Power off your device completely. Click the "Download" button in SP Flash Tool. While holding the appropriate key combination (usually Volume Down or Volume Up) to force the device into preloader mode, connect your phone to the computer via a USB cable.
: Various Y-series models like the Vivo Y33s and Y21 (specific variants).
Wait until a window appears showing a green checkmark labeled .
Use this for standard unbricking, upgrading, or fixing boot loops. It only updates changed partitions and preserves critical security data. Firmware Upgrade: Use this if changing Android versions.
The MT6769Z (Helio G85) is found in several popular mid-range smartphones. You will typically need this specific scatter file if you are working with: Redmi Note 9 , Redmi 12C, and Redmi 13C. Vivo: Vivo Y21s , Vivo Y33s. Realme: Realme C25s, Realme Narzo 50A. Oppo: Oppo A18, Oppo A58 . Technical Review: Pros & Cons Reliability mt6769z scatter file
If a bad software update or a corrupted custom ROM breaks your phone, the scatter file allows tools to re-partition and rebuild the storage from scratch.
The partition structure on your phone does not match the scatter file you loaded. Double-check that you downloaded the exact firmware version for your specific device model.
—this can erase the NVRAM and IMEI, leading to loss of network connectivity.
Always remember: with great power comes great responsibility. Use scatter files only from trusted sources, always maintain complete backups, and never flash firmware intended for a different model. Whether you're rescuing a bricked device, preparing to install a custom ROM, or simply learning the ropes of Android maintenance, the scatter file is your most reliable guide through the complexities of MediaTek's memory architecture. Power off your device completely
Click the button next to the Scatter-loading File field.
Disclaimer: Flashing stock firmware wipes all user data and carries a risk of device damage. Proceed with caution and ensure your computer has a stable power supply. Step 1: Install Drivers and Disable Driver Signature Install the MediaTek USB VCOM drivers on your computer.
userdata : The largest partition, dedicated to user files and applications. How To Use SP Flash Tool (Full Guide)
The tool will detect the device and output a success message confirming the bootloader protection is temporarily paused. Keep the cable connected. Step 3: Configure SP Flash Tool Launch flash_tool.exe as an administrator. : Various Y-series models like the Vivo Y33s
The MT6769Z belongs to the broader MT6769 chipset family, which includes several variants:
Extract your downloaded stock ROM zip folder to an easily accessible directory on your PC (e.g., C:\MTK_Firmware ). Ensure the MT6769Z_Android_scatter.txt file is present inside the image directory. Step 2: Launch SP Flash Tool
(SmartPhone Flash Tool) is MediaTek’s official utility for low-level firmware flashing. It operates at the chip level, bypassing the Android system entirely, making it the go-to solution for bricked devices.
Do not download scatter files from random file-sharing websites. A mismatch in partition sizes or addresses can permanently brick your device.