# Carrier Changing iPhone Cases The iPhone 4 Dual Sim Adapter Case Lets You Easily Change Service By Michael Hines | Published 2010-09-01 | Unique Source: Trend Hunter, https://www.trendhunter.com/trends/dual-sim-adapter-case References: [technabob](http://technabob.com/blog/2010/08/27/dual-sim-case-for-iphone-4/) & [usbfever](http://www.usbfever.com/index_eproduct_view.php?products_id=2004) Now you can change your iPhone’s service provider on the fly, thanks to the Dual Sim Adapter Case. This [iPhone 4 case](https://www.trendhunter.com/trends/iphone-17-cases) comes with a [dual SIM card adapter](https://www.trendhunter.com/trends/vrs-design-origin), letting you switch networks whenever you see fit. The Dual Sim Adapter Case is surprisingly simple to use. You just slip it onto your iPhone 4 with both SIM cards inserted, and you can then switch between cards via your phone’s settings menu. This case only works for jail-broken [iPhones](https://www.trendhunter.com/trends/reink-case-c1), and it isn’t guaranteed to sync with all service providers. The iPhone is free at last, free at last. ## Trend Insights (Trend Hunter) - Score: 4.8/10 - Popularity: 56% | Activity: 81% | Freshness: 8% - Audience gender: 70% men, 30% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America, Europe ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Unique](https://www.trendhunter.com/unique) > [Inventions](https://www.trendhunter.com/inventions) ## Key Themes ### What's Driving This Trend - **Dual Sim Adapter Cases:** Manufacturing and selling dual sim adapter cases could disrupt the smartphone accessory industry by providing an innovative approach to phone service. - **Customizable Phone Service:** Developing technology that allows for easy switching between service providers could disrupt the telecommunications industry by providing consumers with more freedom and control over their phone plans. - **Jailbreaking Accessories:** Creating accessories that cater to jailbroken devices could disrupt the electronics accessories industry by appealing to a previously untapped market of tech enthusiasts. ### Who This Affects Most - **Smartphone Accessories:** The smartphone accessories industry could benefit from selling dual sim adapter cases, which allow for easy switching between service providers. - **Telecommunications:** Developing technology that allows for easy switching between service providers could disrupt the telecommunications industry by providing consumers with more options and control over their phone plans. - **Electronics Accessories:** Creating accessories for jailbroken devices could tap into a new market of tech enthusiasts and disrupt the electronics accessories industry. ## Related on Trend Hunter - [Two-in-One Smartphone Cases](https://www.trendhunter.com/trends/dango-adapt.md) - [Photographer-Targeted Phone Cases](https://www.trendhunter.com/trends/phone-cases1.md) - [Chic Skeletal Smartphone Protectors](https://www.trendhunter.com/trends/dango-adapt-iphone-case.md) - [Smartphone Dual Screen Cases](https://www.trendhunter.com/trends/selfix.md) - [Backwards-Compatible Smartphone Cases](https://www.trendhunter.com/trends/obsoless-iphone-case.md) - [Secondary Display Smartphone Cases](https://www.trendhunter.com/trends/selfix-case.md) - [Magsafe Phone Card Holders](https://www.trendhunter.com/trends/duoflip.md) - [Smartphone Case Pin Charms](https://www.trendhunter.com/trends/customizable-smartphone-cases.md) - [Connected Display Smartphone Cases](https://www.trendhunter.com/trends/reetle-smartink-i.md)