Supported are all models e.g. S20, S20+, S20+ Ultra, S20 5G, S20+ 5G, S20+ Ultra 5G, S20 FE, ZFLIP and others from USA networks.
Please check if you can enter a code in your Samsung, before you make an order.
If your device does not ask for the unlock code, do not order !!!!
T-Mobile and Metro PCS are unsupported. They use a special unlocking app that doesn't allow to enter an unlock code.
You can use the following services to remove the blockade for unlock app:
Official Unlock from T-mobile USA (Mobile Unlock Device App)
Official Unlock from MetroPcs USA (Mobile Unlock Device App)