Translations:Amlogic TV boxes/48/en
From Manjaro
Swipe (drag the button with your USB mouse) to allow modifications. On the main TWRP menu, choose Backup. The only partition we want to backup is the Boot partition, which should already be selected. Deselect the Data partition if that is auto-selected then click Select Storage, choose the Micro SD card then swipe to backup the boot partition. It should only take a few seconds before you are given the option to reboot.