This is the most common way to access bootloader mode without needing a computer. Enable Developer Mode on Android for EASY USB Debugging
If the tablet can boot into Android normally: How to Open Bootloader Mode on TECLAST New P40HD
Entering bootloader mode is often a precursor to unlocking it, which will completely wipe all personal data from the tablet. This is the most common way to access
Now that the bootloader is open, you can use . In Bootloader Mode, the adb commands no longer work. Instead, you use fastboot . In Bootloader Mode, the adb commands no longer work
Ensure your tablet has at least 50% battery to prevent it from powering off during critical steps. Enable USB Debugging & OEM Unlocking: Go to Settings > About Tablet .
To successfully open Bootloader mode and interact with it, you need to prepare both your tablet and your computer.
