The tool will display a success message confirming the protection is disabled. Step 2: Configure SP Flash Tool Open as an administrator.
Click "Download to Flash" to write the IMEI back to the NVRAM. Disconnect: Close the tool and restart your phone. Important Safety Warnings
When the NVRAM partition on your MT6768 device becomes corrupted or wiped (often due to selecting "Format All + Download" in SP Flash Tool), your phone will exhibit distinct symptoms:
: Supports both "Backup NVRAM" and "Restore NVRAM" functions and can also format NVRAM/NVDATA to fix "Unknown Baseband" issues. Hydra Tool mt6768 nvram file
Without valid RF calibration, the modem will refuse to register on cellular networks (no service).
MTK Client is a powerful, modern command-line GUI tool built specifically for MediaTek chipsets. Download and launch . Power off the phone and connect it to the computer. Navigate to the Partition Manager tab. Select the nvram (and optionally nvdata ) partition.
, verify that the file header matches MT6768. Open the file in a hex editor (like HxD). You should see strings like NVRAM , MT6768 , or board IDs. The tool will display a success message confirming
Always create a full backup of your NVRAM partitions before any modifications to stock firmware, unlocking the bootloader, or using SP Flash Tool. A "Format All + Download" in SP Flash Tool will wipe these partitions, causing "Unknown IMEI," baseband loss, "No SIM Card," and no Wi-Fi/Bluetooth. A clean NVRAM backup allows a full, reliable restoration to recover your device to full working order.
Click to save the backup image to your computer. How to Restore or Flash an MT6768 NVRAM File
: Flashing someone else's NVRAM file will give you their IMEI. It is often illegal to change an IMEI; ensure you restore your original numbers using the manufacturer's labels. Disconnect: Close the tool and restart your phone
What is the of your phone? (e.g., Xiaomi Redmi 9, Samsung A22) Do you already have a scatter file or an NVRAM backup ?
If you are using a file downloaded from the internet (a generic NVRAM backup), it will restore connectivity, but it will to the IMEI associated with that backup file. Restoring the original NVDATA (if you backed it up) restores your original IMEI.
A phantom Wi-Fi network appears in your settings named "NVRAM WARNING: Err = 0x10" or similar.
The map file found inside the official stock firmware package matching your exact phone model.