If you accidentally rebooted into the system before TWRP "fixed" the boot partition, you may need to re-flash the .tar file.
owners, this was a massive turning point. By using a tool called on a PC, users would flash this .tar file onto their tablets. twrp3021smt560tar upd
The .tar file is with these flags:
TWRP (Team Win Recovery Project) is an open-source software custom recovery image for Android-based devices. Version was a milestone release for the Tab E (Spreadtrum variant), introducing a fully touch-driven interface and support for decrypting partitions, which is essential for modern Android modding. File Details: Filename: twrp_3.0.2-1_sm-t560.tar If you accidentally rebooted into the system before