Can the “iPhone 12” series be used with 4G SIM? I tested the SIM of each company –ITmedia

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1. Can the “iPhone 12” series be used with 4G SIM? ITmedia tested the SIM of each company
2. Is a “5G contract” required for the iPhone 12 series? I asked each operator (ITmedia Mobile) Yahoo! News
3. When iPhone 12 / Pro and 5G are connected, the battery is about 20% shorter than 4G. Measurement results published abroad, Japanese version of Engadget
4. Can iPhone 12/12 Pro be used with cheap SIM (MVNO service)? Summary of verification results ITmedia
5. GIZMODO JAPAN has a battery life 2 hours shorter than 4G when using iPhone 12 and 5G.
6. See all articles in Google News