sa nsa dual-mode 5g phone can put 4g card.
Whether to support 4G has nothing to do with dual-mode, dual-mode 5G refers to NSA\/SA(non-independent networking\/independent networking), there is no 5G mobile phone on the market that does not support 4G,5g mobile phones support 2g, 3g, 4g, 5G networks.
Dual-mode 5g is a 5G mobile phone system specification that can support two types. The so-called \"dual mode\" is to work in two network modes, which are GSM network and CDMA network.
NSA sa dual-mode 5g mobile phone terminals can be inserted into 4g cards, and can occupy 5g network signals to experience 5g high-speed Internet access.