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Battery Protect
Battery Protect (Option for N7L with backup battery):
When turning on this function, system will enter sleep mode and
use battery backup if you remove back cover, and you can change main battery safely without worrying about losing data.
After you finish change battery and close the back cover, system return to normal mode.
Tap the app icon
and then
“Battery” -> tap “battery_protect” and then turn on/off this function per your needs.