Hello. My two phones BV6800Pro got the same problem. the wireless charging functions well just a few times. I've already test with the Blackview QI charger supplied with the phones as well as other chargers I got.

Hello. I've got the same problem in my two BV6800Pro phones. I understood than you've already tracked it and fixing bugs takes a lot of time.  But in the meanwhile you're developing new models our phones are still out of order, and you provide not solution to the issues this units got.