Congrats on the new phone-- but before you try trading in or recycling your old model, we have another idea. You can turn it into a free, effective indoor home security camera instead. That's an ...

Turning your old phone into a security camera is free and only takes a few minutes, but there are limitations you have to be aware of.

The most notable thing here is that the Eufy SoloCam S220 has a built-in solar panel that only needs 3 hours of sunlight for ...