Galaxy TAB S7 airplane mode battery drain - Samsung Galaxy Tab S7 / S7 Plus Questions & Answer

My TAB S7 gets left in airplane mode when I'm not using it and yet the battery drains 40% in a week with zero use. I have all but my essential apps in deep sleep. What gives?
My Huawei tablet loses 10% a week in airplane mode.

Maybe just plug it in?

Related

2.1 users what is your Time without a signal %"

Just curious what you are seeing under "Time without a signal %" which you find under Settings - About phone - Battery - Battery Use - Cell standby.
I have a Hero that is rooted and running 2.1 and showing 50%.
Thanks
%5. It was %70 before I did the charge in airplane mode trick.
I did the airplane thing too but mines at 0
33% for me. Did airplane mode trick and haven't had a restart since then.
50% here on rooted 2.1 as well.
What's this battery airplane mode trick?
31% after leaving the phone plugged in an not touching it overnight. Up time 68:49:32 and Awake time 16:41:50 if you need that too, as there's been issues of 100% awake time as well. Of course I've done the airplane trick before, and after a restart, it was back to 100%. Then found out that Meebo was the cause, as it was keeping the phone awake connected to all my IM accounts. Turned it off, and no more 100% awake time, and no more problems.
hoban_eris said:
50% here on rooted 2.1 as well.
What's this battery airplane mode trick?
Click to expand...
Click to collapse
So i have found one solution thanks to a thread over at another site....
Seems as if there is some sort of bug with with Cell standby that causes the phone to lose signal which in turns just kills the battery. To verify that your set has the problem, check the Cell standby info in the Battery Use info. If the Time without a signal is higher than 0% (50% seems to be the norm) than you have a problem.
One solution, at the moment, is to follow these steps:
1. Plug in phone charger
2. Put phone in Airplane mode
3. Put phone to sleep for a minute
4. Turn off airplane mode
5. Unplug phone
I can confirm that this works and my Time without a signal is at 0% for over 9 hours now. The battery life is MUCH better and the phone didn't die on me last night while i was sleeping.
theGross1 said:
So i have found one solution thanks to a thread over at another site....
Seems as if there is some sort of bug with with Cell standby that causes the phone to lose signal which in turns just kills the battery. To verify that your set has the problem, check the Cell standby info in the Battery Use info. If the Time without a signal is higher than 0% (50% seems to be the norm) than you have a problem.
One solution, at the moment, is to follow these steps:
1. Plug in phone charger
2. Put phone in Airplane mode
3. Put phone to sleep for a minute
4. Turn off airplane mode
5. Unplug phone
I can confirm that this works and my Time without a signal is at 0% for over 9 hours now. The battery life is MUCH better and the phone didn't die on me last night while i was sleeping.
Click to expand...
Click to collapse
I also just figured this out yesterday afternoon for my phone. Was going to post it this morning. Thanks.
hoban_eris said:
50% here on rooted 2.1 as well.
What's this battery airplane mode trick?
Click to expand...
Click to collapse
I am at 15% after airplane trick...My awake time is 78 hrs and some change so i think its pretty accurate. let the phone battery drain down and then put into airplane mode. Do a full charge and restart phone...then turn airplane mode off.
50%, geeze... doing airplane trick
After implementing the "airplane mode" method, it says my time without signal is 0%.
my show cell standby 12% android system 58% is this normal
yes another.
Is it necessary to drain the battery and do the "fix" or exactly as the quoted text states? I have tried, and my signal strength is a dot and the standby after is now at 23% from 17% right after, is it going to climb from lack of use or is this not resolved?
Your help is appreciated.
I have found that doing the Airplane mode on, sleep, then Airplane mode off will work without having to connect to a charge. The only thing the charge seems to do is reset the cell standby number. This makes sense since the percentage is based on when the phone was last connected.
What will happen is your percent number will keep going down after the "fix" which is what you want. If having a number really bugs you then add the connct in there.
My time without signal was at 50%. After doing the "no connect" it is showing 13% after 3 hours. it was 28% an hour ago.
Ok thats what I was thinking it was, on a bit of a side note, I no longer go to a lock screen when I press the Power button, i went ahead and set the display to something like 30sec but what just happened?
Works for me
I tried this and it works for me. At most i have 5% and by an hour later its at 0%. Thanks for the tip.
Rooted, running 2.1 rom v0.5.4
23% for me.
I had 50% also but had not really noticed any worse battery life.
Just so it's clear,
the airplane trick needs to be done EVERY boot.
If you restart your phone, you have to do it again. Every time.
Is this bug a result of flashing a specific rom or leak, or is it because of a specific radio?

