lose all ur contacts and Data .......
Tell me how to root..
Xperia~Man said:
Hey , Your Xperia phone without Bluetooth is very Bad !
Try to flash your stock .ftf ROM again after full wiping , every thing should work fine :angel:
Click to expand...
Click to collapse
I have mistakenly switched on Bluetooth again. So, the problem starts.
This time I can't even see my HomeScreen to off the bluetooth..
When I'm trying to root my Phone using the below list of process.. I'm facing issue since my USB Debugging is Off
forum.xda-developers.com/showthread.php?t=1695514
Please help me how to Root my Mobile..
vmatheshwaran said:
I have mistakenly switched on Bluetooth again. So, the problem starts.
This time I can't even see my HomeScreen to off the bluetooth..
When I'm trying to root my Phone using the below list of process.. I'm facing issue since my USB Debugging is Off
forum.xda-developers.com/showthread.php?t=1695514
Please help me how to Root my Mobile..
Click to expand...
Click to collapse
can u find the IMEI number??
Yes I Found..
rajitha455 said:
can u find the IMEI number??
Click to expand...
Click to collapse
Yes I found, what should I do with that...?
regards,
Matheshwaran V
vmatheshwaran said:
Yes I found, what should I do with that...?
regards,
Matheshwaran V
Click to expand...
Click to collapse
unlock your bootloader at http://unlockbootloader.sonymobile.com/
flash extended stock kernel http://forum.xda-developers.com/showthread.php?t=1694027 via fastboot(for ics only)
you get a rooted device with custom rom
else if you want to have locked bootloader follow this effective guide by mihahn http://forum.xda-developers.com/showthread.php?t=1842366
vmatheshwaran said:
Yes I found, what should I do with that...?
regards,
Matheshwaran V
Click to expand...
Click to collapse
flash a kernel that suite to ur selected ROM (gb, ics or jb)
I prefer Mesa Hybrid kernel for CyanogenMod based roms http://forum.xda-developers.com/showthread.php?t=1715679
u can flash any kernel using flashtool http://forum.xda-developers.com/showthread.php?t=1879982
after flash a kernel, then flash a ROM
HERE is a list roms, kernels and other stuffs: http://forum.xda-developers.com/showthread.php?t=2148684
My Phone is Sony Ericsson Live With Walkman
I Have Also Restart Problem
But Don't How To Go Recovery Mode On Phone
Please Help Me
vmatheshwaran said:
I have mistakenly switched on Bluetooth again. So, the problem starts.
This time I can't even see my HomeScreen to off the bluetooth..
When I'm trying to root my Phone using the below list of process.. I'm facing issue since my USB Debugging is Off
forum.xda-developers.com/showthread.php?t=1695514
Please help me how to Root my Mobile..
Click to expand...
Click to collapse
Remove both sd card and sim. And then try to switch off Bluetooth by dropping notification panel and selecting setting option there. You see the screen doesn't show anything so we have to imagine the setting option and touch the Bluetooth toggle switch. It's all imaginary.. I've done this 4-5 times. But you've to be patient enough.
If still you're unable to understand the process kindly reply with your email. I'll make a video and share it with you all.

[Q] [Urgent] Random reboots after rooting

Hi,
i unlocked my bootloader and rooted my JB xperia p..not the issue im facing is that when i boot up:
1. Takes ALOT of time
2. as soon as i unlock it says process system not responding
3. after i lock and unlock 2-3 times the phone reboots on unlock!
its a very weird thing.. PLEASE help me out!!
EDIT
I also changed the system UI sounds..could that be the reason for this problem?
g.sahny said:
Hi,
i unlocked my bootloader and rooted my JB xperia p..not the issue im facing is that when i boot up:
1. Takes ALOT of time
2. as soon as i unlock it says process system not responding
3. after i lock and unlock 2-3 times the phone reboots on unlock!
its a very weird thing.. PLEASE help me out!!
EDIT
I also changed the system UI sounds..could that be the reason for this problem?
Click to expand...
Click to collapse
reflash stock JB ftf
Ben Ling said:
reflash stock JB ftf
Click to expand...
Click to collapse
The reboots have stopped, turns out the issue was in the permissions of the ui sounds..fixed the permissions and reboots have stopped
BUT! the booting is still slow..and ive noticed that when the phone is plugged into usb then its boots up just fine but when it isnt at times it doesnt even boot!..the boot animation keeps going on and on..its not a boot loop it just keeps booting...something like a tethered boot thing (wild guess!)

