Repair IMEI Redmi 12 [Fire/Heat] Original: No Bootloader Unlock (TrTools)
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Fix Null or Invalid IMEI on Redmi 12 without unlocking the bootloader. This guide by TrTools supports Android 14 and 15 updates, ensuring a stable repair on HyperOS.
Repairing the Redmi 12 (Codename: Heat / Fire) on the latest HyperOS 2.0 and 1.0 (Android 14 & 15) has become challenging due to RSA security protections. Most methods require unlocking the bootloader, which wipes data or voids the warranty. However, the latest solution by TrTools allows for Original IMEI Repair on devices with a Locked Bootloader. This method is highly effective for fixing Null IMEI, “No Service” issues, or baseband corruption after a bad update.
File & Repair Information
| Solution Name | Redmi 12 (Heat) Repair IMEI Original [TrTools] |
| Model Name | Redmi 12 (Codename: Heat / Fire) |
| Android Version | Android 14 & 15 Supported |
| OS Support | HyperOS 1.0 & HyperOS 2.0 |
| Bootloader Status | Locked Bootloader Supported (No Unlock Needed) |
| Tool Required | TrTools / Professional Hardware Tool |
| Key Feature | Repair Original IMEI, Fix Network, RSA Hardware Method |
Required Tools
- TrTools Professional: The main software required to execute the RSA hardware repair method.
- Hardware Modification: This process may require hardware intervention (RSA Method) as per TrTools guidelines.
- Xiaomi Drivers: Official Qualcomm/MTK Drivers (depending on the specific variant connection mode).
⚠️ DISCLAIMER: Professional Use Only
This solution is intended for repairing the Original IMEI of the device to fix network issues caused by software corruption. Changing the IMEI to a different number is illegal in many countries. We are not responsible for any misuse of this tool. This method is for educational and repair purposes only.