5G is sometimes displayed during a 5G call, and sometimes not.
At present, 5G network voice services still use VOLTE calls on 4G (the status icon will still be displayed on 5G at this time), but during VoLTE calls, it will adjust the network according to the current network environment of the user. 4G will be displayed when the network does not support 5G. If there is no VoLTE, it will fall back to the 3/2G network for ordinary calls.
5G turn on method:
realme UI 3.0 & above versions: Settings > Mobile network > Click the corresponding SIM card > Turn on 5G.
realme UI 2.0: Settings > SIM card & mobile data > Click the corresponding SIM card > Turn on 5G.
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