After a successful firmware update, many settings are wiped. You must reconfigure:
Now, go ahead and tackle that update with confidence! Your car's dashboard might just thank you for it.
: Go to Settings > System > About Device to note your current "App Version" and "Build Number". yt9218c firmware update
Updating the wrong firmware can your head unit (turn it into a non-functional black screen). The YT9218C is particularly sensitive to panel driver and touch driver mismatches.
Plug the USB drive into the USB port of the head unit (usually USB 1). After a successful firmware update, many settings are wiped
Contact the seller on AliExpress or eBay where you purchased the unit.
Locate the physical pinhole on the front panel of the head unit. : Go to Settings > System > About
Use a 4GB to 32GB USB flash drive. Format it to FAT32 . Do not use external hard drives or larger USB 3.0 drives, as the recovery system may fail to read them.