This article on XDA Developers provides an explanation of what MTK addr files are, their purpose, and how they are used in MTK-based devices.
0x380000 0x500000
: Without these addresses, a flashing tool—like the SP Flash Tool —doesn’t know where one piece of software ends and another begins. 🛠️ The Restoration Process mtk addr files
bkerler/mtkclient: Mediatek Flash and Repair Utility - GitHub This article on XDA Developers provides an explanation