iOS10 system was unveiled, I think most of the people are unable to hold themselves back to update it. This update added a lot of exciting new features. But before the upgrade, you must be careful, otherwise your phone will likely become bricks.
Here are some methods for you to update. Have a look, it can help you to update successfully.
Regardless of the way to upgrade, we recommend that you upgrade through iTunes before you conduct a comprehensive backup. So during the upgrade, if something goes wrong or you want to downgrade later, you will avoid this kind of situation that all data were lost by this way.
For more details, you can view the backup method.
Part 1: OTA upgrade
Part 2: Upgrade through USB cable.
Part 3: Reinstall the system.
Part 1: OTA upgradeFor most users, OTA upgrade is the most convenient way and is also the riskiest upgrade way.
Step 1. Ensure that the phone has more than 50% of the electricity.
When you are updating, the upgrade process will take a lot of electricity. So if the power is not enough, the system will not let you continue. Meanwhile, your phone may become a brick. For this situation, you may also find your data back through ios data recovery.
Step 2. Wi-Fi supports.
Because the capacity of the iOS10 system has more than 1GB, so you need to update it on the Wi-Fi network.
Step 3. Wait for the official OTA push.
Part 2: Upgrade through USB cable.If you want to upgrade quickly, you can download the corresponding system firmware through iTunes.
Step 1. Download iOS 10 official version of the firmware file, pay attention to select the corresponding files according to their type.
Step 2. Open the iTunes app and let your iOS device connected to the computer.
Step 3. In the iTunes device information screen, hold down the Option key, click the "Check for Updates" button.
Step 4. In the pop-up file selection window you can find the firmware file which you download, and then open it.
Step 5. iTunes will automatically update. It may take 15 minutes or longer, depending on the times of Apple's servers to verify your device.
Part 3: Reinstall the system.Many people also like to take advantage of the large version of the system update to clear the phone's data.
Step 1. Download iOS 10 official version of the firmware file, pay attention to select the corresponding files according to your phone’s type.
Step 2. Open the iTunes app and connect your iOS device to the computer.
Step 3. In the iTunes device information screen, hold down the Option key, click the "restore iPhone".
Step 4. Find the firmware file which you downloaded in the pop-up file selection window, and then open it.
Step 5. Click again to "recovery" for confirmation, iTunes will erase the entire contents of the device and install the latest iOS system.
By the way, there is a method to solve the problem once you failed to update-iTunes Update Way.Step 1. Make sure that iTunes has been upgraded to the latest version, so iTunes will download the iOS10 system and update to the “brick” of the iOS device.
Step 2. Connect to PC / Mac, iTunes will automatically open, wait 30 seconds for iTunes to detect and pops up the first warning window, then press the "Update", then there will be a warning window appears, also click "update."
If you are successful, iTunes will re-update to the iOS 10 into your system. And if there is no warning window asking you to reply the device, the iOS device can be smoothly upgraded to the iOS 10.
On the other hand, if the above method cannot help you, you can also try to find The Phone Recovery Expert to recover the lost data.
No matter which method you want to use, you must be sure to complete all data backup with iTunes before the upgrade, because the process is likely to lead to brick the device.