: For Amazon Fire tablets (the most common MT8163 devices), check XDA Developers or Hovatek .

| Feature | MT8163 (Tablet) | MT6580 (Phone) | MT6797 (Helio X20) | | :--- | :--- | :--- | :--- | | | preloader_mt8163.bin | preloader_mt6580.bin | preloader_mt6797.bin | | NAND/EMMC | eMMC 5.0 | eMMC 4.5 | eMMC 5.1 | | Region Count | 3 regions (EMMC_BOOT_1/2, USER) | 2 regions (no separate boot1) | 3 regions | | Typical system size | 2GB–4GB (sparse) | 1GB–2GB | 4GB–8GB |

| Partition | Purpose | |-----------|---------| | | 1st-stage bootloader, initializes DRAM | | PGPT / PMT | Primary GPT / Partition Manager Table | | NVRAM | Wi-Fi/BT MAC address, IMEI (no modem on MT8163 usually) | | UBOOT / LK | Little Kernel – second bootloader | | BOOTIMG | Kernel + ramdisk (Android boot) | | SEC_RO | dm-verity, AVB metadata | | ANDROID | System partition (read-only) | | USRDATA | User data + internal storage |

: This is the most modern method for newer MTK chips. You can use SP Flash Tool