: Boot your device manually into Recovery Mode (usually Volume Up + Power) and execute a Wipe Data / Factory Reset and Wipe Cache . If you need help with a specific device, let me know: What is the brand and model of your phone? What error code or issue are you facing? Are you trying to unbrick or backup the device?
This guide provides a detailed walkthrough for understanding, locating, and using an (often named scatter_emmc.txt or similar). MT6577 Android scatter emmc.txt
The stock or custom recovery environment (like TWRP) used for factory resets and offline updates. Medium (Loss of recovery access). secro.img : Boot your device manually into Recovery Mode
| Partition | Function | Size (typical) | |-----------|----------|----------------| | | First-stage bootloader (initializes DRAM, loads DSP_BL) | 256 KB | | DSP_BL | Digital signal processor bootloader (modem/audio DSP) | ~256 KB | | MBR / EBR1 | Master Boot Record + Extended Boot Record for partitioning | 1 sector each | | PRO_INFO | Product info (LCD, sensor, battery config) | 5 MB | | NVRAM | Wi-Fi/BT MAC, IMEI, calibration data | 5 MB | | PROTECT_F / PROTECT_S | Factory & security data (encrypted) | 2 MB each | | UBOOT | LK (little kernel) bootloader – fastboot, boot selection | 512 KB | | BOOTIMG | Kernel + ramdisk | 6–8 MB | | RECOVERY | Recovery system (kernel + recovery ramdisk) | 6–8 MB | | ANDROID | System partition (read-only) | 1–1.5 GB | | CACHE | OTA, temporary system cache | 256–512 MB | | USRDATA | User data + internal storage | Remaining space | Are you trying to unbrick or backup the device
Identifies the part of the phone (e.g., SYSTEM , RECOVERY ).
- PART_NAME: cache - offset: 0x17200000 - size: 0x04000000 - type: 0
A standard MT6577_Android_scatter_emmc.txt file looks similar to this, structured by partition: