Do I need to pay-off a device completely to trade it in to a Carrier? to Apple? Should I Unlock?

[cellulartalk]

I have always been careful to pay off my devices completely before selling or trading them in. I may be worrying about this too much as I now understand that the phones may get re-flashed anyway. I realize any installment plan obligation remains in force. So a couple questions: 1. Do Carriers...

More... (https://www.howardforums.com/showthread.php/1922293-Do-I-need-to-pay-off-a-device-completely-to-trade-it-in-to-a-Carrier-to-Apple-Should-I-Unlock?goto=newpost)

Courtesy of WestNet Wireless
www.westnet.ca