Battery usage, Handset description, Battery installation – UTStarcom PN-820 User Manual
The battery is not charged when the phone is first purchased – fully
charge the battery before first use. Battery operating time gradually
decreases over time. If the battery fails to perform normally, you may
need to replace it.
Be sure to use only the batteries that have been provided with the
phone. Installation is easier if you have placed the phone on a flat
1 ❶ Place the battery on the back of the handset
and slide into place.
Push the battery down until it locks into place.
T9 text input mode, uppercase
Numeric input mode
1XRTT connection available
EV-DO connection available
Press to make or receive a call.
Short press: View Recent Calls.
Long press: Make a call to the last number called.
Press to turn the phone on/off, to terminate a call or
to return to the Home Screen.
(Left Soft Key) Press to access the main menu or
the Menu function displayed on the bottom line.
(Right Soft Key) Press to access the Contacts or
Menu functions displayed on the bottom line.
(Clear) Press to clear a digit from the display or to
return to the previous page.
A long press changes to capital letters or symbols
during text entry mode. Turn vibrate mode on or
off with a long press in from the Home screen or in
A long press inserts a ‘+’ for international call.
Press and hold to enter lock mode or press to insert
a space during text entry mode.
Press to return to the Home screen.
V / v key
Press to adjust voice volume during a call, and
adjust audio volume in standby mode.
A short press launches the Quick List and a long
press activates Voice Command or Voice Notes.
Press to launch the camera application.