Mobile data keeps your phone connected when Wi-Fi drops, but using it wisely can make a big difference. Here are the key takeaways to help you decide:

• Keeping it on gives you real-time updates, better navigation, and safety in emergencies.
• Turning it off helps save battery, reduce distractions, and avoid using too much data.
• The right choice depends on your habits, travel plans, and data limits — including how close you are to your monthly data limit.

Still unsure when to switch your data on or off? The rest of this guide takes a closer look at how your device stays connected, when it makes sense to turn things off, and how to avoid the usual pitfalls of mobile data use.