What to do when my Huawei Honor 3C is not displaying the settings?

My hwawei honor 3c is not displaying the settings. and I cannot make n receive calls.what should I do?

Hi manitara. If you're looking for call settings, if it's not in System Settings, go to Phone app. Check if you see a menu icon (3 dots icon) on the the upper right side of the screen, you should find call settings there.

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