How To Unlock Iphone 6 Activation Lock For Free more. In addition, unlocking of a device may enable some of the features of the device, but not all (eg, which can support a unlocked device voice services, but data services when enabled in another network). As bad as their service is, you think they would bend over backwards to help a customer. SMH Originally, it could be Sprint. However, be aware that it is up to you to have the SIM card safe use with unlocked iPhone 5 will be compatible before you place the order. Microsoft Picture It Photo Premium 10 Software more. There are actually two different radio systems, CDMA and GSM, which can be a telephone and some phones are built to use one, some are built to use the other, and some are built primarily for one, but with some skills that enjoy it others. Verizon on the other hand, the other CDMA operators, was forced to change its locking options due to the legal restrictions on their unique LTE band as I mentioned earlier. For an iPhone, you give your IMEI, they send you an email when unlocking is complete (usually a few days to a week later), connect it to iTunes and wait for iTunes to tell you it unlocked. After sprint is iPhone unlock completely and will be fully functional on all network operators (the only limit may be different network frequencies as the GSM iPhone can only work on GSM network bands.) As far as I can tell, this has nothing to do with unlocking or locking has nothing To do with CDMA or GSM, it just about how they built their iPhones. If you get the unlock code, turn off the phone and insert the third-party SIM card into iPhone before turning it back on. f. You will see an empty box where you will enter the unlock code. FOLLOWING SPRINT IPONS WITHOUT IPHONE 4 Additional Information I have learned today that it has been proven that an international unlocking of Sprint while the device is running on the account is only international unlocking.