You need to use the (aka the Bootloader Unlock by TechMesto ). Here is the flow:
You will need a custom recovery like TWRP for Nokia 7.2 , which is necessary to wipe the device and flash the ROM zip files. nokia 72 custom rom new
The Nokia 7.2, a mid-range smartphone that was once a promising device, has been a popular choice among Android enthusiasts since its release in 2019. However, as time has passed, its software has become outdated, and the device has been left without any significant updates. This is where custom ROMs come into play, breathing new life into the Nokia 7.2 and offering users a chance to experience the latest Android versions and features. You need to use the (aka the Bootloader