Removable Battery - UTStarcom Sidekick ID Reference Manual

2 Let the device charge for at least four (4) hours, until fully charged.
Rest the device in a safe place and let the battery charge for at
least four hours. When you first receive your device, you must
fully charge the battery for the system to perform battery-reading
calibration and deliver full capacity.
As the device is charging, you will see the bars in the battery icon
fill repeatedly from left to right. When your device is fully-charged,
the lightning bolt icon will disappear and the bars will stop moving
and remain in the filled position.
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For efficient operation, charge your device nightly. If you plan to leave
your device unattended for an extended period of time, be aware
that the battery will discharge after two days if it is turned on and not
attached to the charger. If your device does fully discharge, simply
attach it to the charger; all your data should be restored.

Removable Battery

If you need to replace your rechargeable battery, or if you need to insert
or remove your SIM card, first you will need to remove the installed
battery. Begin by powering down your device:
1 Press and hold the power button three seconds to power down.
2 Turn the device over. With your right thumb, slide the cover left,
pushing the raised dots on the cover to release, then lift the cover
to remove it.
14 Device Basics