Which country are you from? A series hasn't received UI7 yet in South Africa. Most of the A series phones prefer their own cable and a reputable adapter, preferably 22w. I was using A05s and switched to A16 5G using the A05 cable, I couldn't even ful...

It's your cable. A15 and upwards require the cables they come with. I charged A16 5G using A05s and my battery took 3 hours to get to 100% but with its cable it took less than 1 hour 30. I recommend cables from Mr Price, either type c or iPhone they ...

Sometimes, the phone takes time to register Sim. I had a similar thing, with an A05s Dual Sim, and after I reset the phone with Sim in it, it's registered it. This happened like 3 weeks after I inserted the Sim