Standard scatter files found in old stock firmware may not always match updated partition layouts required by newer Android versions or custom ROMs. A "better new" scatter file ensures:
The scatter file is a plain text document that defines the and memory map of a MediaTek-powered device. For the MT3367 chipset, this typically includes configuration for roughly 24 partitions, such as the preloader, boot, recovery, system, and userdata. mt3367 android scattertxt better new
It tells tools like the SP Flash Tool exactly where each component of the firmware should be written in the eMMC storage. Why You Might Need a "Better New" Scatter File Standard scatter files found in old stock firmware
Understanding the MT3367 Android Scatter File: Updates and Optimization such as the preloader
MT3367 Firmware Configuration Guide | PDF | Computer Data - Scribd