Twrp3021smt560tar File
Flashing a custom recovery always carries a risk. Ensure you have the correct file for your exact model. Using this on an incompatible device can hard-brick it.
The smt560 segment is the essential clue. This is a specific model identifier for a Samsung Galaxy Tab A 8.0 (2015). twrp3021smt560tar
This tablet runs on a Spreadtrum (now Unisoc) SC8830 processor with a 1.2GHz quad-core ARM Cortex-A7, 1.5GB of RAM, and an 8.0-inch 1024x768 display. It originally shipped with Android 5.0 Lollipop. Because this chipset is less common than Qualcomm or Exynos, finding proper TWRP support was historically difficult—which is why this file is so precious. Flashing a custom recovery always carries a risk
Putting pieces together: this looks like the filename or identifier for a TWRP recovery build distributed as a tar archive for a specific device/board (device ID 3021 on SMT560 platform). This tablet runs on a Spreadtrum (now Unisoc)
For the SM-T560, some developers have ported OrangeFox Recovery (a TWRP fork with more features) and even PBRP (Pitch Black Recovery Project). However, the stability of twrp3021smt560tar remains unmatched. If you want to install Android 9 or 10 via custom ROMs, you may need a newer TWRP (3.3.x or higher), but for Android 7.x and 8.x, version 3021 is ideal.
The .tar extension (Tape ARchive) is Samsung’s preferred packaging format for firmware and recovery files. Samsung devices use Odin (the PC tool for flashing factory binaries) which exclusively accepts .tar or .tar.md5 archives. Unlike the .img files used by most Android devices, a .tar package contains the raw recovery image wrapped for secure download via Odin.
Thus, twrp3021smt560tar is a complete, ready-to-flash TWRP 3.0.2-1 recovery image for the Samsung Galaxy Tab A 8.0 (SM-T560), packaged for Odin.

