LG P925 hang on logo problem fix by Hard Reset..

Turn the power off.
NOTE: If you are unable to turn off the phone with the Power key, remove and re-insert the battery.
Hold the Volume Down key and the Power key until LG logo appears, then, let go of only the Power key.
Continue holding the Volume Down key until the System Recovery menu is displayed.
Using the Volume Down key, scroll to "Yes- Delete all user data," and then press the Menu key.
Press the Menu key once the device displays "Data wipe complete" to Reboot the device.
The device will restart with factory settings.

LG P925g UNLOCK SUCCESS

procedure:

Please, power phone ON, connect P990 cable (with 56k resistor), type
3845#*925#, go to "Port Setting", select "CP Image download" and click
"OK"

on software select com port from the modem port in device manager
click connect :software read phone info
then press unlock.






LOGS:
Welcome to Octopus Box LG Software version 2.0.3
--------------------------------------------------------------------------------
Platform: LG Infineon
Connection mode: Modem
Selected model: P925G
Initializing device...OK
Please, power phone ON, connect P990 cable (with 56k resistor), type
3845#*925#, go to "Port Setting", select "CP Image download" and click
"OK"...OK
Sending preloader...OK
Sending loader...OK
Reading info...OK
IMEI: 012865-00-008285-1
Bluetooth address: 70:05:14:0D:42:7C
Locks: Network Lock
MCC=302 (Canada)
MNC=720
Unlocking...
Reading EEPROM...OK
Backup saved to "P925G_012865000082851_14-12-2011_14-31-55.EEP"
Writing EEPROM...OK
Phone successfully unlocked!