The newly bought iphone4 is ios7 system, can you flash back to ios6

At present, the iOS 7 system of the iPhone cannot be flashed back to the iOS 6 system.

Apple has turned off the verification, so the phone can't be flashed back to ios6 if there is no backup shsh, if the phone you buy is ios7, then your phone should be Apple 5 or above.

Apple4S said that there is no big problem in running iOS7,Slow response is a bit,Acceptable,Unacceptable is that if you close the dialing interface in the background,When you start the interface to dial**,To select contacts,The following contacts are slow to react,Other runs should be acceptable。

Apple 4 brush ios7 means a lot of pressure, super card, no shsh backup, brush up, just wait for yourself to be depressed.

1. Make a backup of your personal data first, such as **, address book.

3. Then select firmware, because the device generally has at least two firmware, so many friends don't know which one should be. Depending on the model of your machine, select the appropriate firmware version.

4. After all the tools are ready, since it is from the higher version to the lower version, you have to let the iPhone enter recovery mode first. Connect your iPhone to your computer and open the iTunes software.

5. Then please press and hold the power button, when the shutdown option appears, please slide to power off.

6. Then please follow the following methods to let your iPhone enter recovery mode: then press the power button to turn it on, the Apple logo will appear on the screen, do not release the power button; Then press and hold the home button on the home screen until the screen goes black. When the screen goes black, release the power key and continue to press and hold the home button on the home screen until iTunes on the computer detects an iPhone in recovery mode.

7. Then please press the Shfit key (Widows system) or Alt key (Mac system) on the computer keyboard in the iTunes window, and then click the "Restore iPhone" button, as shown in the figure.

<>11, if all goes well, you can downgrade iOS8 back to the firmware system.

1. Make a backup of your personal data first, such as **, address book.

4. After all the tools are ready, since it is from the higher version to the lower version, you have to let the iPhone enter recovery mode first. Connect your iPhone to your computer and open the iTunes software.

5. Then please press and hold the power button, when the shutdown option appears, please slide to power off.

6. Then please follow the following methods to let your iPhone enter recovery mode: then press the power button to turn it on, the Apple logo will appear on the screen, do not release the power button; Then press and hold the home button on the home screen until the screen goes black. When the screen goes black, release the power key and continue to press and hold the home button on the home screen until iTunes on the computer detects an iPhone in recovery mode.

7. Then please press the Shfit key (Widows system) or Alt key (Mac system) on the computer keyboard in the iTunes window, and then click the "Restore iPhone" button, as shown in the figure.

<>11, if all goes well, you can downgrade iOS8 back to the firmware system.

1. If the Apple system wants to downgrade the mobile phone system, it can only be downgraded within a certain period of time, and the system can be verified through the system during the time period, to try the downgrade of the mobile phone system, once the verification port is closed, then the system is not recoverable to downgrade.

2. The general verification period will not be too long, and there will be a chance before the more advanced system comes out, once the more advanced system appears, then it cannot be downgraded, but it can be tested after sales to see if it can be downgraded.

3. Since the system belongs to the software part, it may be charged to find the after-sales downgrade system, so please pay attention here. It is not recommended to upgrade or downgrade the system without permission, as there are different risks.

4. It is recommended not to blindly pursue the advanced version, the more advanced the system version, the higher the requirements for the hardware part of the mobile phone, the hardware of the mobile phone does not meet the requirements, there will be pressure to run, and the speed cannot keep up, resulting in the mobile phone will be very stuck; In the case that the mobile phone is not delayed in use, but the running speed is acceptable, it is best not to upgrade the system.

You can't brush this Apple has closed the verification channel of ios7.

Hello, at present, the system verification below ios8 has been turned off (including ios7), and the version that has been closed for verification by Apple will no longer support users to flash to this version, you can only upgrade up and not downgrade.

Apple's upgrade and flash rules are very clear,Because iOS needs to be connected to Apple's server when flashing,Once the verification of the version is closed,Then you flash the version again,You can't flash it,It will report an error。

What you can do now is to slowly get used to iOS 8.

Step 1: Before downgrading iOS8, please make a backup of your data, such as **, Contacts. You can use iTunes on your computer to back it up;

Step 3: Select Firmware, and select the corresponding firmware version according to the model of your machine. You can check the model of the machine by yourself, and then correspond to your own device model on the page, such as A1528.

Step 4: Once everything is ready, you have to put your iPhone into recovery mode because it is from a higher version to a lower version.

Step 5: Please press and hold the power button, when the power off option appears, please slide to power off;

Next, follow the methods below to get your iPhone into recovery mode:

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

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

When the screen goes black, release the power key and continue to press and hold the home button on the home screen until iTunes on the computer detects an iPhone in recovery mode. Note: If you can't enter the recovery mode, please do it several times.

Step 6: Then press the Shfit key (Widows system) or Alt key (Mac system) on your computer keyboard in the iTunes window, and then click the "Restore iPhone" button.

Step 8: Then we will be prompted if we want to restore, click the "Restore" button to continue, please wait for iTunes to withdraw the iOS 7 firmware, if everything goes well, you can downgrade iOS 8 back to the firmware system.