Why i see NO SERVICE on my unlocked Alcatel OT-5005R / One Touch Insight !?

First go System->Network & Internet -> Cellular Network -> Allow 2G service and enable it ! Also do note that  this phone support a limited set of bands so be sure that your operator supports it. Supported bands are the ones bellow:

GSM MODE (EGSM900 / DCS1800 / PCS1900 / GSM850)

UMTS MODE (WCDMA-PCS-1900 / WCDMA-AWS-1700 / WCDMA-CLR-850)