Am already using reliance gsm in my mobile samsung monte when i try to change to

[ajay_97]

am already using reliance gsm in my mobile samsung monte when i try to change to other network sim mobile is not detecting the sim other than reliance gsm.

How can i use other network sim in my mobile

 

[Pyree]

Unlock your phone to use other network. Ask the shop you bought your phone from or network provider, they usually provide you with the unlock service with an unlock fee.