Tip & How-To about Apple iPhone Smartphone

How to save SHSH blobs of your iPhone, iPod touch or iPad

One of the most important things that you need to do before trying to update, whether using custom or official IPSW, is to save your iDevice's SHSH blobs on Cydia's server. You should do it every time Apple releases new iOS update. That way, you are ensuring that you will be able to go back to the previous iOS version you have before updating (even if Apple stopped signing that version) and re-do the jailbreak for your iDevice. You can also downgrade to the oldest iOS version possible (e.g. from 4.1 to 3.1.2 on a 3GS) as long as you saved its SHSH on Cydia.

To save your iDevice's SHSH blobs, you need TinyUmbrella (TU):
For PC (Windows)
For Mac

NOTE: Download links above are for TU v4.30.05. If TU prompts you of a new version available, please update it first.

Procedure:

  1. Install TU then run after install Click on image to view larger...
  2. Connect your iDevice to the computer and click Save SHSH
  3. Wait until you see your current iOS version under the Saved SHSHs list.
Close TU after that and you're done! It's that easy. There's really no trick in doing it.

Go to Log (after General, refer to image above) to verify that Cydia has the SHSH blob for your current iOS version. It should look like this:

Click on image to view larger...

The ones written in green means Cydia now has your SHSH. Those in red means bad news, you're late for saving your SHSH. That's why I said on the first part of this tip that you should do this every time Apple releases new iOS updates.

If all goes well, you're now ready to update, restore, jailbreak and unlock!

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