My phone rings and I press the green phone icon but it doesnt answer. I have tried factory reset but it still won't answer. Has anyone got any suggestions?
You don't say what phone you have. On my phone a Moto G5 you have to swipe the green phone button to the right to answer the call and to the left to reject the call, just pressing the button does not answer the call. Your phone may be different, check your user manual.