Ever wondered how different the chargers are between the iPhone 4 and iPhone 5 then wonder no more. You will note that they are different sizes however this goes further. Yes there are adapters for these phones which you can find online as you can see from the phone added below where there is an adapter between the two.
Have you ever wondered how many iPhone 4 phone are still in use today? The iPhone 4 was available for pre-order on June 15, 2010. Now 8 years later you might be surprised as to how many of these phone are still in use considering that they stopped production of the mobile phone in September 2013.