STEP 1: Format your microSD card
STEP 2: Clean up the backup record
STEP 3: Restart your iPhone and backup again.
Format the microSD card will make sure there is no data to cause the error.
How to format microSD card?
Connect Qubii flash drive to PC
Right click the Qubii folder on PC
Plug Qubii into Mac
Launch Disk Utility, located in Applications > Utilities.
Locate the drive name"Qubii"from the left hand side of Disk Utility and click on it.
Click on the“Erase”tab across the top.
💖MAKTAR Reminder: Please remember that formatting the microSD card will clear up all the data in the microSD card. Please backup your data from microSD to computer before formatting.
After formatting the microSD card, please clean up the backup record in the Qubii app in order to backup from the beginning of your iPhone.
How to clean up the backup record?
Qubii setting > Backup information > Reset backup records
If you are still having trouble with -6 error message, please contact Customer Support for further assistance.
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