Flash the patched boot file: fastboot flash boot [name_of_patched_file].img Reboot your device: fastboot reboot
Use the Lenovo Rescue and Smart Assistant (LMSA) tool on a Windows PC to download the official firmware for your Go to product viewer dialog for this item. Extract the firmware and find the boot.img file. Copy boot.img to your tablet and install the Magisk App.
Elias knew the anatomy of the TB8505F. Most users tried to breach the system from the software side—USB debugging, ADB commands—but Lenovo had patched the easy exploits. He needed a specific Engineering Bootloader, a file so rare it was whispered about only in the darkest corners of the XDA Developers forums.