GSM Mobile System Hacks GSM mobile unlock codes[Tips and Tricks]: .. USSD Systems used in Nepal Telecom GSM mobile


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GSM Mobile System Hacks GSM mobile unlock codes[Tips and Tricks]:
GSM-          –            -Global System for Mobile.
USSD-         –            -Unstructured Supplementary Service Data.
CRBT-         –            -Calling Ringback Tune.
SMS-          –            -Short Message Service.
VMS-          –            -Voice Mail Service.
MMS-          –            -Multimedia Message Service.
WAP-          –            -Wireless Application Protocal.
GPRS-         –            -General Packet Radio Service.
Change Security on your mobile phone:
Change PIN1 code:                                            **04*old PIN1*new PIN1*new PIN1#
Change PIN2 code:                                            **04*old PIN2*new PIN2*new PIN2#
Change PUK1 code:                                            **05*old PUK1*new PUK1*new PUK2#
Change PUK2 code:                                            **05*old PUK2*new PUK2*new PUK2#

View Information via USSD in your mobile:
Call divert all voice calls facility:                        *#21#[call]
Caller identity display to your phone:                       *#30#[call]
Your calling identity display to others phone:               *#31#[call]
Call barring facility:                                       *#33# / *#35#[call]
Call divert if out of reach facility:                        *#61#[call]
When you call to other phone display status:                 *#76#[call]works only in some networks
When you call other function display:                        *#77#[call]works…

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