Apple Launches iPhone Handoff for 1 Number on 2 iPhones as T-Mobile Charges $5

Q: Could Apple’s new number-sharing feature secretly be a strategy to sell more secondary iPhones rather than just offering user convenience?

Yes—at least in part. Apple is presenting iPhone Handoff as a convenience feature, but it also fits neatly into a broader strategy that could encourage people to buy and keep a second iPhone. The feature solves a real problem for a niche but valuable group: people who juggle work and personal phones, travelers carrying an older device, or users who want a compact phone some days and a larger or foldable one on others. By letting one number move between two iPhones with a simple unlock, Apple removes a major friction point that previously made a second phone impractical. At the same time, the commercial upside for Apple is obvious. Handoff only works between two iPhones, requires both devices to be on the same Apple Account, and deepens reliance on Apple services like iCloud, iMessage, FaceTime and Wallet. It arrives just as Apple is expanding its lineup, including the premium iPhone Duo, making it easier to justify owning two Apple handsets instead of one. Still, the rollout suggests convenience may be the main near-term driver. Carrier support is very limited, only one phone is active at a time, Apple Watch does not switch between devices, and some Wallet items do not work across both. T-Mobile also charges $5 a month, which may restrain adoption. So the evidence points to both motives: iPhone Handoff is genuinely useful, but it is also a smart ecosystem feature that can increase secondary iPhone sales and keep higher-spending users inside Apple’s hardware orbit.

3 articles · Updated · Engadget · Sep 21

iOS 27’s new iPhone Handoff lets users place calls, send messages and share payment cards across two iPhones on a single mobile number, removing the need for separate carrier accounts.
Two iPhones must run iOS 27, stay on the same Wi-Fi network and use the same Apple Account for iCloud, FaceTime and iMessage; one device remains the primary phone holding the main eSIM.
Only T-Mobile in the U.S. and Telekom in Germany have confirmed support so far, with T-Mobile adding a $5 monthly fee and carrier support required to enable or fully disable the feature.
Apple says the setup is nearly invisible in daily use, but limits remain: Apple Watch pairing does not switch between phones, and some Wallet items such as IDs and passes will not carry over.
The feature is aimed at users moving between old and new iPhones, traveling with a cheaper backup device, or pairing a compact model with a higher-end phone.