It depends on the functionality of your mobile phone. If it supports both 2G and 3G mobile networks (and also enables 2G and 3G in the settings menu), it automatically switches to 2G without 3G.
It depends on the functionality of your mobile phone. If it supports both 2G and 3G mobile networks (and also enables 2G and 3G in the settings menu), it automatically switches to 2G without 3G.
Dear friend! There are two conditions that must be met. 1,your cellphone must support 2G and 3G. 2,The carrier's network must support both 2G and 3G signals. Then you can setting on your cellphone if its support, otherwise it will auto selected
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