💡 : Use a high-quality 5V/2A power supply to avoid "boot loops" caused by low voltage.

| Partition | Size | Filesystem | Content | |-----------|------|------------|---------| | uboot | 4MB | Raw | U-Boot 2017.09 (Rockchip spl) | | trust | 4MB | Raw | OP-TEE/Trust OS | | misc | 1MB | Raw | BCB (bootloader message) | | resource | 8MB | Raw | Kernel DTBs and logo | | kernel | 16MB | Raw | Kernel Image (zImage) | | boot | 32MB | ext4 | ramdisk (Android boot) | | recovery | 32MB | ext4 | Recovery ramdisk | | backup | 32MB | Raw | Backup of critical partitions | | security | 16MB | Raw | Keystore/setup data | | cache | 256MB | ext4 | OTA and temporary data | | metadata | 16MB | ext4 | Metadata encryption | | system | 1536MB | ext4/f2fs | Android system image (read-only) | | vendor | 256MB | ext4 | Vendor-specific blobs and HALs | | oem | 64MB | ext4 | OEM custom apps | | userdata | Remaining | f2fs | User apps and data |

: Firmware updates include critical security fixes to protect against newer vulnerabilities. Common Devices & Firmware Sources