Apple iPhone 4g & 4gs secret code

Apple iPhone 4g & 4gs secret code

*3001#12345#* and tap Call. Enter Field Mode

*#06# Displays your IMEI. No need to tap Call .

*777# and tap Call. Account balance for prepaid iPhone.

*225# and tap Call. Bill Balance. (Postpaid only)

*646# and tap Call. Check minutes. (Postpaid only)

*#21# and tap Call. Setting interrogation for call forwards.

*#30# and tap Call. Calling line presentation check.

*#76# and tap Call. Check whether the connected line presentation is enabled or not.

*#43# and tap Call. Determine if call waiting is enabled.

*#61# and tap Call. Check the number for unanswered calls.

*#62# and tap Call. Check the number for call forwarding if no service is available.

*#67# and tap Call. Check the number for call forwarding when the iPhone is busy.

*#33# and tap Call. Check for call control bars.