Does it have an rtc battery?
Do all optimus’es have them ??
Update (08/25/2019)
as far as i know,these lg models have an rtc battery:
optimus g.
optimus L9.
g4.
g3.
g2.
f6.
xpression.
phones still need an rtc battery for when their main battery is out & it won’t have a network to get time from when it turns on again.
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