Random Restarts (Long story)

Hey guys! This is my first thread here, but I knew this site before. I've got an M4 Aqua E2303, Android 5.0, Build 26.1.A.2.167 (upgraded from .99 with TWRP to keep the root.).
The story : I've got this phone like 4 months ago, I was so happy etc... After it updated to 5.0 it kept restarting randomly. Total random, when it was not under using, if I use it, it does not restart itself. Sometimes the restarts occurs when it's under charging, and sometimes when I want to unlock it and use it, and sometimes total randomly, and sometimes it shuts down. For different verions the problem was different too. On 26.1.A.2.99 it was the worst, it restarded and stuck on the boot screen until reached 0% battery. On 26.1.A.2.128 It turend off the screen, but the phone was running and the LED was red (even when fully charged) and only started with the hard off button in the SD card slot.
I've got the default "Diagnostics" app, now it says that the Phone got system errors 42 times in 10 days. It was worse before (over 140). But it doesn't say why did it restart, I'm hoping for help from any of you, who had this issue and solved it, or someone who knows a better diagnostic tool that will explain what caused the system fault.
I appreciate all the helps!
Have you performed a factory reset? (It will delete all your data and apps)
rp-x1 said:
Have you performed a factory reset? (It will delete all your data and apps)
Click to expand...
Click to collapse
Yes, when the phone was new and the restarts were annoying. It fixed it for 1 day. The next day it was restarting again.
This would point to an app you've installed causing the issue. Factory reset again and install each app one by one until the restarts happen to find out which.
SteveTM said:
Hey guys! This is my first thread here, but I knew this site before. I've got an M4 Aqua E2303, Android 5.0, Build 26.1.A.2.167 (upgraded from .99 with TWRP to keep the root.).
The story : I've got this phone like 4 months ago, I was so happy etc... After it updated to 5.0 it kept restarting randomly. Total random, when it was not under using, if I use it, it does not restart itself. Sometimes the restarts occurs when it's under charging, and sometimes when I want to unlock it and use it, and sometimes total randomly, and sometimes it shuts down. For different verions the problem was different too. On 26.1.A.2.99 it was the worst, it restarded and stuck on the boot screen until reached 0% battery. On 26.1.A.2.128 It turend off the screen, but the phone was running and the LED was red (even when fully charged) and only started with the hard off button in the SD card slot.
I've got the default "Diagnostics" app, now it says that the Phone got system errors 42 times in 10 days. It was worse before (over 140). But it doesn't say why did it restart, I'm hoping for help from any of you, who had this issue and solved it, or someone who knows a better diagnostic tool that will explain what caused the system fault.
I appreciate all the helps!
Click to expand...
Click to collapse
If you used the pre-rooted zip to maintain root while updating to the latest android, this will fix your rebooting problem. Follow this guide:
http://forum.xda-developers.com/m4-aqua/general/guide-fixing-random-gplay-app-install-t3338362
cmstew said:
If you used the pre-rooted zip to maintain root while updating to the latest android, this will fix your rebooting problem. Follow this guide:
http://forum.xda-developers.com/m4-aqua/general/guide-fixing-random-gplay-app-install-t3338362
Click to expand...
Click to collapse
Will try it when I'll have time for it, thanks for the help!

