thould be
number@alltel.net and the password can be one of two things i think...
1) blank and the ESN number should be used or 2) alltel and youll know it will work
Other things to note
A-KEY
Authentication Key =
Home SID/Home NID
Home SID/NID #1 = (Make Sure this is what you had before the upgrade, mine gets deleted every customization i do!) so for me its 1236/65535 (first is area specific, second is the same for all smartphones i think)
M.IP Default Profile
NAI =
number@alltel.net
MN HA SPI Value = 101
MN AAA SPI Value = 3E8