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.

With the U home app, users get real-time alerts ... making it a dependable and versatile security solution. Like all Ulticam cameras, it offers free cloud storage (7 days rolling) and subscription ...

Ring makes some of the best home security cameras we've tested ... you will be able to download the update free via the Ring app.