How to Back Up Apple TV Blobs
Back up AppleTV blobs by saving them on your computer with TinyUmbrella. SHSH stands for Signature Hash, and SHSH blobs are the secure signature hash files used by your iOS device. These signature files are used by the Apple Server to verify the version of your iOS. The AppleTV sends a request to the Apple Server, and the server sends back the SHSH blob file. If you save the blob file, you can send it to the Apple Server to trick it into thinking that your device is using the latest updated version of iOS. This is useful if you wish to unlock or jailbreak your device, which is done by having it run on an older version of the iOS firmware.
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Instructions
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1
Download and install Tiny Umbrella (see Resource 1) onto your PC.
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2
Right-click on the "umbrella.exe" icon. Select "Run as Administrator." If the Windows Security Alert dialog box appears on-screen, click the boxes next to "Private Networks" and "Public Networks" to select them. Click "Allow Access."
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3
Turn on your AppleTV, and connect it to your PC with a micro USB cable. In the TinyUmbrella window, click on the "Connect a Device" arrow to expand it, and select your AppleTV from the list.
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4
Click "Advanced Options." Select "AppleTV 4.1" for "Requested Version" and "Cydia" for "Request From."
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5
Find the ECID of the AppleTV. Click on Apple logo, select "About this Mac," and then click "More Info." Select "System Profiler;" then click "USB" tab. Copy the ECID, and then paste it into the ECID text field on the TinyUmbrella window.
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6
Click "Save SHSH." If the program saved your SHSH blob, you will get a "SHSH Successfully Saved!" message in the "Log" screen of the TinyUmbrella window.
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References
Resources
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