| Tool / File | Purpose | | :--- | :--- | | | To flash the partitions without overwriting your whole OS. | | MTK USB VCOM Drivers | So your PC recognizes the phone in preloader mode. | | Liberty (or MTK Meta Utility) | Optional, for restoring IMEI via NVRAM. | | Scatter File (from your current ROM) | To tell SP Flash Tool where the NVRAM/NVDATA goes. | | Your phone’s original IMEI numbers | Found on your retail box or under the battery sticker. | | Windows 10/11 PC | Mac/Linux users will need a virtual machine. |
Features dedicated automated scripts for "Fix NV Data Corrupt" on the Redmi 13C without requiring complex address lookups.
After flashing a generic or another device's NVRAM file to fix the "Invalid IMEI" issue:
The NVRAM (Non-Volatile Random-Access Memory) and NVData partitions store your phone's unique hardware information [2]. This includes your [2]. REDMI 13C POCO C65-GALE-NVDATA NVRAM FILE FREE
SP Flash Tool (latest version) or a specialized MTK service tool (like MTK Client, UnlockTool, or Pandora Box).
Download the appropriate for your MIUI/HyperOS version. Steps to Restore:
If your Baseband is unknown, sometimes a stock ROM flash won't work because the partition is locked. In this case, an is required. This is a special factory firmware used on the production line to restore bricked devices. | Tool / File | Purpose | |
Once the flashing process completes successfully, disconnect your device. Boot into standard recovery mode (Hold Volume Up + Power).
Wait for a green checkmark window labeled to pop up. Step 6: Final Device Reboot Disconnect the USB cable from the phone.
The best tool for MediaTek devices to write permanent IMEI data. | | Scatter File (from your current ROM)
If the free methods don't work, sometimes the problem is deeper and requires more advanced commercial software that can bypass security flags or write to protected partitions. These tools are often used by repair shops.
: It is a key part of recovering from a "Dead Boot" after a failed downgrade or update.
Set the flashing drop-down mode to . Do not use "Format All + Download" as it destroys hardware encryption keys permanently.
: For standard flashing, you can use ADB/Fastboot to execute flash_all.bat scripts if you have the correct firmware files. Important Troubleshooting Tips
Stores critical device-specific data, including IMEI numbers, Wi-Fi MAC addresses, Bluetooth addresses, and radio calibration data.