It seems that the problem is a software-only problem. Why i think this ? I am a software development engineer and i tried the following exactly 3 times, so the bug it's absolutly repeatable ! ⋅ Get a new sim card from my provider (Austria's Hot - Mobile network which comes from the T-Mobil...

I have the same problem. Again and again I get the message that there is no sim card inserted although it is displayed in the settings on sim slot 1. I suspect a loose contact or a software problem, because the ringtone is always forgotten when the error occurs. I bought the Blackview BV9800 Pro as ...

The manual states that a rubber plug should be used in the USB-C port to ensure it is completely waterproof.  I don't understand why one wasn't provided with the phone. Is there an aftermarket plug available? That's exactly the question i also want to know the answer ! Here is the sentence from the...