Battery Drain on Tab Pro - Galaxy Tab Pro 12.2, 10.1, 8.4 Q&A, Help & Trouble

Hey! I am back again.....looks like I have a lot problems......anyway,
I have a Massive battery prob....
So I brought my device badk to firmware after a lot of abusing of my device......but then,this happened (i changed to a different rom to stop the same battery problem but it wasnt any good) its not wakelock, like when the device is locked, no battery is wasted but when the screen is turned on and i do light activities like google translate, youtube, it drains SUPER FAST! Like for watching a 10 min video on youtube, it took away 3% of battery! I have also enabled power saving, have kind of a decent brightness and the wifi sleep thingybis set to never keep on. So I really need help with that.
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Do you use 2.4Ghz wifi or 5Ghz??
I had rootet mine to 5.1 and 6.0 and had put it on 5ghz, and it drained pretty fast
Now im back on stock and battery is pretty damn good

Bitness78 said:
Do you use 2.4Ghz wifi or 5Ghz??
I had rootet mine to 5.1 and 6.0 and had put it on 5ghz, and it drained pretty fast
Now im back on stock and battery is pretty damn good
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I checked and it says I use 2.4.....

Hmm, i guess you have checket others battery drain apps etc, i dont use facebook and messenger on mine..
You can try a full reset on it sometimes that helps. (Iknow it sucks to set it up again)

Bitness78 said:
Hmm, i guess you have checket others battery drain apps etc, i dont use facebook and messenger on mine..
You can try a full reset on it sometimes that helps. (Iknow it sucks to set it up again)
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No nothing like that....
And plus I just flashed it back to stock a few days ago and did a factory reset then.....

Ok, you could try root it again and try find the best battery calibration tools around, then im out of suggestions for now

Related

Does this battery life look normal?

I think something is draining my battery, but I haven't downloaded anything thay could be draining it? Also my GPS iconnis stuck to on, even after rebooting and doong a battery pull...
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Found the problem. Had an app that had air push, removed it and the GPS icon went away, which is what I think was killing the battery...
I found the battery to drain hugely with wifi set to be on at all times, I've set mine to switch wifi off when locked and I'm at 63% and over 8 hrs up time
Wifi has never been an issue for me.. I'm on wifi 99% of the time...
GPS, Auto Sync, and Bluetooth are huge killers for me. If you don't use them too often I recommend leaving them off. Also staying on HSPA+ instead of LTE when your phone is idle is better as well.
nope definately not normal. try maybe disabling some radios, like bluetooth and gps when not in use, and try disabling some notifications like gmail, facebook...unless u want them. they seem to be big battery drainers. or its prolly just a bug..try restarting
DarthDerron said:
GPS, Auto Sync, and Bluetooth are huge killers for me. If you don't use them too often I recommend leaving them off. Also staying on HSPA+ instead of LTE when your phone is idle is better as well.
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Can we set the data switching using Tasker?
metaldood said:
Can we set the data switching using Tasker?
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I could be wrong but I think the only switching data modes is by temporarily removing he SIM, dialling the code to put the phone in service mode, selecting the data mode you want, but then won't take effect until you reboot...
If that's the case, I would say no because of having to remove the SIM...
As stated in post 2, I found the problem.
Please read forum rules before posting
Questions go in Q&A
Thread moved
FNM
How do you make the phone to go on hsdpa on idle instead of lte.... ?

Google + is eating all my battery since 4.2.1 update...

Hey just thought I'd post this here and see if anyone else is having similar problems. I updated to the latest firmware a few weeks ago and ever since then my phone is dead after only 6ish hours with pretty average use in between. My battery stats are pointing towards the Google plus app as being the culprit so I force close it but it obviously keeps restarting.
Before the update I was able to go over a day before it would go completely flat.
Here's a screen grab of my battery stats, anyone have any ideas on what I can do to sort this out?
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Oh and I forgot to mention, the phone is completely stock unrooted, locked boot loader etc.
Cheers.
Maybe try and uninstall updates to Google+ and reinstall. I had a problem after updating to 4.2.1 where Google+ kept syncing and it was solved this way.
Edit: Forgot to mention, my phone is stock with unlocked bootloader.
Cheers, I'll give that a go and see how it works out.
I just took my phone off the charger not long ago. Will post another screenshot when it's been on battery for a while, should give you a better idea of reasonable ratios.
Worst comes to worst, wipe everything (including SD) and start over. You could have some spooky ghost files and some cobwebs all up in your GNex!
My 4.2 Experience
i have been trying several 4.2 roms and with all of them i was getting the worst battery and also a very strange bug or at least i think it was a bug :silly: since i was using my phone normally and then all of the sudden the screen goes black but the phone still funtional it wasnt a SOD for example i was playing a game and then boom black and the sound vibration and everything all was keep on working i the end i decided to go back to CNA
Took another screenshot. I haven't used my phone so much today, but what you're seeing, OP, is definitely not normal.
I uninstalled Extended Controls. Battery stats for the app was ridiculous if the system app showed correctly. If I'm lucky I'll notice improved battery life now

