What if Huawei Glory v8 phone book information is hidden?

try according to the following methods:

1. It is recommended to enter Settings-Application Manager-All-Contacts-Try to clear data.

2. Check whether software programs such as mobile phone security guards are installed in the mobile phone. If there is an uninstall attempt, check whether the installed third-party software is incompatible or caused by software restrictions.

3. Try using another SIM card

4. Back up the important data on your mobile phone and try to restore the factory settings

If the problem still exists, I suggest you send your mobile phone to your nearest service center for testing.