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Xiaomi Redmi 3S (xiaomi-land)

From postmarketOS Wiki
Xiaomi Redmi 3S
booted os with xfce4
booted os with xfce4
Manufacturer Xiaomi
Name Redmi 3S
Codename xiaomi-land
Released 2016
Type handset
Hardware
Chipset Qualcomm Snapdragon 430 (MSM8937)
CPU 4 x CortexA53 1.4GHz + 4x Cortex A53 1.1GHz
GPU Adreno 505
Display 720 x 1280 IPS
Storage 16GB / 32 GB
Memory 2GB / 3GB
Architecture aarch64
Software
Original software Android (MIUI)
Original version 6.0.1 (MIUI 9.2)
postmarketOS
Category testing
Pre-built images no
Mainline yes
postmarketOS kernel 6.12.5
Features
Flashing
Works
USB Networking
Works
Internal storage
Works
SD card
Works
Battery
Broken
Screen
Works
Touchscreen
Works
Multimedia
3D Acceleration
Works
Audio
Broken
Camera
Broken
Camera Flash
IR TX
Connectivity
WiFi
Works
Bluetooth
Works
GPS
Broken
Modem
Calls
Broken
SMS
Broken
Mobile data
Broken
Miscellaneous
FDE
Works
USB OTG
Broken
HDMI/DP
Sensors
Accelerometer
Broken
Magnetometer
Ambient Light
Proximity
Hall Effect
Haptics
Barometer


Contributors

  • Alikates

Users owning this device

  • Alikates
  • ApertureUA (Notes: 3x variant, many dead pixels but useable, unlocked with aboot patch)
  • Bczeman
  • ByteXD23! (Notes: few dead pixels, 3/32 variant, mtp doesnt work)
  • Jojo autoboy (Notes: Prime variant)
  • Minicx (Notes: Need mainline kernel(because of fbdev drivers)
  • Mirko (Notes: Prime variant and battery not charging correctly, Pixel experience)
  • Netman (Notes: Screen does not respond to touch, 2/32 variant (Redmi 3X))
  • Russanandres (Notes: Miui 8 rom)
  • Selfisekai (Notes: held by polish law enforcement)
  • Sungold (Notes: Another lab rat to work on,AEX A12)


How to enter flash mode

With the phone powered off, hold Volume Up and Power buttons simultaneously. Release when you feel a vibration and the fastboot screen shows up.


Installation

Note Warning: Flashing lk2nd is required, as it is a hard dependency.
$ pmbootstrap init # choose Vendor: qcom Device codename: msm89x7
$ pmbootstrap install
$ pmbootstrap flasher flash_lk2nd
$ pmbootstrap flasher flash_rootfs

UART pinout

On the back of the board. These pins are only 0.5mm and have solder mask on them, be careful.

Position of the pins on the board

UART and JTAG pinout described

See also