Originally Posted by Dubdub
To really ensure the set up is done correctly, you should call the carrier and speak to them directly. I think you need to give ATT the IMEI and the PIN to get things set up properly.
As for the ESN, I think CDMA phones use ESN, therefore it will not work on ATT. GSM phones such as ATT use IMEI.
Same as above. I had an issue with an Ebay 8830 and had to conference call between seller, VZW and me to clear it up. 8830 arrived and it was still Active!