: Download "Offline Maps" in Google Maps to navigate using the phone's built-in GPS without needing data.

: Use apps like WhatsApp , Facebook Messenger, Skype , or Google Voice to text and make calls.

: Browse the web, stream YouTube , and download apps from the Google Play Store or Apple App Store .

: These are sold at full retail price and are not tied to any specific carrier. They offer the most freedom because they aren't pre-loaded with carrier "bloatware" and can be used with any compatible SIM card later if you choose to activate service.