Ensure the preloader you are flashing is not the cause.
Ensure the battery is well-charged and inserted. Some devices require you to hold Volume Down while connecting to trigger the correct flash mode. Clean Contacts: sp flash tool status mmc error
: The scatter file identifies the storage type (eMMC vs. MTD/NAND). If the file says "eMMC" but your device uses a different hardware type, the tool fails. Ensure the preloader you are flashing is not the cause
Try using the option in SP Flash Tool. Warning: This will erase all data, including IMEI/NVRAM. Redmi Note 10
Try a different or patched Download Agent (e.g., MTK_AllInOne_DA.bin ).
For 2020+ Mediatek phones (Realme Narzo, Redmi Note 10, etc.), the MMC error is actually a hidden .