Xiaomi Redmi 7A (xiaomi-pine)
Appearance
This device is supported as part of a generic port. Refer to Generic MSM89x7 (qcom-msm89x7) for installation instructions and more information. |
![]() Xiaomi Redmi 7A running XFCE | |
Manufacturer | Xiaomi |
---|---|
Name | Redmi 7A |
Codename | xiaomi-pine |
Released | 2019 |
Type | handset |
Hardware | |
Chipset | Qualcomm Snapdragon 439 (SDM439) |
CPU |
4x1.95GHz 4x1.45GHz Cortex A53 |
GPU | Adreno 505 |
Display | 720x1440 |
Storage | 16 / 32 GB |
Memory | 2 / 3 GB |
Architecture | aarch64 |
Software | |
Original software The software and version the device was shipped with. |
Android (MIUI) 9 (MIUI 10) |
Extended version The most recent supported version from the manufacturer. |
Android (MIUI) 10 |
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. |
Mainline |
Generic port | Generic MSM89x7 (qcom-msm89x7) |
Device package |
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Kernel package |
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Flashing It is possible to flash the device with pmbootstrap flasher . |
Works
|
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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 |
Broken
|
Screen Display works. Ideally with sleep mode and brightness control. |
Partial
|
Touchscreen |
Works
|
Keyboard Build in physical keyboard |
Untested
|
Multimedia | |
3D Acceleration |
Broken
|
Audio Audio playback, microphone, headset and buttons. |
Broken
|
Camera |
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 |
Untested
|
Ambient Light |
Untested
|
Proximity |
Untested
|
Hall Effect Also known as flip cover sensor |
Untested
|
Power Sensor Sensor to monitor current, voltage and power. Not fuel gauge! |
Untested
|
Contributors
Users owning this device
- Chmod-rwx (Notes: works)
- Hitechshell
- Winbo-yml-exe (Notes: main phone, running lineageos 22.)
How to enter flash mode
- Fastboot: Power on the device with both and buttons.
- Recovery: Power on the device with both and buttons; and while holding , release .
Installation
- Follow the Installation guide and your device wiki page.
Warning: Flashing lk2nd is required, as it is a hard dependency. Without it the mainline kernel will not select the display panel (resulting in black screen on boot). |
Prebuilt dtbo images can be found here https://github.com/barni2000/dtbo-lk2nd/releases
$ pmbootstrap init # choose Vendor: qcom Device codename: msm89x7
$ pmbootstrap install
$ fastboot flash dtbo dtbo-xiaomi-pine.img
$ fastboot flash boot lk2nd.img # Build lk2nd from msm8952-mainline/lk2nd repo
$ pmbootstrap flasher flash_rootfs
Working UIs
Rotate screen (Downstream)
create file /etc/X11/xorg.conf.d/00-display-rotate.conf
and put this
Section "Device" Identifier "LCD" Option "Rotate" "CW" EndSection
also for rotate touchscreen you need to create udev file:
/etc/udev/rules.d/98-touchscreen-cal.rules
ATTRS{name}=="fts_ts", ENV{LIBINPUT_CALIBRATION_MATRIX}="0 1 0 -1 0 1"
See also
- pmaports!4114 Initial merge request
- TWRP for Xiaomi SDM439 Devices
- Lineageos wiki page
- lk2nd