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Text excerpt from page 11 (click to view)
CHARGING THE BATTERY
Connect the battery charger
Wait for on-screen indicator to stop flashing
Disconnect the battery charger once charging is complete
A beep will sound when charging begins. It takes a brief while before the charging indicator icon starts to flash. The mains socket outlet must be close to the phone and easily accessible. REMOVING THE BATTERY
Unclip and slide the cover.
Remove the battery
When you first use your phone you must charge the battery for approximately 3 hours.