Xiaomi Mi Mix 3 (xiaomi-perseus)
Appearance
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Manufacturer | Xiaomi |
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Name | Mi Mix 3 |
Codename | xiaomi-perseus |
Released | 2018 |
Type | handset |
Hardware | |
Chipset | Qualcomm Snapdragon 845 (SDM845) |
CPU |
Octa-core (4x2.8 GHz Kryo 385 Gold 4x1.8 GHz Kryo 385 Silver) |
GPU | Adreno 630 |
Display | 1080 x 2340 AMOLED |
Storage | 64/128/256GB UFS2.1 |
Memory | 6/8GB |
Architecture | aarch64 |
Software | |
Original software The software and version the device was shipped with. |
Android (MIUI) 9.0 (MIUI 10) (Linux 4.9) |
Extended version The most recent supported version from the manufacturer. |
Android (MIUI) 10 (MIUI 12) |
postmarketOS | |
Mainline Instead of a Linux kernel fork, it is possible to run (Close to) Mainline. |
no |
Unixbench score Unixbench Whetstone/Dhrystone score. See Unixbench. |
6436.7 |
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
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Battery Charging and battery level reporting works |
Partial
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Screen Display works. Ideally with sleep mode and brightness control. |
Works
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Touchscreen |
Partial
|
Multimedia | |
3D Acceleration |
Works
|
Audio Audio playback, microphone, headset and buttons. |
Partial
|
Camera |
Broken
|
Camera Flash |
Works
|
IR TX |
Untested
|
Connectivity | |
WiFi |
Partial
|
Bluetooth |
Works
|
GPS |
Partial
|
NFC Near Field Communication |
Untested
|
Modem | |
Calls |
Partial
|
SMS |
Partial
|
Mobile data |
Partial
|
Miscellaneous | |
FDE Full disk encryption and unlocking with unl0kr. |
Untested
|
USB OTG USB On-The-Go or USB-C Role switching |
Broken
|
Sensors | |
Accelerometer Auto screen rotation works in desktops e.g. Phosh or Plasma Mobile |
Works
|
Magnetometer Sensor to measure magnetism |
Works
|
Ambient Light |
Works
|
Proximity |
Works
|
Hall Effect Also known as flip cover sensor |
Broken
|
Haptics |
Works
|
This device is based on the Snapdragon 845. See the SoC page for common tips, guides and troubleshooting steps |
How to enter flash mode
You have to press
+ to enter the bootloader.Installation
In order to install postmarketOS the bootloader must be unlocked. Unlocking is done by following the official process provided by Xiaomi (read the FAQ for detailed instructions).
Move contents of https://codeberg.org/Noi/perseus into $HOME/.local/var/pmbootstrap/cache_git/pmaports/device/community
(overwrite)
Run pmbootstrap init
and select xiaomi as vendor and perseus as device.
Follow the onscreen instruction and configure as your needs.
Build the system
pmbootstrap install
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During installation the kernel has to be compiled |
Flash the kernel and rootfs:
pmbootstrap flasher flash_kernel pmbootstrap flasher flash_rootfs --partition userdata fastboot erase dtbo fastboot reboot
WARNING: Do not reboot via the power button on the device! This can result in not all data being properly written to storage, corrupting the rootfs and resulting strange behaviour like postmarketOS getting stuck during boot! |
Always use fastboot reboot after flashing. |
Updating the bootloader
This involves downloading MIUI and extracting bootloader images to flash. Refer to the LineageOS wiki for more info.
Renegade Project
Has support, can boot PostmarketOS.
Xiaomi Mi Mix 3 Renegade Project Page
List of issues
WIP
Community Info
Contributors
- Ya_Code
- BigfootACA
- Noi
Users owning this device
See also
- GSMArena
- Schematics: https://www.gadget-manual.com/xiaomi/xiaomi-schematic-diagrams/xiaomi-mi-mix
- SDM845 Mainline kernel: https://gitlab.com/sdm845-mainline/linux
- Ya_Code's pmaports: https://gitlab.com/YaCodesDevelopment/pmaports-xiaomi-perseus