You will need a Windows PC and a Micro-USB cable.
Instant, permanent, doesn't void warranty (usually), requires no software flashing. Cons: Costs money (but less than a new hotspot). zte mf971r unlock
: This is the safest and often free method. Carriers like AT&T , T-Mobile , and others will provide a code if your contract is complete or the device is paid in full. You will need a Windows PC and a Micro-USB cable