How to Network-Unlock Your iPhone to Use with Any GSM Carrier on iOS 11
If you want to use your iPhone with another carrier, all you have to do is contact the original carrier to request an unlock, which is usually granted in a few days. Unfortunately, you need to meet specific criteria to officially carrier-unlock your iPhone, like paying off the device in full and completing any contracts. But that doesn't mean there isn't a workaround you can use beforehand. An exploit has been found within iOS that enables you to unlock your iPhone for use with any GSM network; This is done using an external SIM chip that allows you to change the ICCID the iPhone thinks is... more
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