Xiaomi Redmi S2 / Redmi Y2 (xiaomi-ysl)
 | |
| Manufacturer | Xiaomi |
|---|---|
| Name |
Redmi S2 / Redmi Y2 |
| Codename | xiaomi-ysl |
| Released | 2018 |
| Type | handset |
| Hardware | |
| Chipset | Qualcomm Snapdragon 625 (MSM8953) |
| CPU | Octa-core 2.0 GHz Cortex-A53 |
| GPU | Adreno 506 |
| Display | 720 x 1440 IPS |
| Storage | 32 GB / 64 GB |
| Memory | 3 GB / 4 GB |
| Architecture | aarch64 |
| Software | |
| Original software | Android |
| Original version | 8.1 |
| FOSS bootloader | yes |
| postmarketOS | |
| Category | community |
| Pre-built images | yes |
| postmarketOS kernel | 6.7.5 |
| Unixbench Whet/Dhry score | 4109.86 |
| Flashing |
Works |
|---|---|
| USB Networking |
Works |
| Internal storage |
Works |
| SD card |
Works |
| Battery |
Works |
| Screen |
Works |
| Touchscreen |
Works |
| Multimedia | |
| 3D Acceleration |
Works |
| Audio |
Works |
| Camera |
Partial |
| Camera Flash | |
| Connectivity | |
| WiFi |
Works |
| Bluetooth |
Works |
| GPS |
Partial |
| Modem | |
| Calls |
Works |
| SMS |
Works |
| Mobile data |
Partial |
| Miscellaneous | |
| FDE |
Works |
| USB OTG |
Works |
| HDMI/DP | |
| Sensors | |
| Accelerometer |
Works |
| Magnetometer |
Broken |
| Ambient Light |
Works |
| Proximity |
Broken |
| Hall Effect |
Broken |
| Haptics |
Broken |
| Barometer | |
| Power Sensor |
Works |
| This device is based on the Qualcomm Snapdragon 450 (MSM8953). See the SoC page for common tips, guides and troubleshooting steps |
Maintainer(s)
Contributors
Users owning this device
Mainline kernel
| Parts | Hardware | Status |
|---|---|---|
| Chipset | MSM8953 | Works |
| GPU | Adreno 506 | Works |
| Modem | - | Partial |
| Touch Screen | fts_ts | Works |
| Fingerprint | goodix_fp | Broken |
| Accelerometer | BMI120 | Works |
| Magnetometer | AK09918 | Broken |
| Sound | msm8953sndcardm | Works |
| Notifications LED | AW2013 | Works |
| Panel | hx8394f, ili9881c, ili7807d | Works |
| Front Camera | S5K3P8SP | Partial |
| Main Back Camera | IMX486, OV12A10 | Broken |
| Second Back Camera | S5K5E8 | Broken |
Installation
- Follow the Installation guide
 |
Note: lk2nd is a hard dependency, without it the mainline kernel will not select the panel. |
$ pmbootstrap install
$ pmbootstrap flasher flash_lk2nd
$ pmbootstrap flasher flash_rootfs
How to enter flash mode
|
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. |
- 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
- Recovery: Power on the device with both Power and Volume Up buttons
Modem
Modem works since 6.7.2.
|
Note: Mobile data, SMS and Calls are working. Mobile data not works on every device. |
GPU
Works but with some glitches.
For fix firefox glitches
$ MESA_GLES_VERSION_OVERRIDE=2.0 firefox-esr
Photos
Unixbench
Phosh
