befor buy a nokia phone use these codes...

These hidden code ca be use when buying a second hand mobile phone.

IMEI number: * # 0 6 #

Software version: * # 0 0 0 0 # lub * # 9 9 9 9 #

Simlock info: * # 9 2 7 0 2 6 8 9 #

Enhanced Full Rate: * 3 3 7 0 # [ # 3 3 7 0 # off]

Half Rate: * 4 7 2 0 #

Provider lock status: # p w + 1 2 3 4 5 6 7 8 9 0 + 1

Network lock status: # p w + 1 2 3 4 5 6 7 8 9 0 + 2

Provider lock status: # p w + 1 2 3 4 5 6 7 8 9 0 + 3

SimCard lock status: # p w + 1 2 3 4 5 6 7 8 9 0 + 4

Full Reset: (clears everything off the phone memory!! Be sure to back up your contacts!!): *#7370#, 12345 and then Yes.

Soft Reset: *#7780#, 12345 and then Yes. (Also works on Nokia S40 phones, NOTE: On the 6230/6230b, same as going to the Factory Reset option under Settings!! Thanks to Tris for the headsup!!)

*#335738#
*#delset#