I think that the next iPhone should have these changes:
1.Flash to watch other things than just youtube.
2.Copy and paste!!!
3.3G!!
4.If you get a TXT, have option to turn off/on pop up notifications
5.Ability to attach/send pictures via SMS (crappy phones do this gosh!)
6.Able to receive pictures from other people via TXT and not some link to a site with password!!
7.Snoozing calendar events for any amount of time, There has got to be more sounds for the calendar events, postponing/snoozing those reminders for 10, 30 minutes etc should also be an option. When i get a reminded of something and then i unlock the phone, that reminder goes away, if i have to make a call i have to go back to calendar and edit to go off a few minutes later. I missed a payment because of this. Plus i think a reminder should go away unless a person hits cancel not just unlocks the phone.
8.If youtube is loading, ability to go to main screen while it loads, or the ability to pause youtube and go back to main screen and then go back to where it was paused. Reloading something you loaded is a little annoying, especially with Edge!! lol
9.Top bar to indicate if phone is on silent, or on regular, and top bar to show txt icons, email, missed calls.
10,At leats a 3.0 MP cam maybe with a flash
11.Ability to record vid
12.Ability to record audio
13.Back cover not to be so freaken slippery! lol
14.When you play with sounds, ringtones, not to save it as default ring without asking if I wanna save or not, I hate reselecting default ring after messing with sounds so annoying, especially when I forget and then someone calls later and I don't know what's going on haha
15.True GPS!! surely iphone is capable of locating its location, so im sure its capable of being a GPS, but i think apple is holding back for those rainy days when iphone starts going downhill. its probably just a software upgrade not hardware
16. If 2-3 pages of internet are open, why cant it stay loaded where it was left off without having it reload again when you go to first or other pages. Firefox on iphone would be awesome!!!

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common apple you can do better, my $100 nokia from 5 years ago can dolike 95% of that!!

I might concider an upgrade if im satisfied