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Xiaomi Redmi Note 4 (xiaomi-mido)

From postmarketOS Wiki
Note This device is supported as part of a generic port. Refer to Generic MSM8953 (qcom-msm8953) for installation instructions and more information.
Xiaomi Redmi Note 4 /
4X
Xiaomi Redmi Note 4
Xiaomi Redmi Note 4
Manufacturer Xiaomi
Name Redmi Note 4 /
4X
Codename xiaomi-mido
Released 2017
Type handset
Hardware
Chipset Qualcomm Snapdragon 625 (MSM8953)
CPU Octa-core 2 GHz Cortex-A53
GPU Adreno 506
Display 1080x1920
Storage 16 GB / 32 GB / 64 GB
Memory 2 GB / 3 GB / 4 GB
Architecture aarch64
Software
Original software Android (MIUI)
Original version
The version the device was shipped with.
 6 (MIUI 9)
postmarketOS
Category community
Pre-built images
Whether pre-built images are available here.
 yes
Unixbench score
Unixbench Whetstone/Dhrystone score. See Unixbench.
 3697.5
Generic port Generic MSM8953 (qcom-msm8953)
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
IR TX
Works
Connectivity
WiFi
Works
Bluetooth
Works
GPS
Partial
Modem
Calls
Works
SMS
Works
Mobile data
Partial
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
Works
Haptics
Works


Maintainer(s)

Contributors

Users owning this device


Device Notes

Touchscreen

// touchscreen-compatible = "edt,edt-ft5406";
touchscreen-compatible = "goodix,gt917d";

Modem

Modem works with ipa-lite since 6.7.2, but mobile data is not working on all variants yet, calls and sms are working.

Display Panels

LCD Vendor IC Vendor Supported?
BOE Novatek NT35532 Yes
Tianma Novatek NT35596 Yes
Tianma otm1911 Yes
BOE IlItek ili9885 Need testing
EBBG(Foxconn) Synaptics r63350 Yes

Camera

Camera Sensor Package vendor Supported?
Sony IMX258 Ofilm/qtech/sunny imx258.c in mainline - need testing
Samsung S5K3L8 Ofilm/qtech/sunny It was added to 6.7.5 and configuration is merged in megapixels.
Samsung S5K5E8 Ofilm/qtech/sunny No support for now
Omnivision ov13855 Ofilm/qtech/sunny No support for now

Battery

Battery Vendor Supported?
Desay lisheng 4v4 Yes
Sunwooda atl Yes

Sensors

Bosch BMI160 is supported since 6.6.8 All sensors are handled by remote processor and exposed via QMI, they all will work once proper driver lands in mainline.

IR led

IR led support is landed in 6.7.2. It can be used with: # ir-ctl -S rc5:0x1e01

GPS

Qualcomm_Snapdragon_450/625/626/632_(MSM8953)#GPS

Installation

Note Warning: Flashing lk2nd is required, as it is a hard dependency. Without it the mainline kernel will not select the display panel (resulting in black screen on boot). 
$ pmbootstrap init # choose Vendor: qcom Device codename: msm8953
$ pmbootstrap install
$ pmbootstrap flasher flash_lk2nd
$ pmbootstrap flasher flash_rootfs

How to enter flash mode

  • Stock Fastboot: Power on the device with both Power and Volume Down buttons
  • lk2nd Fastboot: Power on the device. After it vibrates, hold Volume Down
Note Note: Pressing the keys too early will cause the stock bootloader to handle the key combination. You will end up in the wrong Fastboot interface.
  • Recovery: Power on the device with both Power and Volume Up buttons

Focaltech touch buttons

Touchscreen reports buttons as ABS_X values.
You can map it to key events via python script

See also

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