Plz fast help

Hello..
Piece upon you all...
I have a problem it started 3 days ago i was on facebook warch a video but it suddenly tooke to the feed screen like it keeps resetting itself and then start to happen to youtube and other apps tried factory reset but nothing happened any ideas?
ifiras said:
Hello..
Piece upon you all...
I have a problem it started 3 days ago i was on facebook warch a video but it suddenly tooke to the feed screen like it keeps resetting itself and then start to happen to youtube and other apps tried factory reset but nothing happened any ideas?
Click to expand...
Click to collapse
Perhaps you have contracted a nasty virus from the FB video? Do you have any anti-virus or anti-malware app installed?
I did a full wipe and factory reset
ifiras said:
I did a full wipe and factory reset
Click to expand...
Click to collapse
If the problem still continues after doing this, then there are one of two possibilities:
1. There are still hidden things lurking around. In this case you will need to "format data" (i.e., format the data partition). You will lose all the contents of your internal SD - but you would also get rid of the problem.
2. You have a hardware problem. In this case, you will need to claim on the warranty, or return the phone.
Okey what u mean by formating the data partion
Please Update software....all problem solved automatically..
Please Update software....all problem solved automatically..
As you open setting>system update>corner option>choose update package>ok
Than flash zip file.
And all problem solved automatically..
[email protected] said:
Please Update software....all problem solved automatically..
As you open setting>system update>corner option>choose update package>ok
Than flash zip file.
And all problem solved automatically..
Click to expand...
Click to collapse
Thamk you for the help but the probpem was that the **** cracked sim in the phone cuzing problem s idon't how that happenes
Flash stock firmware and flash it .Fixed !!!
Download from miui site /go to updater app /choose a package / flash it .

Weird Behaviour with Poco F1

I'm running miui 10.2.3.0 non-root LB. Following has been happening even after multiple times even after clean stock ROM installation:
-My apps keeps crashing , closing for no reason at all.
-I'm using my phone & suddenly the screen goes black for a few seconds, network goes away then comes back to normal. This happens 2-3 times a day.
- I'm unable to update to the latest miui with OTA, after I install the OTA, it says OTA update failed installation. I tried multiple times then I have to reinstall stock ROM.
Can someone help me out to figure to the issue?
UPDATE: My motherboard was the issue. It has been replaced now & now the phone is working great!
Sammy612 said:
I'm running miui 10.2.3.0 non-root LB. Following has been happening even after multiple times even after clean stock ROM installation:
-My apps keeps crashing , closing for no reason at all.
-I'm using my phone & suddenly the screen goes black for a few seconds, network goes away then comes back to normal. This happens 2-3 times a day.
- I'm unable to update to the latest miui with OTA, after I install the OTA, it says OTA update failed installation. I tried multiple times then I have to reinstall stock ROM.
Can someone help me out to figure to the issue?
Click to expand...
Click to collapse
Hard reset your phone
If that doesn't work then flash latest rom after clearing all data
CluelessO.o said:
Hard reset your phone
If that doesn't work then flash latest rom after clearing all data
Click to expand...
Click to collapse
I clearly wrote in the first line that I have installed the stock ROM multiple times. The main behaviour happening everytime is the black screen issue. Hard reset might fix the app crashing.
Sammy612 said:
I clearly wrote in the first line that I have installed the stock ROM multiple times. The main behaviour happening everytime is the black screen issue. Hard reset might fix the app crashing.
Click to expand...
Click to collapse
Go to service centre then i guess. Thats the last hope it might be hardware issue
I also have the same problem with my poco f1 (miui 10.3.4). Can't update to miui 10.3.5 and all the apps including stock apps keep crashing. I also have a problem with rebooting,evertime i try to reboot phone shuts down. Have you found any solution yet?
Zubairhussain said:
I also have the same problem with my poco f1 (miui 10.3.4). Can't update to miui 10.3.5 and all the apps including stock apps keep crashing. I also have a problem with rebooting,evertime i try to reboot phone shuts down. Have you found any solution yet?
Click to expand...
Click to collapse
My phone's motherboard was the issue. It was replaced, now the phone is working great!
Try factory resetting , if that doesnt help install stock rom again. If nothing works go to service center.
Moderators please close this thread
am on the latest version the problem am facing is the call ain't connecting at all!

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