How does Apple Iphone4s/iphone5 upgrade the IOS7 system?

Official Edition Upgrade Preparation work

1.IOS7 upgrade backup is certainly essential. First, connect the iphone to itunes, right-click on the iOS device name, and select "Transfer purchase". This allows you to sync the game software purchased directly on the iphone to your computer.

After synchronization, select the "Back Up Now" option on the device Summary page to back up all the information on the iphone, including photos, text messages, settings, and phone books to your computer for upgrade to IOS7.

　　

2, the use of TinyUmbrella backup SHSH file is said to escape the great God has completed the iOS6.1.3 perfect Escape, will be released after the IOS7 official release iOS6.1.3 Perfect escape. So we have to catch up on the Shsh file before Apple turns off iOS6.1.3 validation. Then if you do not like iOS7 good downgrade to iOS6.1.3. Because Apple modifies the iOS verification mechanism, we must use TinyUmbrella to back up the full Shsh file. First download and install the latest version of TinyUmbrella, linked to iOS devices. After that, remove "Requestshshfromcydia" from the settings option.

Then click "Saveshsh" to back up to the full Shsh file.

　　　　　

3, using the Fast Apple Helper backup game software to upgrade to the IOS7 official version, we can use the fast Apple Helper to the phone game software back down. Because fast with the Apple Helper support iOS7 do not jailbreak free installation of genuine game software, so use the Apple Assistant to the mobile phone game software back up, successfully upgraded to the IOS7 official version and then installed to the device.

　　　　　　　　

I'm going to upgrade after the Prep is done.

1. This method is suitable for the previous upgrade to 7 generation system, you are still using the 6 generation system (currently can be prompted the latest version is 6.1.3) or your cell phone jailbreak (remember that the jailbreak phone must be brushed back to 6 generation system and upgrade, otherwise there will be no activation of the phenomenon).

2. First download the iOS 7 Beta2 firmware, in my firmware download address to find the appropriate firmware for your device, such as my device is iphone4s, click the link button to download the firmware. (Pay attention to other types of machines here: Hong Kong version of China Unicom, please download the CDMA version of the firmware can not under gsm!! ）

3. The first step is to make sure that the iOS 7 Beta2 firmware is downloaded, and the second step is to check the tick mark and then click on the red download to download the firmware.

4. Please download patiently, because the server in foreign countries, we are the first time to taste the fruit powder, so the wolf more meat less cause my 12M speed only this speed, we wait patiently, I download the first time after the release to Baidu Network, to share to you.

5. After downloading you will find that you download is the DMG format of the file, not open, and is not commonly used to upgrade the Apple file, but not familiar with the spell logo, don't worry, We download and install UltraISO use it to open the DMG-formatted ios7.0 firmware, and we can see several files and folders inside, among which we are familiar with the common firmware format, and its lovely icon to extract it.

6. Before the new upgrade, I again? The chaos 痪 Qinglie curled? Yie Neon only to the people ⒒ the system, otherwise the direct brush machine to the 7 generation will be prompted as follows, inactive. (Brush back the machine that did not jailbreak please look at my previous experience, do not know to ask me)

7. Connect the phone to open the itunes software, if prompted this direct election cancel.

8. Hold down the SHIFT key in your iphone interface to "Update".

(Note that you must hold down the SHIFT key and do not use the iphone to recover, as someone has reflected that the installation will not activate)

9. Select the iOS7 beta2 firmware that you downloaded and extracted before you can identify with itunes.

1.0 is already the latest version of iOS7 Beta2 when the system is switched on again.