i think the new mophie juice pack air or plus is the best, 1. it covers the the sides and back 2. it has a lay on the table design so u can lay it face down and not worry about scratching the screen 3. its made of plastic and a soft touch plastic/ rubber which also provides shock protection. 4...
if you unlock it it wont help with service, unlocking it means you can just use it with other carriers such a t-mobile,do you have a case on your phone? try taking it off i had a case that use to kill my reception, if the problem still continues, try using google voice or textfree which allow...
try holding the power button and home button down simultaneously till the apple logo appears ( keep holding both down even when u see the slide to shut off screen) this has usually worked for me
if you backed up your 3gs in itunes, it will save all your apps, texts and even recent calls, try plugging your iphone 4 into your computer and restore it as if your still using your 3gs
Been and iPhone user for a couple of years, I'm a grad student who loves technology especially mobile tech, love new apps and accessories for iPhones such as cases, batteries etc
my fav game is lego harry potter why? its a full game, it has great graphics, feels console like ( details, textures, cut scenes, etc) great audio and very fun and playable on a touch screen