The drop-down toolbar disappeared after Huawei's mobile phone was upgraded.

Huawei mobile phone is a very popular mobile phone brand, but some users will find that the drop-down toolbar is missing after upgrading their mobile phone systems. What shall we do? Let's answer it in detail.

It may be 1. There are some problems after the system upgrade.

The user closed the drop-down toolbar in the settings.

There is something wrong with the mobile phone.

solution

Check the system settings.

Find the "notification bar and status bar" in the phone settings, and check whether the drop-down toolbar is closed. If it is closed, open it.

Clear the cache.

Find "Application Management" in the phone settings, select "All Applications", find "System UI" and clear its cache.

Restart the phone.

Sometimes restarting the phone can solve some minor problems. You can try restarting the phone.

Restore factory settings.

If the above methods can't solve the problem, you can consider restoring the factory settings. However, before restoring the factory settings, you must back up the important data in your phone.

After Huawei's mobile phone was upgraded, the drop-down toolbar disappeared. Maybe there is something wrong with the system, the user has closed the drop-down toolbar or the mobile phone is broken. Solutions include checking the system settings, clearing the cache, restarting the phone and restoring the factory settings. If the above methods can't solve the problem, you can contact after-sales customer service for handling.