To turn your old phone into a dash cam, install the Droid Dashcam app, mount it on your car's dashboard, and plug it in to make sure the battery doesn't die. That's all there is to it. You need four ...
Using an older or used phone might not be safe. Here's why, and what you can do to protect yourself. Andrew is CNET's go-to guy for product coverage and lead photographer for Europe. When not ...