The benefits of updating the firmware on Allwinner A133-based devices are numerous:
# Backup current bootloader dd if=/dev/mmcblk0 of=/sdcard/boot_backup.bin bs=1M count=32
Q: What if I encounter issues during the update process? A: If you encounter issues during the update process, contact your device manufacturer for support.
This is the most common method for tablets and handheld devices.
If you need to unbrick a device or force an update, you must use a computer. Allwinner uses specific tools for this process.
Here is a draft of interesting content centered around an Allwinner A133 firmware update: Leveling Up the Allwinner A133: More Than Just a Bug Fix
