Make sure the firmware file is in the root directory and not inside a folder. Error: "Invalid Upgrade File"
Are you currently using the or the Global/International firmware ? update firmware wanbo t2 max link
Go to Settings → Projector Settings → Image Orientation → Change from “Front” to “Inverted” or vice versa. Make sure the firmware file is in the
If the OTA method finds no updates, or if you have a specific firmware file, you can use the USB manual method. This is the most thorough way to perform an update or attempt to recover a projector with software issues. update firmware wanbo t2 max link
Format the drive on a computer using the . NTFS or exFAT configurations will not be recognized by the recovery bootloader.