If you aren't ready to void your warranty or flash bootloaders, you can use Googlefier. It forces Google Play Services onto the stock Chinese ROM.
The Qin F21 Pro’s ROM ecosystem is a fascinating case of community-driven reverse engineering. From exploiting MediaTek’s preloader to crafting T9 keymaps, developers have transformed a locked-down Chinese feature phone into a privacy-respecting, Google-free device. However, trade-offs in SELinux, VoLTE, and physical keyboard integration remain. For users seeking a minimalist phone with full control, the F21 Pro is an unmatched platform—but only if they accept the responsibility of maintaining their own ROM. qin f21 pro rom
The Qin F21 Pro is a unique device. It sits in a strange limbo between a "dumbphone" and a smartphone. It runs Android (specifically Android 11), but it is designed to minimize screen time. However, many users find the stock software (the "Stock ROM") limiting, bloated with unnecessary Chinese apps, or buggy. If you aren't ready to void your warranty
If you are looking to flash a new ROM, debloat your device, or simply understand the software ecosystem, this guide is for you. The Qin F21 Pro is a unique device