Fairphone Community Forum

No 4G / 5G connection Sunrise Switzerland

Help Fairphone 4

yvmuell June 20, 2022, 12:26pm 34

Please see this post, VoLTE and VoWifi seem to have been fixed

How to enable VoLTE and WiFi Calling Fairphone 4

Yes it is booked into 4G. As I work for a telco I was able to contact a colleagues at Sunrise UPC who works in the mobile department and learned that they have tested the Fairphone 4 and found Issues with VoLTE, Wifi Calling and 5G. Therefore they intentionally disable those features when a Fairphone 4 logs into their mobile network. They are in contact with the manufacturer of the Fairphone 4 to solve those issues but it has no priority as this is not a phone they sell or advertise themselves…

Known reproducible and reported issues of the Fairphone 4 - Wikimetadiscussion The Forum

Last release (mid-march) freed VoLTE and WifiCalling, but not 5G (Swiss Sunrise UPC) Build: FP4.FP3S.A.0103.20220221

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