), customizing your firmware can extend the life of this 2014-era tablet by upgrading it from the stock Android 4.2/4.4 to newer versions like Android 7.1.2 (Nougat) Popular Custom ROM Options
Using TWRP, create a of your stock ROM (Boot, System, Data). This is your lifeline to go back if something goes wrong. Lenovo A5500-hv Custom Rom