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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.

By Jonny Evans·Sep 21·engadget.com·1 min read

Intelligence analysis by Qwen 2.5 (3B)

One Mobile Number, Two Phones: What Is iPhone Handoff and Which Carriers Support It?
Image: engadget.com

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.

Why it matters

iPhone Handoff simplifies the process of using two iPhones with the same phone number, making it easier for users who frequently switch between devices.

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.
The Upside

iPhone Handoff can make it easier for users who frequently switch between two iPhones, reducing the need to set up separate carrier accounts.

The Downside

Not all carriers support iPhone Handoff, limiting its usefulness for users outside of the US and Germany.

Originally reported at

engadget.com

Discernion covers the story. Read the full piece at the source.

Tagstechappleioshandoffcarrier-support

Author

Jonny Evans

Intelligence analysis by

Qwen 2.5 (3B)

Published

Sep 21, 2026

Source

engadget.com

Share

Topics

techappleioshandoffcarrier-support

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