Smartphone
Roaming
Device
Allowance
Upgrade
Hidden Fee
Voice
Unlimited
Data Plan
Texting
Reliability
Making and receiving phone calls
Offers limitless service
Charge not transparently disclosed
Subscription for internet access
refers to the consistency, dependability, and stability of a service
a piece of hardware such as a smartphone, tablet, or wearable gadget
a predetermined amount or limit set for usage, such as data allowance in a data plan
Replacing with a better version
Connecting outside home coverage
Sending short written messages
Advanced mobile computing device