Typical for MediaTek (MT6761/Helio A22) devices:
If your goal is absolute privacy and focus, these ROMs strip away both Chinese software and Google ecosystem tracking. They often utilize alternative app stores like F-Droid or Aurora Store, giving you control over what enters your device. 3. Kosher / Student ROMs
Most Qin F21 Pro units ship with a Chinese-centric version of Android 11 that lacks Google Play Services and is cluttered with pre-installed apps you'll never use. Custom ROMs offer several advantages:
These are modified versions of the official firmware. Developers inject Google Play Services, the Google Play Store, and Magisk for root access directly into the system image. This option maintains 100% hardware compatibility, including the infrared blaster and the complex physical keypad mapping. 2. LineageOS GSIs (Android 11 / Android 12)
The stock firmware may be a bit clunky, but the Qin F21 Pro truly shines when you dive into custom ROMs. The following are the most notable projects.