In TWRP: Backup → System, Data, Boot, EFS (critical for 4G).
The SM-T285 is the Wi-Fi + 4G LTE model (Spreadtrum/Unisoc SC9830 chipset). The Wi-Fi-only model is SM-T280. ROMs are not interchangeable . samsung galaxy tab a6 smt285 custom rom
faced early hurdles because its hardware was distinct from the Wi-Fi-only SM-T280, meaning ROMs weren't always cross-compatible. The Turning Point: LineageOS 14.1 The real "rebirth" for the In TWRP: Backup → System, Data, Boot, EFS
If you overclock, use "Kernel Adiutor" to set the max frequency to 1.7GHz for daily use. In TWRP: Backup → System