Recent content by bigearmouse

  1. B

    Galaxy s20+ no wi-fi calling option

    I bought an unlocked S21 from ebay and it does not have wifi calling. it has U1 firmware CSC code is TMB/TMB, TMB/VZW. I really want wifi calling due to spoty connection. Following the instruction from , I change CSC to XAA, the volte calling option shows up but wifi calling options shows up...