The iPhone 4 launch was a mammoth event but Steve Jobs didn’t answer all our questions about the new phone. We’ve been scratching our heads and peering at the specs sheet but still have some queries. From FaceTime to phone calls, dodgy docks to the iPod Touch, here are the most pressing iPhone 4 unanswered questions…

Will iPhone 4 be more reliable for making phone calls than the iPhone 3GS?
One of the biggest bugbears among iPhone owners has been dropped calls. Now that iPhone 4 has its aerial woven through its stainless steel casing, it should mean better signal and better overall phone performance. But until the handset gets into customers’ hands and out onto UK networks we won’t know how well it copes.

There’s also the little matter of how O2, Vodafone, Orange, T-Mobile and Three will handle all the extra data that iPhone 4 owners will be using. As we know from past experience, iPhone owners descending on one area tend to strip away signal like a swarm of smartphone-toting locusts.

What does iPhone 4 mean for the iPod Touch?

In the past, the iPod Touch has mimicked the look of the iPhone. Now it’s left wearing last season’s wardrobe with an inferior screen compared to the ultra-sharp iPhone 4 Retina display. We’ve seen plenty of iPod Touch camera chatter in the past so it’s likely we’ll see one added during the traditional iPod refresh in September. Could two cameras be on the cards to bring iPhone 4′s FaceTime to even more people? Apple’s been touting the iPod Touch for gaming more and more so slipping the Retina screen and a gyroscope into it too would make a lot of sense.

When will iPhone 4 FaceTime calls go 3G?
Steve Jobs said iPhone 4 Facetime calls will be restricted to Wi-Fi during 2010 but made it clear that Apple is talking with operators about bringing them to 3G in the near future. There’s already whispers that jailbroken iPhone 4 handsets could be hacked to make 3G FaceTime calls but we may be waiting some time for an official solution.

Will iPhone 4 work with older iPhone accessories?
Cases obviously won’t fit since iPhone 4 is thinner and narrower than the iPhone 3GS which is now left looking a little portly. As iPhone 4 comes packing the usual dock-connector, it should work with most docks and power accessories but compatibility issues could still crop up. iPhone 4 accessories are already flooding in though and Apple will be hoping you snap them up.

What much will iPhone 4 cost?
This is the biggest iPhone 4 query going right now but it’s also the one we’ll get an answer for soonest. With the iPhone 4 UK networks all lined up and ready to go, we should start to see iPhone 4 UK price details in the next week as preorders open. Make sure you head over to our iPhone 4 UK price debate to let us know how much you’re willing to spend and see what other gadget fans might fork out.

Let us know: what iPhone 4 unanswered questions are bugging you? Put your iPhone 4 queries to us in the comments and we’ll hunt down the answers for you.

Out June 24 | £TBC | Apple

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