I am on the Verizon prepaid unlimited plan. My device, a 6620l quit working. I bought a battery for it and it still won't turn on. I went to Verizon to buy a new device. They told me that if a bought a new device, I could not stay on the same plan. I can buy a 8800l device at Best Buy. If I do that, can I just swap the SIM card from the old device to the new device?