On MT6589, the eMMC chip has a specific CID (Card Identification) and CSD. The scatter file addresses are physical block addresses. If you replace the eMMC (e.g., upgrade from 4GB to 8GB), the scatter file must be regenerated to account for the new total capacity, especially the FAT partition at the end.
| Use Case | Feature |
|----------|---------|
| Unbrick phone | Write preloader + uboot via eMMC raw access |
| Custom ROM install | Flash system, boot, recovery from scatter |
| Backup NVRAM/IMEI | Read nvram partition before flashing |
| Resize partitions | Edit scatter + repartition (requires reformat) |
Cause: Preloader mismatch or damaged eMMC boot partition.
Fix: Try another scatter file. If still fails, eMMC may need low-level formatting via brom_ext or META mode. mt6589 android scatter emmc
Cause: USB power drop or driver conflict. Fix: Use USB 2.0 port, disable power management for USB root hubs, reinstall VCOM drivers.
Reality: MT6589 doesn’t use NAND; it uses eMMC. This error means the eMMC is either: On MT6589, the eMMC chip has a specific
Fix: Desolder eMMC, read via adapter, rewrite preloader.
Check the following before flashing:
If you previously backed up your phone using MTK Droid Tools (a famous tool for legacy MTK devices), you will find a MT6589_Android_scatter_emmc.txt file in the backup folder. This is the safest file to use.
Full firmware restore (wipes data)
Extracting current partition layout from device