IPhone 3G owners often complain about the deterioration of the device's performance after installing new firmware. Indeed, the iPhone 3G is not very fast on the latest firmware. The situation can be easily corrected by rolling back the software to one of the previous versions. Let's see how you can do this.
It is necessary
ITunes software installed on the computer and the required firmware version
Instructions
Step 1
If you managed to flash your iPhone, then you probably already have iTunes installed on your computer. If not, then you can download the program on the official Apple website at www.apple.com in the iTunes section. In addition to iTunes, you also need the firmware that you would like to return to. You can download any firmware on the www.apple-iphone.ru forum a
Step 2
So, you have iTunes installed and the firmware file downloaded. Launch iTunes and connect your iPhone to your computer using a USB cable. From the menu on the left, click on the icon for your iPhone. On the main window, click the "Restore" button to back up all your iPhone's data. After the backup is complete, press the Update button while holding down the Shift key. Select the firmware file from the folder on your computer and click "Open". The firmware will be rolled back to the version you selected.
