Quote:
Originally Posted by Rosa_WM
I still have doubts whether doing anything with Phone.apk and TelephonyProvider.apk is really necessary. I've been fiddling with these on some previous firmware versions and noticed that even though phone related stuff is listed as if it were causing a lot of battery drainage, disabling these services does not have any significant impact on battery life. Then again, I may be wrong. Perhaps it is firmware dependent.
At the moment I'm running 1.7.0. As long as I keep wifi off, the battery goes down quite slowly - I did however turn airplane mode on and mobile data off figuring they might be a factor.
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In my case (Booxtor 20141013 firmware) the battery drain is due to WiFi refresh and due to this three apps: Google Services + Google Play Store + Download Provider. You can reduce WiFi refresh adding to build.prop this line: wifi.supplicant_scan_interval=180 (posts above you have my build.prop)
Btw, I don't recommend to uninstall Phone.apk or TelephonyProvider.apk because you will lose the Bluetooth.
Best.