Thank' s for this information. I have a securitycopy of a B306500.update file (version is 6.4) for my Drive Smart 65 -D. Now i want downgrade the firmware from 8.7 to this older version. Have you informations, how i must proceed for downgrade ?. Can i copy the old file to replace the actualy file ? or will this breack the device ?
additionaly i search version 7.* of file B306500.update.
I have noticed, that filename is always the same for this device, only Filesize differs..
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