Duoqin F21 Pro (duoqin-f21pro)
 | |
| Manufacturer | Duoqin |
|---|---|
| Name | F21 Pro |
| Codename | duoqin-f21pro |
| Released | 2022 |
| Type | handset |
| Hardware | |
| Chipset | MediaTek Helio A22 (MT6761) |
| CPU | 4x 2.0 GHz Cortex A53 |
| GPU | PowerVR Rog |
| Display | 480x640 IPS |
| Storage | 32 GB / 64 GB |
| Memory | 3 GB / 4 GB |
| Architecture | aarch64 |
| Software | |
| Original software | Android |
| Original version | 11 |
| FOSS bootloader | no |
| postmarketOS | |
| Category | testing |
| Pre-built images | no |
| Mainline | yes |
| postmarketOS kernel | 6.12.0-rc6 |
| Unixbench Whet/Dhry score | 0.0 |
| Flashing |
Works |
|---|---|
| USB Networking | |
| Internal storage | |
| SD card | |
| Battery | |
| Screen |
Partial |
| Touchscreen | |
| Keyboard | |
| Multimedia | |
| 3D Acceleration | |
| Audio | |
| Camera | |
| Camera Flash | |
| IR TX | |
| Connectivity | |
| WiFi | |
| Bluetooth | |
| Ethernet | |
| GPS | |
| Modem | |
| Calls | |
| SMS | |
| Mobile data | |
| Miscellaneous | |
| FDE | |
| USB OTG | |
| HDMI/DP | |
| Sensors | |
| Accelerometer | |
| Magnetometer | |
| Ambient Light | |
| Proximity | |
| Haptics | |
| Barometer | |
| Power Sensor | |
Contributors
Users owning this device
- Teeuwen (Notes: 4+64GB Model, Mainlining)
How to enter flash mode
MTK Preloader
First, turn off the device. Then while holding down Back, insert the USB cable.
Recovery mode
- Power off the device
- Hold down Qin (heart shaped key) + *
- Press Power until the device turns on.
- Release Power once the boot logo shows up
- Release the other buttons once you see "No command"
- Shortly press Up + Back (this may take a few tries)
 |
Because this device does not have a separate recovery partition, the recovery's initramfs is located on the boot partition. After flashing PostmarketOS, you will no longer be able to enter stock recovery or fastboot mode. You can still enter MTK Preloader. |
Installation
Use pmbootstrap to build your own installation image.