: Go to the "Write Firmware" tab. Load the scatter file from the firmware folder you want to flash. Select the partitions you want to write (or select all) and click "Write".

Windows 7, 8, 10, or 11 (32-bit or 64-bit).

: Go to the "FRP-PATTERN-PRIVACY" menu (or the "Service" tab). Click on "RESET FRP" . Power off the phone, connect the USB cable, and wait for the process to complete.

Create full backups of phone partitions (including NVRAM/NVDATA) before flashing.

Improved the "Bypass Security" function to be faster (2–3 seconds) and enabled it for OPPO and VIVO devices to perform safe factory resets in flash mode.

From our research, here are the specific download links for the 2021 versions that are still functional on popular mirrors:

The digital workshop was cluttered with virtual tools, but for the technicians in the mobile repair underground, one name carried more weight than others in 2021: NCK Dongle.

: Navigate to the extracted folder, right-click the setup file (usually NckDongle_AndroidMTK_Setup_... ), and select "Run as administrator" .

Repair or restore corrupted IMEI numbers for both MTK65xx and newer MTK67xx/MTK68xx chipsets.

: Once the phone is detected, navigate to the "Unlock" tab. Select the appropriate unlock mode (usually "Direct Unlock" or "Read Codes") and click the action button. The tool will either display the unlock code or apply the unlock directly.

: Flashing official or custom ROMs using scatter files to update or restore phone software.

The story of version 2.7.7 began with the rise of secure boot platforms. Manufacturers were tightening security, making it harder for independent shops to reset forgotten patterns or repair corrupted IMEI data. The developers behind NCK knew they had to evolve. When the 2.7.7 update finally hit the servers, it brought with it a suite of features that simplified the complex world of flashing and unlocking.