O2

WiFi calling disappeared from Samsung. It's enabled on the account but still no option appears to turn it on. Not under connections or the 3 dots under phone. Contacted Samsung & they confirmed no issues with current updates. Tried a different networ...

Just been switched over from virgin to O2. On virgin Wi-fi calling worked no problem and it also worked for a few weeks on O2 in the beginning. After the latest update on my phone it seems the firmware is no longer supported to enable me to have Wi-f...