Hello all!
I have a SIM free UK Oppo Reno 8 Pro 5G handset.
I can use WiFi calling absolutely fine and there is a toggle switch to enable/disable in the SIM menu settings when using my ID mobile SIM card.
Unfortunately even though 4G Calling / VoLTE is supposedly supported there is no menu option to enable it when using my ID mobile SIM card.
I have tried other SIM cards (Vodafone & SKY) and VoLTE menu appears straight away and I can use 4G Calling / VoLTE absolutely fine.
I have spoken with Oppo and they have told me this is something ID mobile will need to sort out for me.
Is this something ID mobile has to enable for me somehow on the SIM card / account?
My handset is up to date and running the latest Color OS 13 / Android 13 update.
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Kind Regards
Tom
Best answer by andewhite
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