Samsung galaxy s2 wanting to swap for iphone 4/4S +

here i have a samsung galaxy S2 in great condition. it was bought for pay as you go too so it wont get blocked in the future. only problem is the speaker stopped working but only costs 12 to fix. its on 3 network and i am wanting to swap for an Iphone 4 or 4S. it comes with charger, car charger, USB. can prove it works before sale or swap. i can also deliver round teeside area if needed to. Just got the 4S for my Birthday, looking to sell my i phone 4. Its in great condition as i had a pretty hardcore case so no marks or scratches. Will except payments into bank account. Unwanted upgrade. A little too advanced for me. So selling the phone. Boxed with all the in box accessories. Opened to all networks. Quick sale wanted. Price negotiable... For sale IPHONE 4S 32GB Black. Brand new. With the box and all the accesseries. NEVER USED. 420.00 FACTORY UNLOCKED TO ALL NETWORKS. With full Apple warranty. ANY ONE INTERESTED CALL OR TEXT ME ON 07766741042 - MOHAMED Kindly note: Blocked, Unknown, Private or Withheld numbers are not answered! iphone 4 for sale comes with charger, headphones, usb, 2 screen protectrs and its 16gb its jailbroken aswell its in good condition and is only 8 months old please no scammers and can be collected.