iPhone 4 is available for pre-order at AT&T store. iPhone 4 in white is unavailable for pre-order. Pricing for a SIM-free and unlocked iPhone 4 is set at £499 (16GB) or £599 (32GB) in the UK or €629 (16GB) and €739 (32GB) in France. Pre-orders are limited to two per customer.

It looks like AT&T servers are struggling to keep up, as the AT&T’s iPhone 4 upgrade ordering systems have collapsed.