[Q] % battery discharge

Hi guys, will need your help.
would love to get your input in your battery discharge overnight when the prime is not in use. i noticed that my prime drops about 10% overnight. i highly doubt this is normal.
my ipad 2 drops about 1% in a day if not used...
also i noticed that when docked, the dock drops about 2% a day and thats even if my prime is fully charged and not in use.
your input would be appreciated.
The last time I checked this -- on the .13 release -- mine drops 1-2% overnight. However, I'm very conservative on power usage and do things like turn off the Wifi when I am not going to be directly using it. I don't have Bluetooth on either and have all apps set to sync manually as far as is possible.
Mine dropped about 2% last night, with Wifi on, Bluetooth off, and apps set to auto-update.
Mine drops 1-2% an hour when idle and docked with wifi off and power savings mode. When it's not docked the battery is much better in idle. When wifi is on the battery idle sucks

Charging experience

This is my third charging process I installed the dock clock to run instead of Crackle. Put on the cradle to get charge and in the morning the tab was at 64% only ????? The first charge the tab stop at 98% the second 100% but know it seem to have trouble charging I am trying with the tab power to off. ???????
after charging half hour with the tab close and charging the charge pourcentage is at 67%
stamina mode?
MikeViller said:
after charging half hour with the tab close and charging the charge pourcentage is at 67%
Click to expand...
Click to collapse
This suggestion does not completely address your issues, but have you tried stamina mode? This will sleep certain functions will the XTZ is not in use.
Also on my Galaxy Note phone I've noticed that the battery drains quickly if my wifi router is acting up (which led to my replacing the router).
I'm always in Stamina mode the thing is about charging the tab it stop when it reach 68% over night. I am draining the batt until the tab stop and recharge it........
MikeViller said:
I'm always in Stamina mode the thing is about charging the tab it stop when it reach 68% over night. I am draining the batt until the tab stop and recharge it........
Click to expand...
Click to collapse
The problem is the tablet need to be fit neatly with the cradle, i had ur problem once and realized that when i out it in bed and touch it unintentionally, the tablet displaced and will not be charged
I will be looking for that I am recharging it after a full discharge. The red led is on. This red led was on before also when the tab stop at 64%. so will see
finally got thing in order the tab in the charging cradle charge 7.5% per hour, in two hours the tab was at 15% and that's the tab turned off, turning the tap on and turning the wifi off after one more hour the tap is at 21% ..... My 68% in 12 hour can only be attribute to the dock clock app (that I removed) that was starting when in dock mode. Compare to me Galaxy S2 this is very slow charging time.......
more on charging
I decided to try my galaxy s2 charger and cable and I get 17% per hour of charge so in less than 6 hour the tab should be charge 100%
in 3 hour I got from 37% to 88%......
I did 8% with Sony charger and usb......
next to try the cradle with the galaxy s2 charger.....
I just did this test my Galaxy S2 charger with the Sony cradle and it charge at 17% per hour the same as directly to the usb port.

[Q] extrem battery draining

Hi! I have a Galaxy S6 edge for a few weeks and I am disappointed in the battery life. It drained from 100% to 65% in the ultra power saving mode with turned off screen and disabled any network conntections within 5 hours! I really dont know what to do... I use Clean Master and Greenify and deactivated most of the services running in background and I didnt get any solutions. Please help!
the battery drainage could be due to the fact you use CM and greenify…
if I'm on 100% and I turn on ultra mode i get over a days use.. what do you have running in the background?
Hi, I had the same problem.
What made it better for me: I cleaned the cache and used phone till 0% till it shut downed and then let it charged overnight.
Today is first day and at the moment i have had 2% battery drain per hours on idle, 4G turned on.
Kur0ya said:
the battery drainage could be due to the fact you use CM and greenify…
if I'm on 100% and I turn on ultra mode i get over a days use.. what do you have running in the background?
Click to expand...
Click to collapse
I am just using WhatsApp Facebook etc... there are not special apps that could extremely drain my battery running in background. I factory reseted my phone and will activate the ultra power saving mode this night to and I will see. Thanks for replies.

S6 edge battery drain on idle (android os battery drain)

i recently purchased an s6 edge and updated it to 5.1.1 as soon as i got it.however i went to sleep on 100 percent and woke up to about 20 percent which is a massive drain in battery..the battery stats show ADROID OS on top of the list which is keeping the CUP active all the times and not letting the phone go in to sleep..i tried a factory reset but it did not fix the issue. i disabled most of the bloatware that did not fix the issue either..then i noticed that when i remove the sim card from my phone my phone goes in to deep sleep and battery life comes back to normal however when i plug in the sim card the phone can not go in to deep sleep again..any possible solutions?
I figured it out..the issue was with with my sim card for some reason..the phone would be fine on idle without my sim card but with the sim card it drained battery..i tried another sim card on it and the issue got fixed right away.
I have an s6 edge tmobile being used in a different country and it drains 90% battery over night i have disabled all the bloatware and battery consuming apps . I have tried keeping my phone on airplane mode and greenify with root ive tried the locatuon method on youtube yet drain is the same . Only if i power off the phone at night its battery remains same . Also i have tried ultra power saving mode but nothing works . Battery stats show device idle and display on top but all the remaining app dont show any abnormal battery usage . And the phone works normal if i use it continuosly even then i get 3-4 hours with heavey usage . The only problem is when the phone is at idle it starts consuming abnormal amounts of battery . Any solution ?

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