Apple iPhone 12 Pro Device Help & How-To Guides
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Turning data roaming on and off (single and dual SIM)
When traveling internationally, you may want to turn data roaming on and off to conserve data and minimize unwanted fees.
ExploreReset your phone's settings (factory reset, network reset, and more)
If you are having trouble connecting to the Internet you may need to reset your network connections. Resetting your network connections will disconnect any Bluetooth devices connected to your device and disconnect your device from any Wi-Fi networks it is connected to.
ExploreSet your default SIM for calls, texts, and cellular data
Discover how to configure your phone's default SIM settings. This guide covers selecting your primary SIM for making calls, sending texts, and accessing cellular data, streamlining your dual-SIM experience.
ExploreConvert a physical SIM to an eSIM
Discover how to convert your physical SIM card to an eSIM on the same phone. Your physical SIM card is deactivated once the eSIM is activated and should be kept for at least 14 days before being discarded.
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