Smartphone

MIT’s new method lets you train AI on your phone without sharing your data We’ve gotten used to a trade-off: smarter apps in exchange for shipping personal data to company servers. Your photos help organize your gallery, your typing improves autocorrect—but that data leaves your device, sometimes in ways you might not expect. A team at MIT has published a technique that could tip the balance back toward privacy, making it feasible to train AI models directly on your phone or smart speaker without ever sending raw data to the cloud. ...

Your Phone Can Now Train AI Without Sharing Your Data – Here’s How Introduction Most AI features on your phone—predictive text, smart photo sorting, voice assistants—work by sending your data to remote servers for training. That means your typing habits, location history, or health metrics end up stored somewhere you don’t control. A new technique from MIT, published in April 2026, changes that. It makes it practical to train AI models directly on your smartphone, without ever uploading your personal data. Here’s what changed and what it means for your privacy. ...