Wakelock, better battery help

So I feel like since I rooted my phone and installed nova my batter drains more...and I'm really new to all this stuff and I don't understand what any of this means:
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is this good or bad... It says it's awake 88% and only 12% deep sleep. If someone explains to me I'll be thank full
WendyB87 said:
So I feel like since I rooted my phone and installed nova my batter drains more...and I'm really new to all this stuff and I don't understand what any of this means:
View attachment 2871684View attachment 2871685View attachment 2871686 is this good or bad... It says it's awake 88% and only 12% deep sleep. If someone explains to me I'll be thank full
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That's not normal. Whatever wakelock is keeping it awake is not captured in your WLD screenshot. Track it down in better battery stats instead, using "partial wakelocks"
Thank you...that's what I thought... I don't know what happened...so I went into partial wakelocks and everything looks like low %... But kernel wakelocks there was a lot of high percentages...
First thing that sticks out is drop box. It shouldnt be running for that long. Did you turn on auto backup? This will cause huge drains. If turned on turn it off. Also check in service running for 21 minutes... Turn off your gps. This is Google now constantly running and locating you to try and provide you with what it thinks is useful cards (weather, traffic, food in your area) I only then on my gps when I'm gonna use navigation. Otherwise all apps with gps access will start to run and kill your battery. Also I suggest greenify. It'll help a lot with things like Facebook, Twitter, Google search, ect. Wakelocks. Also removing or freezing bloatware helps tremendously with battery drain. And last carrier iq. Something that always runs in the background. Google search it or read up in the battery threads here on XDA. They talk about it a lot and how to try and stop it. Also this thread
http://forum.xda-developers.com/showthread.php?t=2816353
although for the SGS5 it can be applied to our device as well
Sent from my LG-D850 using XDA Premium 4 mobile app
also your font looks distorted, i would return the phone! ?

Phone jumping from 50% to 5%. How do I fix this?

Starting last week, my phone would have this strange issue where it would suddenly restart and be at a low battery life. At first I thought it was the rom (Euphoria) so I decided to switch to cloudyg3 to check. Its still happening on this rom too, so I downloaded battery calibration to see if that would fix it and im still having the same issue. Could my battery be causing this? That seems like a really strange thing for a battery alone to do....
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Ventus_zx said:
Starting last week, my phone would have this strange issue where it would suddenly restart and be at a low battery life. At first I thought it was the rom (Euphoria) so I decided to switch to cloudyg3 to check. Its still happening on this rom too, so I downloaded battery calibration to see if that would fix it and im still having the same issue. Could my battery be causing this? That seems like a really strange thing for a battery alone to do....
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Calibrate the battery. I know you attempted this, but you shouldn't restart your phone during calibration. Charge to 100% and use that module to delete the old stats. Use the phone and leave it on until it turns off from no power. There is another module that can turn off the auto-shutoff. Use this (doesn't work on some ROMs) to ensure that you drain it to 0%.
ItsJacobee said:
Calibrate the battery. I know you attempted this, but you shouldn't restart your phone during calibration. Charge to 100% and use that module to delete the old stats. Use the phone and leave it on until it turns off from no power. There is another module that can turn off the auto-shutoff. Use this (doesn't work on some ROMs) to ensure that you drain it to 0%.
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What module are you talking about?
Ventus_zx said:
What module are you talking about?
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"DisableCriticalBatteryShutdown" by zst123

Screen using power when turned off

I've got all gestures and everything else I can think of off, I even disabled "Prevent accidental touches" yet it's still draining the battery fairly considerably
Any ideas?
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It's one of them sweet new features Samsung added, just enjoy it and stop whinging.
....m
If your phone is rooted, check your deep sleep time in a kernel manager like mtweaks or ex. If it doesn't go into deep sleep, there's probably a app preventing it. You can probably find it under the battery usage in your settings. If you can't find it try DS battery saver, if that resolves your issue, it's probably an app keeping your phone awake. It also could be the AoD thats keeping it awake, I only know about this problem in custom roms, and I don't encounter it on my phone on OneUI, but this could be an issue aswell.
Ugulp said:
Do you have an SD Card in your Galaxy?
When you have one, than take it out.
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Even if it fixed it, I use my sdcard every day for my media default save location but thanks
Bumo Gaming said:
If your phone is rooted, check your deep sleep time in a kernel manager like mtweaks or ex. If it doesn't go into deep sleep, there's probably a app preventing it. You can probably find it under the battery usage in your settings. If you can't find it try DS battery saver, if that resolves your issue, it's probably an app keeping your phone awake. It also could be the AoD thats keeping it awake, I only know about this problem in custom roms, and I don't encounter it on my phone on OneUI, but this could be an issue aswell.
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Not rooted unfortunately, shame they limited access to app usage, I mean even Android battery status has more info
Deep sleep seeems to work, battery drain in the morning is fine, this is through the day
Bit of an update for anyone wanting to see actual app stats, "Accubatttery" still works fine
https://play.google.com/store/apps/details?id=com.digibites.accubattery&hl=en_GB

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