Xiaomi Redmi 4 Standart (xiaomi-prada)
Appearance
	
	
| This device is supported as part of a generic port. Refer to Generic MSM89x7 (qcom-msm89x7) for installation instructions and more information. | 
|  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 | 
| Flashing Whether 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 Whether charging and battery level reporting work. | Works | 
| Screen Whether the 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 Handles automatic screen rotation in many interfaces. | Works | 
| Magnetometer Sensor to measure the Earth's magnetism | Works | 
| Ambient Light Measures the light level; used for automatic screen dimming in many interfaces. | Partial | 
| Proximity | Works | 
| Haptics | Broken | 
| This device is based on the Snapdragon 430. See the SoC page for common tips, guides and troubleshooting steps | 
Installation
- Follow the Installation guide
| 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)