iphone4 how to flash ios7

Now the official version of ios7 has been released, iphone4 can be directly upgraded to ios7, you select general in the settings of iphone4, and then select the option to check for updates, iphone4 will prompt that there is an update available, after determining the update, iphone4 itself will complete the firmware ** and update, after restarting you can use ios7 system iphone4.

If the wireless network speed is not ideal, you can also connect the iPhone4 to the computer to open iTunes, then the software will have the same upgrade prompt, after the confirmation can be updated, **The speed is faster than using the wireless network.

In addition, it should be noted that due to hardware limitations, iPhone4 will have obvious lag after upgrading to iOS7, and iPhone4 cannot be downgraded after upgrading, so you should consider it carefully before upgrading.

Method 2You can go to the mobile phone store and ask them to help you make a new system, this ** is not necessarily, it should not exceed 50

Method 3You can try to jailbreak, but let's not talk about this, the system is not safe after jailbreaking, and it is easy to be poisoned.

iPhone4 flashing method steps.

2. Start the backup1. Connect your iPhone4 and open iTunes Select your device in the sidebar: 2. Check if the Address Book, Contacts, iCalendar, Mail account, etc. are selected in the Info tab. 3. Check if "Sync Apps" is checked in the Apps tab, which will help you save your app settings and game saves.

4. Check the Music, Movies, and TV Shows tabs separately to synchronize these data to your computer to prevent loss. 5. If you have a large number of them in your iPhone 4, don't forget to back them up to your computer in the Photos tab. Steps.

3. Start the update 1, you can update when the preparations are done, press and hold shift+ update on the keyboard (in order to avoid unnecessary trouble, it is recommended to enter the DFU mode first and then update). 2. When you enter DFU mode and connect iTunes, you will see such a prompt (please ignore this step if you directly click shift+update). 3. For DFU recovery, please press Shift+Recover, and for the rest, please press Shift+Update, and select the official firmware just now.

4. Point OK, and then enter the long wait. 5. The waiting time is less than 5 minutes. 6. Restore the data you just backed up.

The method of forcing the iPhone to flash is:

2. Put your phone into recovery mode

3. Press and hold the power button first, when the shutdown option appears, please slide to power off;

4. Then press the power button to turn on the computer, the Apple logo will appear on the screen, do not release the power button;

5. Then press and hold the home button on the home screen until the screen goes black.

6. When the screen is black, please release the power button, continue to press and hold the home button on the home screen without releasing until iTunes on the computer side shows "An iPhone in recovery mode has been detected";