I'm just wondering how far it's booting before it sticks on that image. Some units have 2 or more logo images, perhaps if its sticking on the 2nd one it maybe far enough into the boot to do an NV dump. Do you see a good image momentarily with the unit details followed by 'loading maps' at the base of the screen in small white print before it changes to that faulty image? Or does it just display the faulty one immediately with no white print at all?
EDIT: PS ... Try this anyway, unrar it onto a clean microSD, insert to the unit with it fully off, turn on and see if it shows 'Loader' near the top of the screen. If it does, wait until it finishes [it will try to reboot], then force it off. You should then have a file named 16_backup.bin in the root of the sd. If so, post it here as a zip or rar.
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