# Dual-Screen Smartphones The Siam 7X Smartphone Features an E Ink Screen on the Backplate By Michael Hemsworth | Published 2015-12-25 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/e-ink-screen References: [liliputing](http://liliputing.com/2015/12/siam-7x-is-a-dual-screen-e-ink-phone-twice-the-price-of-the-oukitel-u6.html) & [siamsmartphone](http://siamsmartphone.com/) Looking to add additional functionality and efficiency to device usage, the Siam 7X Smartphone is a [dual-screen smartphone](https://www.trendhunter.com/trends/xiaomi-17-pro) that features an [e ink screen on the rear](https://www.trendhunter.com/trends/xcool-inkplay) backplate of the device for enhanced functions. Priced at $549, the Siam 7X Smartphone allows users to read a book on the rear of the device while turning off the functionality of the main screen to save power. Available for purchase for users in the United States, the Siam 7X Smartphone is an interesting example of how technology is taking a cyclical approach to bring added functionality to the latest innovations. While an e ink screen might not be purported as the most technologically advanced, it's clear that the device still has plenty of usage left as is evident with the Siam 7X Smartphone. ## Trend Insights (Trend Hunter) - Score: 4.1/10 - Popularity: 55% | Activity: 61% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Mobile](https://www.trendhunter.com/mobile) ## Key Themes ### What's Driving This Trend - **Dual-screen Devices:** Opportunity for the development of more dual-screen devices to enhance device functionality. - **E Ink Technology:** Opportunity to further explore e ink technology to create cost-effective and power-saving device enhancements. - **Cyclical Innovation:** Opportunity to bring back older technologies in innovative ways to provide added functions to new innovations. ### Who This Affects Most - **Smartphone Manufacturing:** Smartphone manufacturers can explore dual-screen technology and e ink integration for their devices. - **E-reader Manufacturing:** E-reader manufacturers can explore the integration of e ink screens into their devices to enhance functionality. - **Technology Manufacturing:** Manufacturers can explore the use of cyclical innovation to bring back older technologies in new ways for added functions to existing innovations. ## Related on Trend Hunter - [Low-Cost E Ink Smartphones](https://www.trendhunter.com/trends/bigme-hibreak-s.md) - [Book-Like Dual-Screen eReaders](https://www.trendhunter.com/trends/inkreader-duo.md) - [Long-Life E Ink Smartphones](https://www.trendhunter.com/trends/e-ink-4g-smartphone.md) - [E-Ink Display Smartphones](https://www.trendhunter.com/trends/hisense-a9.md) - [Double-Display Smartphone Concepts](https://www.trendhunter.com/trends/duo-phone.md) - [Pro-Grade E-Ink Smartphones](https://www.trendhunter.com/trends/bigme-hibreak-pro.md) - [Eye-Friendly E-Ink Smartphones](https://www.trendhunter.com/trends/bigme-hibreak.md) - [Efficient Dual-Screen eReaders](https://www.trendhunter.com/trends/gemini-dual-screens-wisdom-eink-book.md) - [Keyboard-Intact E-Ink Smartphones](https://www.trendhunter.com/trends/the-minimalist-phone.md)