You can unlock the country lock of my iPhone.?plz help me..!

Have you tried contacting the carrier for support?

See if anything here helps.

 iPhone - How to unlock for use with a different carrier.

iPhone – Won’t activate.        

iPhone/iPad - No Service or Searching.  

iPhone - If you can't make or receive calls

iPhone - If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad

The country lock? Please explain what you mean by that. What do you want to do? Change regions for the App Store/iTunes?

See the Apple Support article(s) below.

Region - Change your iTunes Store, iBooks Store, or App Store country or region.     

If necessary, contact iTunes Support. Follow through the screens to get a chat or telephone option.  

iTunes Support – world wide   

Apple Support schedule phone call