TWRP Device Tree for Xiaomi Redmi 12

The Xiaomi Redmi 12 (codenamed "fire") is an entry-level smartphone from Xiaomi.

It was announced and released in June 2023.

Device specifications

Feature	Specification
Chipset	Mediatek MT6769H Helio G88
CPU	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU	Mali-G52 MC2
Memory	4GB / 6GB / 8GB RAM (LPDDR4X)
Shipped OS	Android 13, MIUI 14
Storage	128GB / 256GB (eMMC 5.1)
SIM	Hybrid Dual SIM (Nano-SIM, dual stand-by)
MicroSD	Up to 1TB
Battery	5000mAh Li-Po (non-removable), 18W fast charge
Dimensions	168.6 x 76.3 x 8.2 mm (6.64 x 3.00 x 0.32 in)
Display	6.79", 1080 x 2460 pixels, IPS LCD, 90Hz (~396 ppi density)
Rear Camera 1	50 MP, f/1.8, (wide), PDAF
Rear Camera 2	8 MP, f/2.2, 120˚ (ultrawide)
Rear Camera 3	2 MP, f/2.4, (macro)
Front Camera	8 MP, f/2.1
Fingerprint	(side-mounted)
Sensors	accelerometer, compass

$~$

Working features so far

Blocking checks

• Correct screen/recovery size
• Working Touch, screen
• Working slot switching
• Backup to internal/microSD
• Restore from internal/microSD
• reboot to system
• ADB

Medium checks

• update.zip sideload
• UI colors (red/blue inversions)
• Screen goes off and on
• F2FS/EXT4 Support, exFAT/NTFS where supported
• all important partitions listed in mount/backup lists
• backup/restore to/from external (USB-OTG) storage
• backup/restore to/from adb (https://gerrit.omnirom.org/#/c/15943/)
• decrypt /data
• Correct date

Minor checks

• MTP export
• reboot to bootloader
• reboot to recovery
• poweroff
• battery level
• temperature
• encrypted backups (no option)
• input devices via USB (USB-OTG) - keyboard (not tested), mouse (works) and disks (works)
• USB mass storage export (unavailable)
• set brightness
• vibrate
• screenshot
• partition SD card

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How to build

1. Set up the build environment following the instructions here

2. In the root folder of the fetched repo, clone the device tree:

git clone https://github.com/AntarticShaurant/android_device_xiaomi_fire.git device/xiaomi/fire

3. To build:

export ALLOW_MISSING_DEPENDENCIES=true
. build/envsetup.sh
lunch twrp_fire-eng
mka bootimage

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Device picture