To accommodate a larger custom ROM:
Devices using the MT8163 chipset generally follow a structured layout with approximately 25 to 27 partitions. Essential partitions include: Partition Index Description The first stage bootloader that initializes the hardware. Contains the Android kernel and ramdisk. Used for system repairs, wipes, and updates. The main Android OS partition. Stores user apps, data, and internal storage files. Practical Applications Firmware Backup
for a particular device like an Amazon Fire tablet or a car head unit? powkiddyx/MT8163_Android_scatter.txt at master - GitHub
A Scatter File is a text file that contains information about the memory and storage layout of a MediaTek device. It is used by the device's firmware to configure the memory and storage settings, such as the location of the bootloader, kernel, and root filesystem. The Scatter File is a critical component of the device's firmware, and it plays a crucial role in the boot process of the device.