Unlocking a Sunmi V2 is legal if you own the device. However, if the terminal is leased from a bank or payment processor (e.g., Square, Toast, Chase), unlocking it violates your user agreement. Additionally, bypassing FRP on a device you do not own is illegal. This guide is for educational purposes and for reclaiming your own property.
Before diving into the "how," let's discuss the "why." The Sunmi V2 typically arrives locked for three main reasons:
The Sunmi V2 supports 4G LTE. If the device rejects your SIM card:
If you have entered the wrong password 5 times, you may see a "Forgotten the password" option. Tap it to log in using the linked Google Account credentials. 2. Network (SIM) Unlocking
Sometimes, booting into Safe Mode disables the third-party launcher that enforces the kiosk lock.