Default Need a tech

Does anyone know a tech in the Greater Toronto area that can fix my Note 3.

After reading for days i have pin pointed the problem to be with my efs folder. a bad flashed caused unknown basband and i cant get any network connection and my imei shows "null"

I have reached the end of my ability as a do it yourselfer and need help. Please if anyone knows of a tech in my area that can fix this let me know.

I have the N900T
Sony Ericsson p800
Sony Ericsson p910
iPhone 3GS
Galaxy S
Galaxy Note

Note 3