imei number

it is probably blocked by too many password tries.

connect it to iTunes on the computer you have synced it to and do a reset/restore.

iphonechemicalromance wrote:

I lost my phone and got it back blocked how do I reset my imei number

If you had your carrier put the IMEI on a black list, you will need to call them back and have them remove it from the list.

IMEI numbers are hard coded into the phone. You don't reset them.