Strange battery drain with no sim card - ZTE Axon 7 Questions & Answers

Hello, I have new ZTE Axon 7 with stock B09 Android 7.1.1. I do not undestand battery info under settings. I keep this phone as a second and testing it without sim card. I leaked over 50% of battery just laying wuthout screen usage. I cannot determine what could suck battery if I am not using screen. I have poor batery results on my current LeEco but with screen heavy used. Ho w to determine what sucks my battery?

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Poor batter life

I changed from Note 3 to s 6 edge plus recently
The battery drops 5% per hour overnight when not in use. If I go to bed with less than 40% battery at night I am sure to wake up with my phone switched off in the morning.
When in use with screen on, the battery drips one percent every two minutes. This is the worst battery life I have ever seen in a phone. I was a long loyal customer of samsung and this is my last samsung phone ever.
Extremely disappointed
Please post your battery stats ? so we can have a better understanding of your problem. I suggest you install 'Doze' which should stop unnecessary apps from connecting to the internet and causing your phone to awake from deep sleep.
Dear Akbar 11
Heres the battery stats....is it normal?
I had the same issue, and as far as I managed to find out, it is a bug in Samsung's kernel. Flashing Arter97 kernel solved the issue for, but do post battery stats from SmartManager. If it says 'Android' or 'Android OS', then you have the same problem many of us do.
I don't think it's a kernel problem. My android OS is very low 4%. Like zoolok said post your battery stats from settings, battery, battery usage
I have the same problem. Battery was great before I flash custom rom. After going back to stock I have big battery draining. I must stay on custom rom. With Audax rom and Skyhigh kernel i have great battery life.
You have either messed up something big or you have an app in the background that is eating up your battery like no tomorrow.
And the reason i say that is because i recently got this battery life on my Galaxy S6 edge+.
And this was taken 2 days ago.
Here i use the CRISSCROSS ROM, AudaxPro Kernel, Greeinify and Samsung's own 'Appoptimizing' feature (same as Doze in Android 6.0).
So my battery life is pretty awesome.
i have problem whit battery lose 25% when i sleep
This is a usual day with s6 edge plus
Any help?
jonynoname said:
Any help?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1179809
i have this problem battery ... if u fixed it tell me how?
Well I was expecting Google Play Services to be eating your battery (which is quite common) but it looks like your Andriod OS is eating the most battery. I would uninstall Facebook and use the web version it always helps with the ram and battery furthermore, turn off location if you are not using it and check accounts which are being synced. These are the only tips I can give you as I have never seen Android OS drain so much battery.
Since a few days Google Play Store is eating up my battery: I go to sleep with 100% batt and wake up with 50%, if I check batt stats on top I have play store at 45%, with 5h active a d 2h of CPU.
Follows Android system at 5%.
Going crazy why...
jonynoname said:
This is a usual day with s6 edge plus
Click to expand...
Click to collapse
You've charged your phone 4 times during that day. I can't see what's the interesting part here.

Does marshmallow firmware solve the cell standby battery drain?

Hi all
currently still using lollipop and wondering if its worth instally marshmallow. is the battery life better and have less battery drain then on lollipop?
Thanks
DOSE does help to extend the battery life of the Note 4, when it's not being used and is still powered on.
Forgjve me for asking but are you joking or do you mean that the cell standby usage drops with marshmallow compared to lollipop? Im looking for any possible ways to get thjs reduced. My cell standby percentage is almost 30 and 40%
Hello: In my particular case, before in 5.1 i have 1% per hour of battery drain, now with Marshmallow i have 3 % EVEN with Doze per hour, so in my case make worse my cell phone and with more lag.
So in my case again. I don't recommend you upgrade your phone.
But Cell Standby with Lollipop is terrible....its using so much battery!
Does marshmallow help to get rid of cell standby?
Anyone?
after last update i have heavy cell standy usage. I want to sell my note 4 and go for s7 edge

Battery consumption.

