First check the rear camera in the FP3+ it has a white surround.
Under Settings > About phone > Model > is as you note FP3
On the charging issue you can check the state of the battery as follows:
Dial *#*#66#*#* on the dial pad > this will take you to the services menu > select Service test > Test single > Battery status You can test both when charging or not.
Contact your 3rd party supplier immediately or even official Fairphone if they do not respond quickly. You have 14 days to return the product ~ no questions asked. support@fairphone.com
By the way as I’m in the UK ~ Cornwall, who did you get your phone from?
Charging slowly isn’t necessarily a fault, it depends not only upon your charger but the cable.
See also
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