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WooTechy iMaster is a desktop application. Please sumbit your email address to get the download link now.

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  • Downgrage iOS to any supported version without data loss
  • Upgrade iOS without manual operation free of charge
  • Easily back up all your iPhone/iPad data at any time
From Sophia
With the help of iMaster, I successfully downgrade my iPhone without jailbreak.
From Leon
Thanks to WooTechy iMaster, I can upgrade my device to the latest iOS 14 for free. Very nice app!
From Diego
WooTechy iMaster can back up all iOS data by a few clicks. Much easier than iTunes!
Or you can copy the download links by yourself

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