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Samsung Galaxy A12 Nacho (samsung-a127f)

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Samsung Galaxy A12 Nacho
A127F booting to a kernel panic, 8 cores are recognized
A127F booting to a kernel panic, 8 cores are recognized
Manufacturer Samsung
Name Galaxy A12 Nacho
Codename samsung-a127f
Model SM-A127F/DSN, SM-A127F/DS, SM-A127F, SM-A127M, SM-A127U
Released 2021
Type handset
Hardware
Chipset Samsung Exynos 850
CPU 4x2.0 GHz Cortex-A55
4x2.0 GHz Cortex-A55
GPU Mali-G52
Display 720 x 1600 LCD
Storage 32/64/128GB
Memory 3/4GB
Architecture aarch64
Software
Original software
The software and version the device was shipped with.
Android (One UI) 11
Extended version
The most recent supported version from the manufacturer.
Android (One UI)
FOSS bootloader partial
postmarketOS
Category testing
Mainline
Instead of a Linux kernel fork, it is possible to run (Close to) Mainline.
yes
pmOS kernel
The kernel version that runs on the device's port.
6.14.0-rc2
Unixbench score
Unixbench Whetstone/Dhrystone score. See Unixbench.
0.0
Features
Flashing
It is possible to flash the device with pmbootstrap flasher.
Untested
USB Networking
After connecting the device with USB to your PC, you can connect to it via telnet (initramfs) or SSH (booted system).
Untested
Internal storage
eMMC, SD cards, UFS, ...
Broken
SD card
Also includes other external storage cards
Untested
Battery
Charging and battery level reporting works
Untested
Screen
Display works. Ideally with sleep mode and brightness control.
Untested
Touchscreen
Untested
Multimedia
3D Acceleration
Untested
Audio
Audio playback, microphone, headset and buttons.
Untested
Camera
Untested
Camera Flash
Untested
IR TX
Untested
Connectivity
WiFi
Untested
Bluetooth
Untested
GPS
Untested
NFC
Near Field Communication
Untested
Modem
Calls
Untested
SMS
Untested
Mobile data
Untested
Miscellaneous
FDE
Full disk encryption and unlocking with unl0kr.
Untested
USB OTG
USB On-The-Go or USB-C Role switching
Untested
Sensors
Accelerometer
Auto screen rotation works in desktops e.g. Phosh or Plasma Mobile
Untested
Magnetometer
Sensor to measure magnetism
Untested
Ambient Light
Untested
Proximity
Untested
Haptics
Untested
Power Sensor
Sensor to monitor current, voltage and power. Not fuel gauge!
Untested

Contributors

Users owning this device

Current status

How to enter flash mode

Press both volume up and volume down while booting the device to enter Odin.

Installation

Using pmbootstrap

Follow Installation/Using pmbootstrap. When asked for the device's vendor/codename, select FIXME as the vendor and FIXME as the codename.

To flash the image to the device:

  • Enter flashing mode (see #How to enter flash mode)
  • Run pmbootstrap flasher flash_kernel to flash the kernel
  • Run pmbootstrap flasher flash_rootfs


See also