Useful as a baby monitor, navigation system or for secure banking: ten new ideas for your old cell phone. As of: February 6, 2024, 9:00 p.m By: Jörg Heinrich CommentsPressSplit Anyone who buys a new smartphone is faced with the question: What to do with the old iPhone or Android that actually still works well? 10 ideas for recycling.

IPPEN.MEDIA presents the ten best. Use your old phone as a second computer screen.