I have my own Verizon 2-year contract, but a family member has recently offered to let me join their family plan. I am due for an upgrade the day after Christmas this year. I'm not quite sure how to go about the process of switching over while still getting my scheduled upgrade. Provided I wait until December 26 to do anything, do I have to re-up my own contract in order to get the upgrade, or can I get the upgrade and transfer my number to their family plan at the same time? I really hope I wouldn't have to give up the upgrade that I've been waiting 2 years for.
"Upgrade" is becoming an obsolete term, at least by what most people think of as an "upgrade". It used to be a deeply discounted phone, sometimes even free, in exchange for agreeing to keep your line of service for 2 years (a contract, in other words). Generally, the new phone was a better model than what you had, hence it was an "upgrade."
Are you currently on a contract, and looking to get a good deal on a new phone with a new contract? Or are you on a Device Payment Plan, and eligible to start a new plan once your current device is paid off? And, what family plan are you wanting to join? If it's a newer plan, there are no more contracts - only device payment plans or outright purchases. In most cases, that's a better deal anyway.
A few more details about what your current plan and situation is, and what plan you are hoping to join, would allow us to give you a more accurate answer.