*#06# To check IMEI No.
*#9090# – Diagnostic Configuration
* #1234# to check software version of phone.
*#272*IMEI# – Reset User data + Change Sales Code
*#12580*369# to check software and hardware information.
*#0228# Battery status (ADC, RSSI reading)
*2767*3855# Full factory reset ( Don’t dial it does not ask you to
confirm unless you have problem
*#0*# This Code shows Screen Test Menu (LCD Test Menu) Hidden Menu
*#283# Audio LoopBack Control
*#07# Test History (SAR Level)
*#228# ADC Reading (Battery Status)
*#7353# Self Test Mode (2nd Hidden Menu....
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