One Mobile Number, Two Phones: What Is iPhone Handoff and Which Carriers Support It?
Apple's new iOS 27 feature, iPhone Handoff, allows users to use the same phone number across two iPhones. It's easy to set up and use, but carrier support is limited to T-Mobile in the US and Telekom in Germany.
Intelligence analysis by Qwen 2.5 (3B)

Apple's iPhone Handoff feature lets users use the same phone number on two iPhones, but carrier support is limited to T-Mobile in the US and Telekom in Germany.
iPhone Handoff lets you use the same phone number on two iPhones. You just unlock one and it's ready to use. But not all carriers support it, only T-Mobile in the US and Telekom in Germany do.
Analysis
{"heading":"Setting Up iPhone Handoff","subheading":"Step-by-Step Guide","content":["To set up iPhone Handoff, place your two iPhones next to each other and unlock one.","Navigate to Settings > Cellular, and tap Set Up Cellular/Add eSIM, or iPhone Handoff if a number is already set up on the device.","Choose Use Number on This iPhone and Another, tap Continue, and follow the on-screen prompts to assign one device as your main iPhone."]}
Key points
- iPhone Handoff allows users to use the same phone number on two iPhones.
- It's easy to set up and use, but carrier support is limited to T-Mobile in the US and Telekom in Germany.
- iPhone Handoff can be useful for users who frequently switch between two iPhones.
iPhone Handoff can make it easier for users who frequently switch between two iPhones, reducing the need to set up separate carrier accounts.
Not all carriers support iPhone Handoff, limiting its usefulness for users outside of the US and Germany.



