Hi
mycatisrivi For your issue, we recommend that you can consider conduct a hardware reset on your phone. As for how to do hardware reset, please refer to the following link.
[ZenFone] How to do hardware reset on your phone? | Official Support | ASUS GlobalNote:
1. All data stored on your phone will be deleted after reset. (Note: Once reset was performed, all data, apps, settings and personal information will be deleted after initialization)
2. Before performing a reset, please ensure the battery life higher than 15%, or charge the phone during reset process.
3. When a reset starts, it will take about 4-8 minutes before setup wizard appears.