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Xiaomi Redmi S2 / Redmi Y2 (xiaomi-ysl): Difference between revisions

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Line 9: Line 9:
| originalsoftware = Android
| originalsoftware = Android
| originalversion = 8.1  
| originalversion = 8.1  
| pmoskernel = 6.5.2
| pmoskernel = 6.6.12
| chipset = Qualcomm Snapdragon 625 (MSM8953)
| chipset = Qualcomm Snapdragon 625 (MSM8953)
| cpu = Octa-core 2.0 GHz Cortex-A53
| cpu = Octa-core 2.0 GHz Cortex-A53

Revision as of 04:39, 25 January 2024

Xiaomi Redmi S2
Redmi Y2
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
The software and version the device was shipped with.
Android 8.1
Extended version
The most recent supported version from the manufacturer.
Android
FOSS bootloader yes
postmarketOS
Category community
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.
6.6.12
Unixbench score
Unixbench Whetstone/Dhrystone score. See Unixbench.
4109.86
Device package device-xiaomi-ysl
Kernel package linux-postmarketos-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
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
Broken
Connectivity
WiFi
Works
Bluetooth
Works
GPS
Broken
Modem
Calls
Partial
SMS
Partial
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
Broken
Ambient Light
Broken
Proximity
Broken
Hall Effect
Also known as flip cover sensor
Broken
Power Sensor
Sensor to monitor current, voltage and power. Not fuel gauge!
Works


Maintainer(s)

Users owning this device


Mainline kernel

Parts Hardware Status Notes
Chipset MSM8953 Works Mainline fork is available.
GPU Adreno 506 Works GPU and Hardware acceleration are working with some graphical issues.
Modem - Partial There's partial support for it in a IPA branch, the driver probes and configures everything, but mobile data still doesn't work.
Touch Screen fts_ts Works Works fine without any issues.
Fingerprint goodix_fp Broken No mainline driver.
Accelerometer BMI120 Works Has mainline driver, but wasn't merget yet.
Magnetometer AK09918 Broken No mainline driver.
Sound msm8953sndcardm Works Works as expected. Needs alsa UCM config from this package.
Notifications LED AW2013 Works Activating on notifications.
Panel hx8394f, ili7807d, ili9881c Works All of the panels are working.
Front Camera S5K3P8SP Broken No mainline driver.
Main Back Camera IMX486 Broken No mainline driver.
Second Back Camera S5K5E8 Broken No mainline driver.

Installation

Note 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

  • 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

Device Notes

Modem

Modem works with work in progress IPA patches 1

Note Note: Mobile data is not working only calls and sms, do not enable mobile data it cause reboots.

Photos

See also