iPhone 12: How to manually manage 5G to optimize for speed or battery life
Next-generation 5G cellular service is one of the key features of the new iPhone 12 lineup. Apple is using a “5G Auto” setting it refers to as “Smart Data mode” as the default to give users a balance between network speed and battery life. Follow along for how to turn 5G on/off on iPhone 12, including how to keep it on permanently or turn it off completely.
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