Why does my LTE keep switching to 3G?

Moving from 4G to 3G while on hook means you’ve been detached from the 4G cell mainly due to to signal strength and/or signal quality . When you make a call, your phone detached from 4G to 3G because 4G, unless voice over LTE is activated in the network, can’t facilitate phone calls directly.

Sizin İçin Seçtik  Why is my 3G on and not my LTE?

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