Jump to content

Samsung Galaxy A21s (samsung-a21s)

From postmarketOS Wiki
Samsung Galaxy A21s
LineageOS GSI with Halium Kernel
LineageOS GSI with Halium Kernel
Manufacturer Samsung
Name Galaxy A21s
Codename samsung-a21s
Model SM-A217F
Released 2020
Type handset
Hardware
Chipset Samsung Exynos 850
Display 720x1600 PLS LCD, 6.5"
Storage 32/64/128 GB eMMC 5.1 + microSDXC
Memory 2/3/4/6 GB LPDDR4X
Architecture aarch64
Software
Original software
The software and version the device was shipped with.
Android (One UI) 10 (One UI 2)
Extended version
The most recent supported version from the manufacturer.
Android (One UI) 12 (One UI 4)
FOSS bootloader no
postmarketOS
Pre-built images
Whether pre-built images are available from the postmarketOS Installation page.
no
Mainline
Instead of a Linux kernel fork, it is possible to run (Close to) Mainline.
no

Contributors

Users owning this device

  • Kotik (Notes: CrDroid 11.3, Android 15(I still don't upgraded CrDroid version), 4/64.)
  • Leo
  • Madhaxbro (Notes: SM-A217F, runs LineageOS. Basic modern Smartphone, capable CPU and weak GPU. The SoC is supported in mainline. Has uniLoader support.)
  • RiskyGUY22
  • Zerkalo (Notes: not tested yet)


How to enter flash mode

Installation

Use pmbootstrap to build your own installation image.

$ pmbootstrap init
$ pmbootstrap install --android-recovery-zip --recovery-install-partition data
$ pmbootstrap export ./

Flash the generated .zip file in TWRP. Adb sideloading (in TWRP) is also supported. Other recoveries are untested