The error in 3uTools (especially on a new device or new iOS version) typically means 3uTools cannot retrieve SHSH blobs from Apple’s servers for that specific device + iOS combination.
Before diving into the error fix, let’s understand the basics.
Install the newest available version and restart the program. 2. Switch from Easy Flash to iTunes Flash
If the firmware is unsigned, you cannot install it unless you have previously saved SHSH blobs for that exact device. Download the latest signed version instead. 2. Update 3uTools to the Latest Version
Ensure there is a green status next to the firmware you downloaded.
The error in 3uTools (especially on a new device or new iOS version) typically means 3uTools cannot retrieve SHSH blobs from Apple’s servers for that specific device + iOS combination.
Before diving into the error fix, let’s understand the basics.
Install the newest available version and restart the program. 2. Switch from Easy Flash to iTunes Flash
If the firmware is unsigned, you cannot install it unless you have previously saved SHSH blobs for that exact device. Download the latest signed version instead. 2. Update 3uTools to the Latest Version
Ensure there is a green status next to the firmware you downloaded.
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