Why can't I use 5G network on my Xperia 1 II dual sim device?
Why the notification of '5G Usage restriction' is appeared on my Xperia 1 II dual sim device? / Dual SIM cannot work with 5G.
- Xperia 1 II
You can use the 5G network by deactivating the secondary SIM. The usage of 5G network is restricted when two SIMs are activated in Xperia 1 II Dual SIM device.
To deactivate the secondary sim
- Find and tap Settings → Network & Internet → SIM cards → deactivate SIM 2.
Tip: If you want to turn off the '5G usage notifications' on the device, long press the notification and then select "Turn off notifications" or
- Find and tap Settings → Apps & notifications → Configure notifications → Phone Services → 5G usage notification → disable.