TWRP device tree for Redmi K50 (rubens)

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The Redmi K50 (codenamed "rubens") is a high-end, mid-range smartphone from Xiaomi.

It was released in March 2022.

Device specifications

Basic	Spec Sheet
CPU	Octa-core CPU with 4x Arm Cortex-A78 up to 2.85GHz
Chipset	Mediatek Dimensity 8100
GPU	Mali-G610 MC6
Memory	8/12 GB RAM (LPDDR5 6400Mbps)
Shipped Android Version	12
Storage	128/256/512 GB (UFS 3.1)
Battery	Li-Po 5500 mAh, non-removable
Display	1440 x 3200 pixels, 6.67 inches, 60/120 hz

Features

Works:

• ADB
• Decryption (Android 13)
• Display
• Fasbootd
• Flashing
• MTP
• Sideload
• USB OTG
• Vibrator

Compile

First checkout minimal twrp with aosp tree:

repo init --depth=1 -u https://github.com/minimal-manifest-twrp/platform_manifest_twrp_aosp.git -b twrp-12.1
repo sync -j$(nproc --all)

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

<project path="device/xiaomi/rubens" name="D8100-9000-TWRP-Device-Tree/device_xiaomi_rubens-TWRP" remote="github" revision="twrp-13" />

Finally execute these:

source build/envsetup.sh
repopick <needed patch>
lunch twrp_rubens-eng
mka vendorbootimage -j$(nproc --all)

To use it:

fastboot flash vendor_boot out/target/product/rubens/vendor_boot.img