[HELP] [IMEI] How i can recovery IMEI lost on my Galaxy Core 2?

Hello everyone, I need help. Recently I installed a Custom ROM (CM11) in my galaxy core 2 and lost IMEI. How can I recover? I don't have a backup. Thanks to those who help :D (And sorry my english bad :D )

from xda-developers http://ift.tt/2aebWKk
via IFTTT