How to reduce the system version of the apple 7, how to reduce the system version of the apple phone

iPhone7 Downgrade System Operation Steps:

Go to Apple's official website to check whether the old version verification is closed; On the official website** in accordance with the firmware of the device; Official website**iTunes software and open it; Open iTunes and connect your iPhone to your computer; Click Backup; Press and hold the lock screen button of the phone to power off; Press and hold the lock screen button for 3 seconds, and the Apple logo will appear; Press the home button and the lock screen button at the same time until the screen goes black; Release the lock screen button and continue to press and hold the home button; iTunes shows an iPhone in recovery mode, press Shift, and tap Restore iPhone; Select the firmware that has been **; Wait patiently for iTunes to install the firmware system to your iPhone.

Apple 7 Drop System Preparation.

1. First go to Apple to me or other custom sites to check whether Apple has closed the verification of the old version. If it is not closed, it can be downgraded, and if it is closed, it cannot be downgraded.

3. Turn off Apple 7 and flash it.

4. Press and hold the screen lock button for 3 seconds, press and hold the home button after Apple's logo appears, and the screen lock button cannot be released at this time, and then release the screen lock button after the screen turns black.

ps: If the first time the operation is under the Apple 7 has not entered the recovery mode, try a few more times.

5. After entering the recovery mode, iTunes will restore the iPhone in recovery mode, hold down Shift, and start restoring the iPhone.

iphone7 32g is upgraded, nothing at all, after you are promoted to 11, don't continue to rise, but according to Apple's mobile phone performance, iPhone7 configuration will not be a problem to carry iOS11, or even higher system!

Apple mobile phone drop system, the specific operation is as follows:

1. First of all, hit the rock to open the browser.

This is shown in the figure below.

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<>5. Then, when your iPhone is set to DUF mode, the iTunes software will show the problematic iPhone device as below screenshot shown.

6. Next, in the iTunes software, press the Shift key on your keyboard.

Click Recover as shown in the image below.

<>8. Finally, wait for the firmware recovery progress bar of the top loss answer part of the iTunes software to be completed, and then re-radicalize the iPhone to reactivate the air, and it will be completed, as shown in the figure below.

Apple mobile phone drop system, the specific operation is as follows:1. Open your browser first.

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5. When your iPhone is set to DUFF mode, the iTunes software will show you the problematic iPhone device as shown in the image below.

6. In iTunes, press the shift key on the keyboard.

Point Cayenne Strike to recover, as shown in the image below.

<>8. Finally, wait for the firmware recovery progress bar at the top of the iTunes software to complete, and then reactivate your iPhone, and you're done.

Dear, I'm glad to answer for you:1Method.

1. Use the computer to update the iphone7 mobile phone system: first on the computer**Apple iTunes software, connect the iphone7 to the computer, open iTunes and click to display the "iphoen" icon to enter it. 2.

Then enter [Summary] Click to check for updates, iTunes system will automatically connect to iPhone7 detection system, if the current system is not the latest version, iTunes will prompt push the latest system version, we only need to click ** and update to iphoen7 update the system. 3.Method.

2. Upgrade directly from the phone: Keep the battery of the iphone7 mobile phone above 50% before the system update and upgrade, and then open [Settings] on the iphone7 to enter the [General]. 4.

Then, from the general page, open the Update option. 5.The mobile phone system will automatically detect the current mobile phone system version, such as detecting that the current iphoen7 system is not the latest, it will prompt**install the mobile phone system information content inside, and select **install it inside.

6.Finally, as long as you wait for the system to automatically update, the system update time is about 20 minutes, you can check the iphoen7 mobile phone update progress, the phone will automatically restart after completion, you need to wait patiently for the completion of the can.

The process of downgrading the version:

2. Connect your phone to iTunes on your computer, and iTunes will automatically recognize the model and other information of your phone.

3. Press and hold the Home button and the power on button continuously at the same time until your iPhone enters DFU mode.

4. After entering the DFU mode of your iOS device, keep holding the Home button until your iTunes pops up a message box and it detects the iPhone in recovery mode, as shown in the figure below

5. If the iPhone is detected in recovery mode, the iPhone will have a black screen and will restart after a while.

6. After restarting, you will see that your iPhone is in recovery mode, click the Restore iPhone button.

<>8. Click the Restore button, and the computer will downgrade your iPhone.

9. It will take about ten minutes, and we can click OK after completion. Your iPhone has been successfully downgraded to the previous system.

The method is simple as follows:

1. Shut down the device with a data cable and connect it to the latest version of iTunes, then open iTunes, 2. Press and hold Shift on the keyboard, and click the "Update" function of iTunes at the same time;

3. According to the iTunes pop-up dialog window, select the corresponding version of the iOS firmware of Sun Lao (provided that the firmware you need is ready), and click Update.

In particular, Apple said in the official announcement that iPhone Plus, 6S, 6S Plus, and SE models were limited in performance from iOS, while iPhone Plus was limited in performance from iOS.

After the actual inquiry, you can clearly see that the old version of the firmware of the iPhone S S and 7 series models has been turned on by default by Apple, so if you want, you can return to the original system and say goodbye to the dilemma of limited performance:

1. iPhone 5 can be downgraded to iOS;

2. iPhone 5s can be downgraded to iOS;

3. iPhone S and 7 can be downgraded to iOS;

At present, some netizens have successfully measured it, and it is indeed possible to downgrade, such as the iPhone 5s successfully downgraded the iOS system, but now the server is a little busy, you may wish to try it later, as for when it will be closed, it is not clear.