1= VODAFONE 3G= 1 U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM , INSERT THAT SIM IN 3G FONE THEN SEND A MSG SMS ACT 3G to 111 WAIT FOR CONFERMATION MSG AND THENLET IT BE ACTIVATED AND THEN CHOOSE UMTS MODE FOR 3G SERVICES.
2=AIRTEL 3G= 1 U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM , INSERT THAT SIM IN 3G FONE THEN SEND A MSG SMS 3G to 121WAIT FOR CONFERMATION MSG AND THEN LET IT BE ACTIVATED AND THEN CHOOSE UMTS MODE FOR 3G SERVICES3
IDEA =1 U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM , INSERT THAT SIM IN 3G FONE THEN SEND A MSG SMS ACT3G to 12345 OR 3G TO 54777 WAIT FOR CONFERMATION MSG ANDTHEN LET IT BE ACTIVATED AND THEN CHOOSE UMTS MODE FOR 3G SERVICES
4=MTNL 3G= 1 U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM , INSERT THAT SIM IN 3G FONE THEN SEND A MSG SMS ACT3G to 444 WAIT FOR CONFERMATION MSG AND THEN LET IT BE ACTIVATED AND THEN CHOOSE UMTS MODE FOR 3G SERVICES
TATA DOCOMO 3G= 1 U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM , INSERT THAT SIM IN 3G FONE THEN SENDA MSG SMS ACT3G to 53333 OR 3GLIFE TO 53333 WAIT FOR CONFERMATION MSG AND THEN LET IT BE ACTIVATED AND THEN CHOOSE UMTS MODE FOR 3G SERVICS
6=AIRCEL 3G= 1 U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM , INSERT THAT SIM IN 3G FONE THEN SEND A MSG SMS START 3G to 121 WAIT FOR CONFERMATION MSG AND THENLET IT BE ACTIVATED AND THEN CHOOSE UMTS MODE FOR 3G SERVICE