Unlocking your tablet to install custom software often requires a factory reset, so back up your photos and files first. using Odin on your PC?
(Wi-Fi model). This file is not compatible with the SM-T561 (3G model). Mount Errors Twrp-3.0.2-1-sm-t560.tar
Backups are compressed by default and stored as .win files. A full Nandroid backup of a basic ROM usually takes 1.5–2 GB. Unlocking your tablet to install custom software often
For the SM-T560, none of the newer features matter because the device lacks A/B partitions, modern encryption, and developers never ported later TWRP versions. Twrp-3.0.2-1-sm-t560.tar
The partition table is non-standard compared to Qualcomm/Exynos. TWRP 3.0.2-1 for SM-T560 maps: