--- title: "iPhone Handoff: Apple Will Let You Use One eSIM Number on Two Smartphones in iOS 27" description: "Apple is preparing the iPhone Handoff feature in iOS 27, which will allow using one eSIM number on two smartphones simultaneously. T-Mobile and Deutsche Telekom were the first to announce support, with the release expected in September 2026." date: 2026-09-04T13:26:01.000Z lang: en url: https://xab.info/en/posts/apple-iphone-handoff-ios-27-one-number-on-two-iphone tags: [apple, ios-27, iphone-handoff, esim, t-mobile, deutsche-telekom, mobile-telecom] publisher: "XAB.info" --- # iPhone Handoff: Apple Will Let You Use One eSIM Number on Two Smartphones in iOS 27 ![Woman using an iPhone with eSIM, illustrating the iOS 27 Handoff feature for one number on two smartphones](https://xab.info/media/2026/09/04/apple-iphone-handoff-ios-27-odin-nomer-na-dvuh-iphone/apple-iphone-handoff-ios-27-odin-nomer-na-dvuh-iphone-1.webp) ## 🎯 Key Points - iPhone Handoff in iOS 27 will let you keep one eSIM number on two iPhones simultaneously without fully cloning the cellular profile - The primary iPhone retains control over network settings, while geolocation is transmitted from the active device - The feature requires carrier support: T-Mobile (US) and Deutsche Telekom (Germany) will be the first to connect - The official release of iOS 27 is expected in September 2026; the full list of compatible models and carriers will be announced later Cupertino is preparing a solution to one of the most common complaints among owners of two iPhones β€” the need to constantly transfer the eSIM between devices. A new feature called iPhone Handoff, which Apple plans to introduce in iOS 27, will allow a single user to keep an active phone number on two smartphones simultaneously. According to preliminary reports, the official release of iOS 27 is expected as early as September 2026, making the launch of the technology a matter of weeks. ### What Is iPhone Handoff and How It Works iPhone Handoff is not cloning of the cellular profile and not the creation of two independent copies of a number. Essentially, the feature allows you to switch between two iPhones while keeping the same number active on both devices. At the same time, the primary smartphone continues to fully control the network settings: it is the device that determines connection parameters, roaming priorities, and basic eSIM settings. The second device gains access to the number in a "subordinate" connection mode, which eliminates conflicts at the carrier infrastructure level. ### Dynamic Geolocation Instead of Constant Broadcasting Apple paid special attention to privacy and the proper operation of services tied to geolocation. Instead of constantly broadcasting the location of the primary smartphone, the system implements dynamic geolocation distribution: the location is transmitted from whichever device is active at the given moment. This means that if the user switches to the second iPhone, navigation services, location-based push notifications, and safety features will rely on the current coordinates of that particular device. ### Dependence on Mobile Carriers The launch of iPhone Handoff depends not only on Apple's software. In addition to having two smartphones with iOS 27 installed, full functionality will require corresponding support from the mobile carrier. According to preliminary reports, the first to support the technology will be T-Mobile in the US and Deutsche Telekom in Germany. Apple's official list of partners will be announced later, so the availability of the tool at launch will vary significantly depending on the country and specific network. For users in other regions, including CIS countries, the timing of support may be considerably longer. ### Timeline: From WWDC 2026 to Release Interestingly, Apple briefly announced the possibility of using one number on multiple devices back at WWDC 2026 in June, but at the time this information got lost among hundreds of other iOS 27 announcements and did not receive sufficient media coverage. Now, closer to the official release of the system, the details of the feature have become more specific. In the coming weeks, as iOS 27 reaches users, it will become clear exactly which iPhone models and carriers will support iPhone Handoff at launch. ### Limitations and What Is Known So Far As of the time of writing, Apple has not published a complete list of compatible iPhone models, nor has it disclosed whether the feature will be available for all rate plans or only for certain eSIM packages. In addition, the question remains open as to whether calls can be received on both devices simultaneously, or whether the second iPhone will operate exclusively in a "mirror" mode with call forwarding. Official answers to these questions will likely appear alongside the iOS 27 release notes and press releases from partner carriers. ## πŸ” Fact-Check Verification - [Two iPhones, One Number: Apple Finally Solves the eSIM Problem](https://www.rbc.ua/ukr/news/dva-iphone-odin-nomer-apple-nareshti-virishue-1788525112.html) - ΠŸΠΎΠ΄Ρ‚Π²Π΅Ρ€ΠΆΠ΄Π°Π΅Ρ‚ Π½Π°Π·Π²Π°Π½ΠΈΠ΅ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ iPhone Handoff, ΠΏΡ€ΠΈΠ½Ρ†ΠΈΠΏ Ρ€Π°Π±ΠΎΡ‚Ρ‹ с ΠΎΠ΄Π½ΠΈΠΌ Π½ΠΎΠΌΠ΅Ρ€ΠΎΠΌ Π½Π° Π΄Π²ΡƒΡ… устройствах ΠΈ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡ‚ΡŒ ΠΎΡ‚ ΠΎΠΏΠ΅Ρ€Π°Ρ‚ΠΎΡ€ΠΎΠ². - [New iOS 27 Feature Will Let You Use One Phone Number on Two iPhones](https://itc.ua/news/novaya-funktsyya-ios-27-pozvolyt-yspolzovat-odyn-nomer-telefona-na-dvuh-iphone/) - БогласуСтся с Π±Π°Π·ΠΎΠ²Ρ‹ΠΌ тСкстом: iOS 27, ΠΎΠ΄ΠΈΠ½ Π½ΠΎΠΌΠ΅Ρ€ Π½Π° Π΄Π²ΡƒΡ… iPhone, анонс Π½Π° WWDC 2026. - [iPhone Handoff in iOS 27: Carrier eSIM lets one number live on two phones](https://www.msn.com/en-us/technology/hardware-and-devices/iphone-handoff-in-ios-27-carrier-esim-lets-one-number-live-on-two-phones/ar-AA2bvObg) - Англоязычный источник ΠΏΠΎΠ΄Ρ‚Π²Π΅Ρ€ΠΆΠ΄Π°Π΅Ρ‚ Ρ‚Π΅Ρ€ΠΌΠΈΠ½ iPhone Handoff, Ρ€ΠΎΠ»ΡŒ carrier eSIM ΠΈ участиС T-Mobile / Deutsche Telekom. - [Apple iPhone Handoff: What the New iOS 27 Feature Means](https://www.analyticsinsight.net/news/apple-iphone-handoff-what-the-new-ios-27-feature-means) - Π”ΠΎΠΏΠΎΠ»Π½ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹ΠΉ аналитичСский источник, ΡΠΎΠ³Π»Π°ΡΡƒΡŽΡ‰ΠΈΠΉΡΡ с описаниСм ΠΌΠ΅Ρ…Π°Π½ΠΈΠΊΠΈ ΠΈ ΠΎΠ³Ρ€Π°Π½ΠΈΡ‡Π΅Π½ΠΈΠΉ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ. ## ❓ FAQ ### Q: What is iPhone Handoff and when will it appear? **A:** iPhone Handoff is an iOS 27 feature that allows using one eSIM number on two iPhones simultaneously. The official release of iOS 27 is expected in September 2026. ### Q: Is this a full clone of the cellular profile? **A:** No. The primary iPhone continues to fully control the network settings. The second device gains access to the number in a subordinate mode, which eliminates conflicts at the carrier infrastructure level. ### Q: Which carriers will support iPhone Handoff first? **A:** According to preliminary reports, the first to support the technology will be T-Mobile in the US and Deutsche Telekom in Germany. Apple will announce the official full list of partners later. ### Q: How does geolocation work when using two iPhones? **A:** Apple has implemented dynamic geolocation distribution: the system transmits the location from whichever device is active at the given moment, rather than constantly broadcasting the coordinates of the primary smartphone. ### Q: Will the feature be available in CIS countries? **A:** At the moment, Apple has not announced a list of carriers for other regions. Availability at launch will vary significantly depending on the country and network, and the timing of support for the CIS is currently unknown.