Are you using samsung mobile, then the shortcut keys are
1.*#9999# - to know about your mobile software
2.*#06# - to know about EMI number
3.#*4760# - to activate or deactivate GSM features
4.#*2472# - to know bout charging in your phone
5.*#8999*778# - details about your sim card
1.*#9999# - to know about your mobile software
2.*#06# - to know about EMI number
3.#*4760# - to activate or deactivate GSM features
4.#*2472# - to know bout charging in your phone
5.*#8999*778# - details about your sim card
