Originally Posted by hcheun
Yes, having the other phone powered up can cause problems with the ESN swap. My friend ran into this identical issue. If you read the instructions from the package or the email that verizon sends you one of the first steps is to power off your old phone.
Yep, same thing here...
The old phones were powered on in the office. It's a security issue. Shut them down completely. Take batteries out.