GSM Secret Codes Type *#61 # and press call - Check redirection status. Cancel all redirections: ##002 # *43 # to activate call waiting, to deactivate #43 #. 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 it dial #33 #barcode*#. On any phone on any network type in **43 # to enable conference calls. You can make up to 7 calls at once 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# 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. 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. When the sim card-pin blocked type **042 *pin2 old*newpin2 *newpin2 *
