The POCO F1 (codenamed beryllium) was Xiaomi’s game-changing flagship killer featuring a Snapdragon 845 processor, liquid cooling technology, and modular design. If your device is experiencing performance throttling, heating issues, software instability, or custom ROM problems, this guide provides the official MIUI fastboot ROMs and custom recovery needed for complete system restoration.

Important Notice: Verify your device codename is beryllium before flashing. The POCO F1 has unique hardware including liquid cooling and is known for its exceptional custom ROM support. Flashing incorrect firmware will result in a non-functional device.

Quick Device Specifications

Device: POCO F1 (beryllium)
Release Year: 2018
Chipset: Qualcomm Snapdragon 845 (10nm) with LiquidCool Technology
Display: 6.18″ IPS LCD, 1080 × 2246 pixels (18.7:9)
Camera: 12MP + 5MP dual rear, 20MP front camera
Battery: 4000 mAh with Quick Charge 3.0
RAM: 6GB/8GB LPDDR4X
Storage: 64GB/128GB/256GB UFS 2.1
Special Feature: Modular design, IR face unlock, dedicated microSD slot
Original OS: Android 8.1 Oreo, MIUI 9 for POCO

Essential Downloads & Tools

File / Tool	Download Link
Xiaomi Mi Flash Tool	Download Stable Version
Qualcomm USB Drivers	Download Latest Drivers
TWRP Recovery	TWRP 3.2.3 for beryllium
ADB and Fastboot Tools	Official from Google
Mi Unlock Tool	Bootloader Unlock

Official Fastboot ROM Collection

Region / Variant	Build Version	Android	Release Date	Download Link
Global Stable	V12.0.3.0.QEJMIXM	10.0	2020-12-27	Download
Russia Stable	V12.0.3.0.QEJRUXM	10.0	2021-01-25	Download
Xiaomi.eu (Custom)	V12.0.3.0.QEJMIXM (Based)	10.0	—	Download
TWRP Recovery	3.2.3-1012	10.0	—	Download

Flashing Guide for POCO F1 (beryllium)

Method 1: Fastboot Flashing (Official)

Driver Installation: Install Qualcomm USB drivers on your computer.
Bootloader Unlock: Unlock bootloader using Mi Unlock Tool (requires waiting period).
Enter Fastboot Mode: Power off device, then hold Volume Down + Power buttons.
Flash Process:
- Extract the .tgz file to access firmware folder
- Open Mi Flash Tool and browse to extracted folder
- Select “Clean All” option for fresh installation
- Click “Flash” and wait for completion (5-7 minutes)
First Boot: Initial boot may take 5-10 minutes as system optimizes.

Method 2: TWRP Recovery (Custom)

Flash TWRP: fastboot flash recovery twrp.img
Boot to TWRP: Hold Volume Up + Power during boot
Backup Partitions: Backup persist and modem partitions first
Install Custom ROM: Flash Xiaomi.eu or other custom ROMs from storage
Wipe Data: Format data for clean installation

Frequently Asked Questions (FAQs)

Q1. Why is my POCO F1 overheating during gaming?
The Snapdragon 845 can generate heat under load. Ensure you’re using the latest firmware that optimizes the LiquidCool technology. Also consider cleaning dust from the cooling vents.

Q2. Can I upgrade to Android 11 or 12 on POCO F1?
Yes! While Android 10 was the final official version, the POCO F1 has exceptional custom ROM support. You can install Pixel Experience, LineageOS 19, or other custom ROMs based on Android 12/13 through TWRP.

Q3. Why is the touchscreen not responsive after flashing?
This is usually due to outdated firmware. Flash the latest stock ROM to ensure proper touch driver compatibility. The POCO F1 had several touch panel variants that require specific firmware.

Q4. How can I improve battery life on my POCO F1?
The 4000mAh battery provides good endurance. After flashing, calibrate the battery, use battery optimization features, and consider custom kernels for better power management.

Device-Specific Troubleshooting

Touchscreen Issues: Various touch panel manufacturers were used. Flash latest stock ROM for proper driver support.
Heating Management: The LiquidCool technology requires proper firmware for optimal thermal management.
Battery Optimization: The 4000mAh battery benefits from calibration after flashing.
Performance Throttling: Use performance monitoring apps to check for thermal throttling during heavy usage.