Device tree for Xiaomi 12 (codename Cupid)

Device specifications

Device	Xiaomi 12
SoC	Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)
CPU	Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU	Adreno 730
Memory	128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Shipped Android Version	12 (MIUI 13)
Storage	128/256GB
Battery	Li-Po 4500 mAh non-removable
Display	AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1100 nits (peak)

Device picture

Features

Works:

• ADB
• Decryption of /data (MIUI - 13)
• Screen brightness settings
• MTP
• Flashing (roms, images and so on)
• USB OTG
• Fasbootd
• Sideload (adb sideload update.zip)
• Reboot to bootloader/recovery/system/fasbootd
• F2FS/EXT4 Support
• Vibration support

Compile

First checkout minimal twrp with aosp tree:

repo init -u https://github.com/minimal-manifest-twrp/platform_manifest_twrp_aosp.git -b twrp-12.1
repo sync

Then add these projects to .repo/manifest.xml:

<project path="device/xiaomi/cupid" name="yarpiin/twrp_device_xiaomi_cupid" remote="github" revision="android-12.1" />

Finally execute these:

. build/envsetup.sh
lunch twrp_cupid-eng
mka recoveryimage ALLOW_MISSING_DEPENDENCIES=true # Only if you use minimal twrp tree.

To use it:

fastboot flash recovery out/target/product/cupid/recovery.img