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Duoqin F21 Pro (duoqin-f21pro)

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Duoqin F21 Pro
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
Features
Flashing
Works
USB Networking
Works
Internal storage
No data
Battery
No data
Screen
Partial
Touchscreen
No data
Keyboard
No data
Multimedia
3D Acceleration
No data
Audio
No data
Camera
No data
Camera Flash
No data
IR TX
No data
Connectivity
WiFi
No data
Bluetooth
No data
Ethernet
No data
GPS
No data
Modem
Calls
No data
SMS
No data
Mobile data
No data
Miscellaneous
FDE
No data
USB OTG
No data
HDMI/DP
No data
Sensors
Accelerometer
No data
Magnetometer
No data
Ambient Light
No data
Proximity
No data
Haptics
No data
Barometer
No data
Power Sensor
No data


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)
Notice 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.


See also