Insert a non-accepted SIM card. You should no longer see the network unlock prompt.
The software operates by connecting to a dedicated unlock server, typically requiring a purchased username and password. How to Use the S1 Network Unlock Tool s1 network unlock tool download updated
: Often bundled with features for Factory Reset Protection (FRP) bypass and IMEI repair. Unlock bootloader Xperia XA2 - Devices - Sailfish OS Forum Insert a non-accepted SIM card