GSM Mobile Tricks

 (1) *43# to activate call waiting, to deactivate #43#

 (2) Type *#61# and press call - Check call redirection status.

 (3) Cancel all redirections: ##002#

 (4) If your phone doesn't have incoming call barring and outgoing call barring, you can try this.

 For outgoing call barring dial *33*barcode*# and pres OK.

 To deactivate, dial #33#barcode*#.

 (5) To enable conference calls type in **43#. You can make up to 7 calls at once

 (6) If you need to block SMS reception (if you are spammed by someone) just press this code:   *35*xxxx*16# xxxx is your Call Barring code (default is 0000).

   To remove this barring type: #35*xxxx#

 (7) If you want to hide/show your phone number when calling, put one of these codes below  in front of the number that you are going to call. (*#30# / *#31# or *31# / #31# ) {Works on some networks.}

 (8) Typing *0# or *nm# on the beginning of a txt message gives you detailed delivery report on   some networks. But turn off reports in message settings before.

 (9) When the SIM card-pin blocked type **042*pin2 old*newpin2*newpin2*

Disclaimer

This information is provided for educational purposes only, use at your own risk.

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