Interesting.
By my opinion this is not battery fault.
Could you please provide screenshot from settings - battery
Main picture and screen on and calls, Wi-Fi on
MarcinP replied at 2017-4-25 06:20
I want see how long phone is in use, how long screen is on, how long you make phone conversation, ...
I will post screenshots to you when the battery close to be empty but there no difference, this behaviour always happened in light or normal or heavy use.
MarcinP replied at 2017-4-23 19:15
Hi
You can download 3C battery monitor from play store and monitor battery voltage from 36%. If b ...
I tested the battery life with "Battery waster"
From 100% to 50% it takes always 4min for 1% drop. From 50 to 30% it takes 3 min for 1% drop and from 30% to 1% it takes only 1min for 1% drop. I will test the attery with 3C tomorrow.
MarcinP replied at 2017-4-25 06:20
I want see how long phone is in use, how long screen is on, how long you make phone conversation, ...
Hi,
I made a screenshits that you want plus a screenshots to 3c battery.
The strange thing is although i didn't use the wifi in this period and is switched off all the time, the system saw it is on and didn't consume the battery.
I have the same issue, from 30% below the battery drains REALLY fast. It lasts for more than 24 hours usually, from 100 to 30, then it discharges in minutes.
It's an issue of many UMI phones, it's obviously a software issues of the % shown.
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