It has been announced on Twitter:
Vodafone Qatar did not announce the pricing and the actual launch date however. My personal guess is 24th or 25th because that pre-order “promotion” is going to end on the 23rd.
Make sure to register on Vodafone Qatar’s iPhone 4 page: Be first in line for iPhone 4 â€“ Pre-register now | Vodafone Qatar.
Arabic version of this post on SaudiMac Arabic Edition.