Xiaomi Redmi 3S (xiaomi-land)
Appearance
	
	
| This device is supported as part of a generic port. Refer to Generic MSM89x7 (qcom-msm89x7) for installation instructions and more information. | 
|  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 The software and version the device was shipped with. | Android (MIUI) 6.0.1 (MIUI 9.2) | 
| Extended version The most recent supported version from the manufacturer. | Android (MIUI) | 
| 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. | 6.15 | 
| 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 | 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 Handles automatic screen rotation in many interfaces. | Broken | 
| This device is based on the Snapdragon 430. See the SoC page for common tips, guides and troubleshooting steps | 
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: No longer with me)
How to enter fastboot mode
With the phone powered off, hold and buttons simultaneously. Release when you feel a vibration and the fastboot screen shows up.
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
$ pmbootstrap flasher flash_lk2nd
$ pmbootstrap flasher flash_rootfs
ISSUES
| 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.
