Sony Ericsson P910 Benutzerhandbuch

This chapter consists of a selection of suggestions for solving 
possible problems with your P900. If this does not help, please 
try the Solution Finder on www.sonyericsson.com/support. 
There you can also find other information that can be helpful. 

• Handheld phone: recharge or replace the battery.

• Make sure the contacts on the battery and 

charger are clean and avoid charging the battery 
in extreme temperatures.

• Vehicle Handsfree: check that the P900 is 

properly inserted into the holder and check the 
fuse in the fuse holder (connected to the battery 
cable).

• Make sure a SIM card is activated and inserted 

into your P900. See ‘SIM card’ on page 11.

If your PIN is entered incorrectly three times in a 
row, the SIM card will be blocked. You can 
unblock it by using your PUK. See ‘SIM card lock’ 
on page 35.

Phone locked is displayed followed by the prompt 

.

Your P900 is locked to prevent unauthorised use.
To unlock the P900:
• Enter your device lock code, 0000 by default, 

then press 

 or 

.

The keypad is locked to prevent unintentional key 
action.
Press 

 followed by 

 to unlock the 

keys.

This indicates that the battery is running low and 
soon needs recharging or replacing with a spare.
• With Vehicle Handsfree (VHF) equipment, make 

sure that the following are inserted or connected: 
your P900 and its holder, the fuse in the fuse 
holder, and/or the external antenna.

If the indicator light at the top of your P900 does 
not flash and no network is displayed there is no 
network within range. See ‘Telephone does not 
work’ on page 172.