How to upgrade iOS 10 2 1 beta 4

1. Use the built-in browser to enter the ** below, and click on the ios14 system below to try the early option Sakura.

2. After clicking, click OK in the pop-up prompt.

3. After clicking, select the option to allow.

<>5. Once you're in, click on the installation option on the top right.

6. After clicking, enter the lock screen group song password of the mobile phone for verification.

7. After verification, click the installation option on the upper right again to complete the installation.

8. After that, select the option to restart and restart your phone.

9. After restarting, in the settings, click on the software update option to update to ios14 system.

On November 29th, Apple pushed the beta4 firmware update in the early hours of this morning, which is the fourth developer to preview the Motong version, and at the same time, the public beta version of beta4 was also pushed simultaneously.

iphone7

iphone7 plus iphone6/6s

iphone6 plus/6s plus

iphone se

iphone5s

iphone5/5c

ipad pro

ipad pro

ipad mini 4/ipad air 2/ipad mini 3

ipad air/ipad mini 2

ipad 4

ipod touch 6

2.Which devices can be upgraded

iOS10 supported devices include iPhone7, iPhone7 Plus, iPhone6 Plus, iPhone6S Plus, iPhone SE, iPhone5S, iPhone5, iPhone5C; iPad 4, iPad Air, iPad Air 2, iPad Pro ( Mini 2, iPad Mini 3, iPad Mini 4, iPod Touch 6 is the only device in the iPod.

3.Update method

iTunes upgrade: Open the latest version of iTunes on the desktop, and press "Shift+Update" at the same time to select the solid balance mu that will be brushed, and the following actions will be handed to Apple.

Profile OTA update: Open the corresponding profile file directly with Safari, install it and ask Yousen to restart, and then check and install the update directly under System Update; Ordinary users can go to Apple's official website to register and install the beta profile.

1. Upgrade Tutorial: Be prepared.

Use OTA to upgrade and update to ensure more than 40% power.

2. Before preparing to upgrade and update the system, you must first check the battery level of your mobile phone to ensure that it is above 40%. It is not recommended that you update the system while charging, causing damage to your phone.

The system software is more than 70MB link wireless or wifi upgrade.

1. The system that needs to be upgraded and updated this time is more than 70MB, and it is necessary to turn on your mobile phone wirelessly.

2. It is not recommended that you upgrade the system at public WiFi.

3. If your mobile phone has enough traffic, ignore this article.

The system supports upgraded devices.

1. iPad tablet device.

ipad4、ipad air、ipad air 2、ipad pro（ mini 2、ipad mini 3、ipad mini 4。

2. iPhone mobile phone device.

iphone5、iphone5c、iphone5s、iphone se、iphone6 / 6plus、iphone6s / 6s plus、iphone 7 / 7plus。

3. Miscellaneous. ipod touch 6。

End 2: Upgrade Tutorial: Start upgrading and updating.

Open your phone's desktop, swipe the menu on your phone, and find the "Settings" icon. After tapping on the "Settings" icon, find the "General" option.

Click on the "General" option and you'll find the "Software Update" section. At this time, the mobile system will automatically retrieve the latest version of the system.

After clicking to agree to the installation agreement, the mobile phone system will automatically enter the system installation interface and start the automatic installation.

Generally, upgradeable devices that do not have a set to turn off the update prompt will prompt the update;

You can directly OTA upgrade, open [Settings] - [General] - [Software Update]; However, this requires an Internet connection;

It can also be upgraded with an assistant on the computer;

Connect the device with a data cable, add trust to the iPhone, and install iTunes by default when connecting to the computer for the first time;

Click Install Mobile;

After completing the connection, open the one-click flash, **firmware,You can also import the firmware**, check the retention data and automatic restart options after completion, and then click Flash Now, keep the data cable connected;