NEC

IMEI *#06#
Version * # 2820 #
hardware reset *73738# (send?)
Lock info * # 3210 # (send?) - SP lock
* # 8140 # (send?) - Net lock
SIM LOCK
*#4960 # (send?) - info
*4960*pass*pass#(send?) -lock
#4960*pass#(send?) -unlock
pass is 8 digits

Lock Status * # 3210 # (send?) - SP lock
* # 8140 # (send?) - Net lock
code for repair n21 n22 n223
*#3727372#