Turn Your Old Android or iPhone into a Home Server: Step-by-Step Guide 2026
An Old Phone Is Actually a Small Computer That old phone sitting in your drawer hasn't lost its purpose. It has a processor, RAM, storage, and most importantly, it can connect to the internet. Technically speaking, you have a small but fully capable computer in your hands. Large companies' servers work on the same basic principle: always on, connected to the internet, waiting for requests. The scale is different, of course, but the core idea is the same. In this guide, we'll turn that old phone into a real server — a messaging server, a file server, a web server. The foundation is the same set of steps for all of them. Before You Begin 1. Restrict Background App Access To prevent apps other than your server from consuming resources in the background, you can restrict background access for apps you don't actively use. Settings → Apps → select app → Battery → Background Activity → Restrict 2. Disable Battery Optimization (For Termux Only) Se...