It’s a simple test that can be used to find out whether all components of a smartphone are working as intended or not. All smartphones come with a secret code which you can easily search online. You can then key in this code using the phone’s dialler app and access the service menu. It consists of num
7- Check the 'service code test
It’s a simple test that can be used to find out whether all components of a smartphone are working as intended or not. All smartphones come with a secret code which you can easily search online. You can then key in this code using the phone’s dialler app and access the service menu. It consists of num
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