To get Sony Ericsson Secret Menu:
-> * <- <- * <- *
(-> agency columnist joystick, arrow keys or jogdial to the adapted and <- agency left.) You’ll see buzz model, software info, IMEI, agreement info, sim lock status, REAL time clock, absolute alarm time and argument labels. You can additionally analysis your phones casework and [...]

Samsung phone codes for your samsung mobile/handset:
#*5376# DELETE ALL SMS!!!!
#*6837# Official Software Version: (0003000016000702)
#*7326# Accessory
#*7683# Sleep variable
#*2834# Audio Path (Handsfree)
#*3270# DCS Support Activate/Deactivate
#*3282# Abstracts Activate/Deactivate
#*3476# EGSM Activate/Deactivate
#*3676# FORMAT FLASH VOLUME!!!
#*4760# GSM Activate/Deactivate
#*4864# White Screen
#*2077# GPRS Switch
#*2027# GPRS Switch
#*0227# GPRS Switch
#*3797# Blinks 3D030300 in RED
#*7372# Resetting the time to DPB variables
#*3273# EGPRS multislot (Class 4, 8, [...]