If you’re looking to breathe new life into this vintage slate, a is your best bet. In this guide, we’ll explore why you should consider a custom ROM, what’s available, and how to get it done safely. Why Install a Custom ROM on the T1-701u?
You cannot flash a ROM without unlocking the bootloader first.
Ensure the ROM you download is specifically for the u variant (T1-701u), as flashing files for the T1-701g can hard-brick the device. How to Install a Custom ROM (General Steps)
Most custom ROMs for this device are "debloated," meaning they remove the heavy background processes that slow down the tablet.