Rom ((exclusive)) — Qin F21 Pro

Download apps like Traditional T9 or tt9 from F-Droid to utilize the physical hardware keypad seamlessly.

Once the green checkmark appears, the ROM is installed.

If your T9 keys do not type correctly on a GSI, install a third-party keypad handler app like Traditional T9 or Kvaesitso launcher to remap the physical keys. qin f21 pro rom

For the technically inclined, installing a GSI for the latest Android versions offers maximum flexibility.

Because the F21 Pro uses Treble (Android 10+), any ARM64 A-only GSI should theoretically work. Popular options: Download apps like Traditional T9 or tt9 from

Install the MTK VCOM drivers on your PC so it recognizes the phone's MediaTek Helio G85 chipset.

Many international and Chinese variants ship without the Google Play Store. A custom ROM adds native GMS support for easy app downloads. For the technically inclined, installing a GSI for

When it comes to choosing a custom ROM for your Qin F21 Pro, there are several options to consider. Here are some of the most popular ROMs available:

Tests conducted on LineageOS 18.1 GSI vs. Stock ROM: