How to Repair IMEI on Redmi Note 12 Pro 4G (Sweet_k6a) Without Losing Data – Locked Bootloader [HyperOS Guide]
If you’re looking to fix the IMEI on your Redmi Note 12 Pro 4G (Sweet_k6a) with HyperOS and a locked bootloader, without losing any data – you’re in the right place. In this guide, we’ll show you how to do it step by step using DFT Pro v5.08, safely and effectively.
⚙️ What You Need
DFT Pro v5.08 software
The first flash file (file_1)
The second flash file (file_2)
DIAG Mode enabled
USB Cable
PC or Laptop
🪛 Step-by-Step IMEI Repair Without Losing Data
Step 1: Enable DIAG Mode
To access DIAG mode, use the correct dial code for your device:
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Step 2: Open DFT Pro v5.08
Launch DFT Pro v5.08 on your PC.
Connect your phone with USB.
Load the first flash file (as shown in the image).
Use the “Multi Program” mode to flash.
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Step 3: Flash First File
Flash the first file using the correct loader settings in DFT Pro.
Make sure "Backup EFS Safe" and "Set Boot Prev Drive" options are checked.
Wait until flashing completes.
Step 4: Repair IMEI
After flashing the first file, proceed with your IMEI repair process in DFT Pro.
The DIAG mode should be active, and your phone will be recognized.
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Step 5: Flash the Second File
Once IMEI repair is successful, flash the second file to complete the process.
This will restore the necessary partitions and finalize your repair.
✅ Done! You’ve Repaired IMEI Without Losing Data
That’s it! Your Redmi Note 12 Pro 4G is now back with its original IMEI, data intact, and bootloader still locked – fully compatible with HyperOS.

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