Hi everyone,
I bought my S8 plus on October 26th 2017. After 4 days using, my devide battery drain quickly. I turn off Location, turn on Sync and using not quite often from 7:00 am to 12:am and the battery lost 36%. Does my phone have a battery problem ? I am using 2 sim also.
Thank you so much.
It's not a faulty battery... I have my s8 a month or so, and I'm not impressed with the battery life. Idle state takes too much power, also cell standby. For your dual sim variant, i suppose that cell standby will take even more juice. It's just that, the s8 has really average battery life, at least on official roms, too much wakelocks.
Why not track which apps use data in the background and turn them off.
Mine is stock, but have disabled some Samsung junk, having data on eats battery (phone continually pinging for LTE/3G) so if in wifi area turn data off, use battery saving location setting. I get 60 odd hours between charges, with around 6 hours SoT. I'm quite impressed but one needs to 'tweak' the phone to get best battery life, some good suggestions here. https://www.xda-developers.com/the-...r-community-radically-improved-my-experience/

Mate 9 pro Oreo - poor battery performance

Hi,
After upgrading to Oreo (LON-L29 8.0.0.366(C432)) I'm experiencing very heavy battery drain. I would estimate it's somewhere between 30 - 50% worse than the battery performance with Nougat.
According to the android 8 battery usage information, the 'Phone' application (ver 5.0.0.1) is one of the main culprits - it drained from 100% down to 64% in an overnight test environment with no human interaction and all (possible) apps set to not run in the background.
Amazed they released this with a glaring performance drop.
Anyone else experience this poor battery performance?
Has anyone downgraded to Nougat due to this?
cheers
Fpur
fpur said:
Hi,
After upgrading to Oreo (LON-L29 8.0.0.366(C432)) I'm experiencing very heavy battery drain. I would estimate it's somewhere between 30 - 50% worse than the battery performance with Nougat.
According to the android 8 battery usage information, the 'Phone' application (ver 5.0.0.1) is one of the main culprits - it drained from 100% down to 64% in an overnight test environment with no human interaction and all (possible) apps set to not run in the background.
Amazed they released this with a glaring performance drop.
Anyone else experience this poor battery performance?
Has anyone downgraded to Nougat due to this?
cheers
Fpur
Click to expand...
Click to collapse
Have the same Firmware on mine and no battery drain.
Sent from my LON-L29 using XDA Labs
Exactly the same issue on Huawei P10 Plus. App "Phone 5.0.0.1" is causing havoc with battery.
Well after a lot of headscratching it seems the issue was that the 'phone' application is buggy when the sim card is installed in slot 2, and slot one is empty.
I had my sim card in slot 2 - moved it to slot 1 and rebooted - battery life is better than ever and the 'phone' application is back to using minimal power.

Battery on full charge only 10 Hours Life

Hi. I noticed when I fully charge my phone and check battery on settings, it only says 10 hours overall battery. I am on BatMan ROM and I just noticed it recently. Also on Phone INFO it shows 3000mAh even though the battery of the S7 Edge is 3600mAh. Does anyone experiencing this also?
Sounds strange. Checked on my Device (@Superman Rom). It shows Capacity 3600mah.
Maybe try a clean flash (of stock Rom) the check for a Software failure. Otherwise it sounds you battery is gone.
vcdwelt said:
Sounds strange. Checked on my Device (@Superman Rom). It shows Capacity 3600mah.
Maybe try a clean flash (of stock Rom) the check for a Software failure. Otherwise it sounds you battery is gone.
Click to expand...
Click to collapse
Read it on some other S8 Port ROM threads and its normal for the battery capacity info to be 3000mAh because the S8's battery is only 3000mAh compared to the S7e. Now, what I noticed again is when I get fully charged, on Battery under Device Maintenance it only shows 10 Hours of battery. Is it normal? I recently replaced my battery from an old S7e, 4 days now.

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