text: i want to buy a razr and i have a cell and i want to upgrade it but i don't know how long i need it to upgrade my cell is cingular and i really want the razr and i'm getting enough money and i need to upgrade my phone. do u know how long i need my phone to upgrade it? it depends on what you sign on the contract, mine is 2 years. i could buy any phone i like anytime but of course, i have to pay the "market" amount.