Insert the storage media into the head unit. Most units will automatically detect the update, but if not, navigate to: > System > System Update .
A: Yes, uncheck “Userdata” and “Cache” in the flash tool, but if you are fixing VMM errors, a full wipe is strongly recommended. sp9853i 1h10 vmm firmware update full
: Most updates will wipe all existing data and settings; back up any important files before starting. Power Stability Insert the storage media into the head unit