Phones just don’t work well with 5G yet. Manufacturers get the “5G” indicator on and that’s good enough for them.Look for “Prefer 5G NR Mode” in the developer menu and make sure it’s set to NSA + SA. My Sony Xperia 1 III has a lot of problems with 5G because the US model is intentionally crippled. It has no SA 5G and NSA barely works.
I don’t know what happened, but the XQ-BC62 is no longer working with T-Mobile. It appears to be connected but it has no data, calls, or texting. Turning off 5G sometimes helps, but not always.I noticed this a few days ago and it’s getting worse. Sony Support said that only Verizon is supported, end-of-discussion. I’m trying to get a refund.
My Xperia 1 III US does not support WiFi Calling, 5G SA, or VoNR on T-mobile. T-Mobile also sends incorrect APN settings when you put the SIM card in.
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