The phone screen may freeze on the boot logo, and the Maui Meta indicator will turn green, indicating a successful Meta Mode connection. Step 3: Write the Target Values
Hold the (or Volume Up, depending on the OEM) and connect the phone to the PC via USB.
The tool asked for the (Modem Database) file. Leo had to hunt down the original stock firmware just to extract this tiny piece of data. After three failed attempts where the connection timed out, he finally saw the green light. He typed in the 15-digit numbers from the sticker on the back of his phone—the original, legal identity of his device. All MTK IMEI Repair NVRAM Database Files With Tool Free
The progress bar crawled across the screen. 10%... 45%... 80%. The software sent the final command to write the data to the flash memory. Mt6771 Imei Repair
The MediaTek MT6771, commercially known as the Helio P60, is an octa-core processor widely used in popular mid-range devices from manufacturers like Oppo, Realme, Vivo, Xiaomi, and Ulefone.
[Device Off] ➔ Press Vol Keys + Insert USB ➔ BROM Exploit Triggers ➔ Security Bypassed ➔ NVRAM Written Step-by-Step Servicing Protocol
Download and install the latest version of the Maui Meta tool. Open the tool on your PC. Select the correct connection type, usually "USB COM." The phone screen may freeze on the boot
Click the "Connect" button. The tool will wait for the phone. Step 3: Connect the Phone in Meta Mode Turn off your Mt6771 smartphone completely.
: You must have the MediaTek VCOM USB Drivers installed so your PC can recognize the device in its preloader/meta state.
Browse your computer and select the BP database file ( BPLGUInfo... ) found in your stock firmware folder. This file teaches the tool how to read your phone's processor structure. Leo had to hunt down the original stock
The exact of your MT6771 device (e.g., Oppo F9, Realme 3, Tecno Phantom 9).
Never skip this step. Even a corrupted NVRAM is better than a completely blank brick. Open your chosen service tool (e.g., UnlockTool). Navigate to the or MTK tab. Power off the phone completely. Click on Read Back / Backup NVRAM .
Before attempting a repair, it is crucial to understand where the IMEI is stored on MediaTek architectures: