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Xiaomi Redmi 4 Standart (xiaomi-prada)

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 4 Standart
xiaomi-prada showing fastfetch
xiaomi-prada showing fastfetch
Manufacturer Xiaomi
Name Redmi 4 Standart
Codename xiaomi-prada
Released 2016
Type handset
Hardware
Chipset Qualcomm Snapdragon 430 (MSM8937)
CPU Octa-core 1.4 GHz Cortex-A53
GPU Adreno 505
Display 720x1280 IPS
Storage 16/32 GB
Memory 1/2/3 GB
Architecture aarch64
Software
Original software
The software and version the device was shipped with.
Android (MIUI) 6.0.1
Extended version
The most recent supported version from the manufacturer.
Android (MIUI)
FOSS bootloader lk2nd
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.
6.13
Generic port Generic MSM89x7 (qcom-msm89x7)
Device package device-qcom-msm89x7
Kernel package linux-postmarketos-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
Works
IR TX
Broken
Connectivity
WiFi
Works
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
Works
Magnetometer
Sensor to measure magnetism
Works
Ambient Light
Partial
Proximity
Works
Haptics
Broken


Installation

Note Warning: Flashing lk2nd is required, as it is a hard dependency.
$ pmbootstrap init # choose Vendor: qcom Device codename: msm89x7
$ pmbootstrap install
$ fastboot flash boot lk2nd.img # Build it from msm8916-mainline/lk2nd
$ pmbootstrap flasher flash_rootfs

Device Notes

Sensors

Connected to i2c-gpio

Sensor Model Status
Accelerometer/Gyroscope bosch,bmi120 (bosch,bmi160) Works
Light/Proximity liteon,ltr559 (liteon,ltr501) Works
Magnetometer yamaha,yas537 (yamaha,yas530) Works

UART

The working voltage is 1.8 V. Warning: the test points are very small, soldering is not recommended. It's probably better to just hold a wire with a hard thin end with your hands.

How to enter flash mode

[Power] + [Vol-] to fastboot mode

Users owning this device

  • NekoCWD (Notes: Lab rat, running postmarketOS)

Maintainer(s)

See also