"Cellphone bill" refers to the amount of money you need to pay for using your cellphone services, such as making calls, sending text messages, and using mobile data provided by your cellular network provider. Full definition
But that led, in many cases, to higher monthly cellphone bills as the service providers were forced to recoup the cost of subsidized smartphones over a shorter period. (moneysense.ca)
I don't, but now I do have a very expensive cellphone bill. (gizmodo.com)
Monthly cellphone bills can add up, so it's worth claiming a cellphone tax deduction when you can. (sapling.com)