Tuesday, March 29, 2016

Discussion about low Standby time on Stock firmware

Hello,

Many of us have issues with the battery standby (or SoT) like most of the rooted user here I have also tried a lot of tricks from disabling CPU cores to removing most of the removable bloat-ware from the original firmware because (while I still was non-rooted user) many times I start the day off charger at 7AM I end up with 3:25 hours SoT and 35% battery at 7PM, then something comes up (like going to the pub) and after 3-4 hours I found my battery at 7-9% without even turning the screen on during that period of time and no clue of what drained the battery.

The idea of this discussion is to track and reveal on what usage (and with which apps) the device is having that specific drain to help non-rooted users find the sweet spot and be helpful for the rooted users.
Also some/all the suggestions in this discussion my not work with your device and ever cause it to misbehave or even hardbrick it if not done with caution and further thinking - experiment on your own risk and no one is responsible for any damages!

What is my daily usage:
Apps: Facebook / Google Play Music / Facebook Messenger / WhatsApp / Viber / SnapChat / Google Chrome / Inbox / Gmail (with POP3)
What I did as non-rooted user:
- Factory Reset
- Stopped using Moto Voice and Double Twist
- Disabled every app that is from Motorola (and it is allowed to be disabled)
- Stopped WiFi scan (not sure because even when turned off the green bar was still visible in the battery graph)
- GPS and NFC are off when not used
note: those changes helped me to get through a day with normal usage and from 7AM to 7PM I end up with 3:35 SoT and 37% battery
Continuing with root:
- Changed the CPU governor from interactive to ondemand (since interactive boosts the clocks at the highest on touch)
- Ultra Kernel (adreno idler does a great job)
note: those changes helped me to get through a day with normal usage and from 7AM to 7PM I end up with 4:10 SoT and 45% battery and until 6.0.1 came out

Yesterday (without the root changes) after some music stream through GPlay Music in the morning after a few hours (~4) my battery was at 60% with 1:50 hours SoT and GPlay Music on the top with 23% battery use and 2 hours later the battery drop on 11% with 2:45 hours SoT and GPlay Music with 6hours CPU use. The only difference with the other days and yesterday was using the MicroSD card as cache for streamed music (note that the card is class 4)

So sometimes could be the MicroSD card('s slow speed) to blame or maybe the Google Play Music App itself.

Suggestions for root user are welcomed too like CPU Tweaks, Removing unnecessary apps, etc. and will be separated from the non-root suggestions

I really hope to make some good discussion about tweaking the Standby time (SoT) on the lux.


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