SRAM_BASE = 0x00100000 SRAM_SIZE = 0x00030000 DRAM_BASE = 0x40000000 BOOTROM_BASE = 0x00000000
Every smartphone has a storage chip (eMMC or UFS) partitioned into several sections. Unlike a desktop PC where a file system handles most placements, mobile devices during the "flashing" or recovery process require precise hexadecimal memory addresses. The "addr" (address) information tells tools like SP Flash Tool the starting point and length of partitions such as: Preloader: The initial code that wakes up the processor. The failsafe environment for updates. System/Userdata: The actual Android OS and your personal files. Key Components of an MTK Scatter File A standard MTK address file is typically formatted as a Scatter File
In the world of Android maintenance, these files serve two primary functions: mtk addr files
vendor/mediatek/proprietary/tools/emigen/inc/ vendor/mediatek/proprietary/bootloader/preloader/platform/<chipset>/inc/
In a TRACE32 practice script ( .cmm ):
adb shell su cat /proc/partitions ls -l /dev/block/by-name/
Sometimes they include:
Then, map each partition’s start address using:
Without a correct MTK ADDR file, attempting to flash firmware is like trying to navigate a foreign city without a map. You might overwrite critical bootloaders, corrupt the NVRAM (IMEI storage), or permanently brick the device. SRAM_BASE = 0x00100000 SRAM_SIZE = 0x00030000 DRAM_BASE =
Before modifying a device, professionals use addr files to perform a "Read-back," which copies the existing data from specific memory ranges to a PC for safekeeping. Conclusion
files or memory address maps) serve as the fundamental blueprint for communication between hardware and software. These files act as a "GPS" for flashing tools, defining exactly where every piece of data—from the operating system to the bootloader—should reside in the device's physical storage. The Purpose of Address Mapping The failsafe environment for updates