Unlocking your Samsung Galaxy S4 so you can use with another SIM Card of GSM Network is very common these days, Many of the possible reason to unlock your device, like you love your phone but not the network service provider due to the excessive charges, poor service or unreliable connection etc.
If you bought a Samsung GS4 with AT&T or T-Mobile etc, Your device is locked to that particular carrier and you are not able to use it with different SIM card. Once the contract period is ended with your network service provider you may request to unlock your device with them, but it is not easy as you think as in the US unlocking becomes illegal after 26th Jan 2013, well there is a new bill is in progress to make it legal.
To switch between different network providers you need to first unlock your device, and if you didn't want to wait for a long and desperate to use another Sim Card, you could do this by paying few bucks to online websites or to a local store.
If you bought a Samsung GS4 with AT&T or T-Mobile etc, Your device is locked to that particular carrier and you are not able to use it with different SIM card. Once the contract period is ended with your network service provider you may request to unlock your device with them, but it is not easy as you think as in the US unlocking becomes illegal after 26th Jan 2013, well there is a new bill is in progress to make it legal.
To switch between different network providers you need to first unlock your device, and if you didn't want to wait for a long and desperate to use another Sim Card, you could do this by paying few bucks to online websites or to a local store.




