How to Generate an Unlock Code for Your Oppo A54
This video is about showing how you can SIM/Carrier or region unlock your SAMSUNG Galaxy A40 device using an unlock code. the whole procedure is simple, at first you you need to dial *#06# on your device to get the IMEI number then you have to visit https://unlocklocks.com to obtain the unique unlock code of your phone. Once the unlock code is arrived to your email (usually it takes from 12 to 24 hours) you should remove the original SIM Card from your phone and insert a SIM Card from different network, your device will prompt you to enter the unlock code you received , enter that code and you're done. that'll. you can find more information