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Xiaomi Redmi 3S (xiaomi-land)

From postmarketOS Wiki
Note This device is supported as part of a generic port. Refer to Generic MSM89x7 (qcom-msm89x7) for installation instructions and more information.
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
The version the device was shipped with.
6.0.1 (MIUI 9.2)
postmarketOS
Category testing
Pre-built images
Whether pre-built images are available here.
no
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.
6.13
Generic port Generic MSM89x7 (qcom-msm89x7)
Features
Flashing
It is possible to flash the device with pmbootstrap flasher.
Works
USB Networking
After connecting the device with USB to your PC, you can connect to it via telnet (initramfs) or SSH (booted system).
Works
Internal storage
eMMC, SD cards, UFS, ...
Works
SD card
Also includes other external storage cards
Works
Battery
Charging and battery level reporting works
Works
Screen
Display works. Ideally with sleep mode and brightness control.
Works
Touchscreen
Works
Multimedia
3D Acceleration
Works
Audio
Audio playback, microphone, headset and buttons.
Works
Camera
Partial
Camera Flash
Partial
IR TX
Works
Connectivity
WiFi
Partial
Bluetooth
Works
GPS
Broken
Modem
Calls
Broken
SMS
Broken
Mobile data
Broken
Miscellaneous
FDE
Full disk encryption and unlocking with unl0kr.
Works
USB OTG
USB On-The-Go or USB-C Role switching
Works
Sensors
Accelerometer
Auto screen rotation works in desktops e.g. Phosh or Plasma Mobile
Broken

Contributors

  • Alikates
  • Aakash-pro

Users owning this device

  • Aakash-pro (Notes: Working awesome)
  • 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, ubuntu touch secondary, it likes to overheat when charging while turned off)
  • Netman (Notes: Screen does not respond to touch ("usable" with USB/BT mouse), 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 fastboot mode

With the phone powered off, hold Volume Down 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


ISSUES

Note ISSUE: wifi is working, but speeds are very slow.

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