If you buy iPhone in unofficial stores, then you definitely need to check iPhone serial number. For example, the seller can say that iPhone does not have a contract with operator, but in fact you will have to pay for additional services. Also seller may not untie iPhone from his account Apple ID and then remotely block it, thus requiring you a money for unlocking. These and other details can be checked by iPhone serial number. How do I know iPhone serial number? The first thing we have to say that iPhone serial number is not confidential. If you say your number to someone from … [Read more...] about Check iPhone serial number: iCloud, warranty, unlock status