With an Evo contract the device part of the contract is a credit agreement @scottwp89 , if you are able to pay off the device payment, this will terminate the airtime part of the contract and the airtime will continue on a 30 day basis and all that needs to be done is to contact Vodafone to cancel or PAC out on PAYG or submit a STAC to an alternative network to cancel the contract. If you refer to the FAQ's on this link this is mentioned. Evo You can ask Vodafone to put the number on PAYG but this takes 30 days to complete and you are committed to having an extra 30 days airtime needing to be paid.
If you have a good phone, consider selling it, get as much as you possibly can and use the money to pay off as much as possible of the device part of the contract, this will reduce the monthly repayments. If the device is fully paid off this will also end the airtime contract and certainly no early termination charges.
As far as is known the credit for the device is provided by PayPal credit, avoid setting up a payment plan if possible, with this recorded against your credit file it will seriously affect your ability to get any credit.
