![Product Hunt 😸 on X: "This 15-year-old French boy built an open-source, DIY phone that cost only 30 €. The entire project is open source, both the hardware design and the software. Product Hunt 😸 on X: "This 15-year-old French boy built an open-source, DIY phone that cost only 30 €. The entire project is open source, both the hardware design and the software.](https://pbs.twimg.com/media/F2wKOtCakAAHAgp.jpg)
Product Hunt 😸 on X: "This 15-year-old French boy built an open-source, DIY phone that cost only 30 €. The entire project is open source, both the hardware design and the software.
![Here's how to turn your old Android smartphone into a fully functional Windows laptop - Yanko Design Here's how to turn your old Android smartphone into a fully functional Windows laptop - Yanko Design](https://www.yankodesign.com/images/design_news/2021/04/heres-how-to-turn-your-old-android-smartphone-into-a-fully-functional-windows-laptop/diy_perks_smartphone_laptop_1.jpg)
Here's how to turn your old Android smartphone into a fully functional Windows laptop - Yanko Design
![Secondhand phone upcycling DIY + why to choose refurbished tech | My Thrifty Life by Cassie Fairy | Inspiration for living a lovely life on a budget Secondhand phone upcycling DIY + why to choose refurbished tech | My Thrifty Life by Cassie Fairy | Inspiration for living a lovely life on a budget](https://cassiefairy.com/wp-content/uploads/2020/09/revamp-smartphone-upcycling-project-DIY-decals-10-1024x682.jpg)
Secondhand phone upcycling DIY + why to choose refurbished tech | My Thrifty Life by Cassie Fairy | Inspiration for living a lovely life on a budget
![Home DIY replacement of a iPhone 5s battery showing phone opened with new and old battery and internals of phone Stock Photo - Alamy Home DIY replacement of a iPhone 5s battery showing phone opened with new and old battery and internals of phone Stock Photo - Alamy](https://c8.alamy.com/comp/M65FNB/home-diy-replacement-of-a-iphone-5s-battery-showing-phone-opened-with-M65FNB.jpg)
Home DIY replacement of a iPhone 5s battery showing phone opened with new and old battery and internals of phone Stock Photo - Alamy
![Home Security DIY: Build a security camera network out of old smart phones - Life Improving Guide - A Dr Prem Community Driven GuideSite Home Security DIY: Build a security camera network out of old smart phones - Life Improving Guide - A Dr Prem Community Driven GuideSite](https://drprem.com/guide/wp-content/uploads/sites/54/2015/10/Home-Security-DIY.jpg)