A Samsung A12 was purchased via Amazon. I already knew this from my own experience at home; there is a problem with the proximity sensor. The screen has its own life and will switch on and off by itself when you are on an outgoing call. After making contact with Amazon, I was given the option of being driven to the service facility by the company. The phone was eventually handed back to the customer with the following response from the service technicians: "FSE works." I got rid of it because I know that nerves are more expensive than money. Make your own inferences from the evidence.
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