The new Moto X has been released officially by Motorola and has been available in some countries like the U.S. and Canada, and AT&T is the first carrier in the U.S. which released the Moto X. Any other U.S. carriers will likely bring this device, but there is no exact release date, chances are they will wait until the exclusive deal between AT&T and Motorola expires. But for those of you who can’t wait to have it, you can purchase off contract device and use it with any GSM provider worldwide. The good thing is, for the U.S. T-Mobile users you can even get 4G LTE speed.
The initial step to be able to use AT&T Moto X with unsupported SIM is to request network unlock PIN unlock, it is standard procedure that should you achieve if you desire to use a carrier-branded device on different GSM operators. To perform the unlock you can contact the AT&T rep and ask whether you are eligible for to unlock, another way is to use the network unlock service that is currently widely available on the internet or on ebay.com at a very reasonable price.
After getting the PIN unlock, now insert a T-Mobile SIM card or cards from other carriers. You will see “SIM network unlock PIN” message shows up, now enter the 16-digit network unlock PIN that you have got before then hit unlock, if you enter the correct PIN then you will get the “SIM network unlock successful” message, then your Moto X will reboot on its own. After boot up you’ll notice the carrier label changed to T-Mobile or another carrier.
If your area already supported by 4G LTE network, you can also use it on Moto X, simply create a new APN with the settings as below:
MMS protocol: WAP 2.0
APN type: default,supl,admin,dun,mms
If you don’t want to use the AT&T Moto X with T-Mobile LTE network or your area does not include 4G network coverage, you can change the APN to: epc.tmobile.com.