Traditional Culture Encyclopedia - Tourist attractions - I'm using a 4G mobile terminal now. Do I need to change the terminal for traveling abroad?

I'm using a 4G mobile terminal now. Do I need to change the terminal for traveling abroad?

Generally speaking, 4G mobile phones can roam internationally without changing machines. For mobile phones supporting WCDMA/GSM, WCDMA/GSM network is used when roaming; For mobile phones that don't support WCDMA, C networks in Japan and South Korea and G networks in other regions are used when roaming, and all network selection can be automatically completed by the terminal. For more service benefits, click "official website" below. Customer service 22 answers for you.