User manual
Battery use
The following topics explain how to care for your phone’s battery.
Battery cautions
Storage: Avoid storing or leaving the device with no charge remaining.
Saved information and settings may become lost or changed, or the
device’s battery may become unusable. Charge once every six months
before storing or leaving unused for a long period of time.
Bulges: Depending on use, bulges may appear near the end of
battery life. This does not affect safety.
Replacement: The performance of the device's battery will decrease
over time. It needs to be r
eplaced if operating time shortens noticeably.
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