Iphone 4 or iphone 4s ?

hi i am looking to buy a iphone 4 or iphone 4 s i am on 3 network so i need three network or unlock pls call me or drop a text on 07429323786.thanks for looking. Welcome to my advertisement for the best iPhone ever been released. The brand new iPhone 5 16GB is in the amazing white. This phone is already sold out in all apple stores. Therefore still have the chance of being one of the first of having it. Each phone comes with the a genuine apple store receipt and will be given to buyer of each phone. I am able to take sensible offers. Thank you for you time No Time Wasters -Brand new sealed in box Apple iPhone 5 (latest iPhone) 32GB in sleek black. -Unlocked -One year apple warranty. -Available for immediate collection on the 21st of September (release day) from Bromley (SouthEast London). -Be one of the first to own this handset which immediately sold out in the first hour it went on sale! -Cash on collection, first to collect will get. Will not reserve ;) Hi I have a 16gb iPhone 5 for sale. The phone has just been released today and are sold out at shops. Grab yourself an iPhone without having to queue for days and without waiting for weeks. 300 minutes 9 (+ 2.50 for 250MB data, optional) 600 minutes 11.50 (+ 2.50 for 500MB data, optional) 900 minutes 16.50 (+ 2.50 for 1G data, optional) 5000 minutes 21.50 (+ 2.50 for 2G data, optional) No minimum contract term. Keep your number. Very low rates for pay as you go option. Latest mobile phones available under excellent deals and benefits!