What to do if iOS 16.3 RC version update fails

Since most smart phones now use home-developed operating systems, if you want to ensure the completeness of functions, you must follow the official to update and update them constantly. However, with the change of time and technology, some models have gradually become incompatible with the new version, which will lead to various upgrade problems. For example, some users of iOS 16.3 RC released by Apple recently said that the update failed, So how to solve this problem?

How to resolve the failure of iOS 16.3 RC version update? Solution to iOS 16.3 RC version update failure

Check whether the device supports updates

If the device is not compatible with iOS, you may receive the message "Unable to install update - error occurred while installing iOS". Therefore, first make sure that your device is in the support list.

Free up iPhone storage space

When updating iOS, it will take up a lot of storage space, and "cannot install update - error occurred when installing iOS" is usually ejected due to insufficient memory.

Open [Settings] - [General] - [iPhone storage space] to view the usage of iPhone storage space, and then update it again when the memory is sufficient.

Check whether the network is stable

Since iOS update takes a long time, it is necessary to ensure network stability to avoid interruption of the update process, which will lead to iPhone update failure.

Open [Settings] - [Unlimited LAN] and select the WiFi with better network connection.

Force iPhone restart

Forced restart can be used to repair some basic iOS system faults, including stuck black screen, recovery mode and other basic iOS system faults.

Choose different forced restart operations for different iPhone models:

Full-screen model (iPhone 8 and later): press the volume high and low keys quickly, and then press the on key continuously until the Apple logo reappears after the device is black, and then release all keys;

Delete update firmware package

Delete the downloaded update firmware package to solve the problem that the update is overdue and cannot be updated again because the download time is too long.

Open [Settings] - [General] - [iPhone Storage] and find "Update" in the app list. Click Update, and then click Delete Update.

Then open [Settings] - [General] - [Software Update] to ensure that the update package is downloaded and the iOS system is updated again when the network is good and the memory is sufficient.

Update with professional repair tools

If the first five solutions are adopted, there will still be various iOS update errors and update failures. It is recommended to upgrade to the iOS 16 system with the help of professional tools and repair the upgrade at the same time to reduce iOS system failures.

Update with iTunes

As Apple's official data management tool, iTunes can also be used to update the iOS system.

However, the operation is relatively complex, and there are many error prompts and update failures.

It can be seen that there are many ways to solve the update failure of iOS 16.3 RC version. If there are fruit fans in this situation, try the above methods one by one. As long as the mobile phone supports the update of ios 16 system, it can basically be solved.