All information disabilities and how to use 3uTools
3utools can restore all ios devices to be compatible with ios firmware downgraded to some ios devices such as iphone 4 and 3gs by backing up shsh files, ios firmware compatibility,
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How to use 3uTools to move data on iOS devices?
3utools is a tool that allows users to exchange, copy photos, music, backup or restore data for idevice. this tool can restore all ios devices to be compatible with ios firmware