So, I had a few old Android phones lying around, too slow for everyday use but still perfectly functional. Instead of letting them collect dust, I wondered: could I turn one into something useful?
That’s how I ended up transforming an old smartphone into a tiny Linux server and testing environment.
The setup was surprisingly easy. Installing Termux or UserLAnd directly from the App Store takes just a few taps — no rooting, no complicated setup, nothing extra needed. Within minutes, I had a working Linux shell running on my phone, ready for experiments.
What’s amazing is how capable these old devices still are. Once I connected a keyboard and a monitor, the phone suddenly felt like a real mini-PC. I could use SSH, run small scripts, host files, even test code — all on a device that used to sit forgotten in a drawer.
Sure, it’s not the fastest system in the world, but it works. And if you prefer something more storage-focused, turning an old phone into a mini NAS (Network Attached Storage) is another really fun project worth exploring.
If you’re curious how I did it — from connecting peripherals to setting up the environment — you can watch the full process in my latest video. And if you like projects that give new life to old tech, you’ll find more like this on my YouTube channel.
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