How to Downgrade to 3.10 Using SHSH Blobs
- 1). Download and install the TinyUmbrella application onto your computer.
- 2). Plug the sync cable into the “Sync” port at the bottom of your iPhone device, then plug the other end of the cable into an available USB port on your computer.
- 3). Double-click the TinyUmbrella icon on your computer to launch the application. The application will automatically detect the iPhone connected to the computer.
- 4). Click the iPhone listing in the left menu, then click the “Advance” tab in the middle of the application window.
- 5). Click the “Save” button to save the current iOS SHSH blob codes, then click the “General” tab.
- 6). Select the “iPhone 3.10” option from the “Saved SHSH” listing, then click the “Enter Recovery” button near the top of the application window. This will place the device in recovery mode.
- 7). Click the “Restore” button in the next window to begin the downgrade process.