In most cases, a locked iPhone can only be unlocked when you've fulfilled the contract on which you purchased the iPhone. Sometimes, though, the carrier's system doesn't update and the unlock status doesn't show up for your iPhone. Apple Iphone 5s 64 Gb Silver Unlocked. Luckily, your carrier can easily unlock your iPhone again.
Do You Need Sim Card To Unlock Iphone. When you purchase a phone on one of these carriers, it is usually locked to that carrier, which means that you can not use it with a different carrier. Additionally, when you buy a phone from one of these carriers, it usually requires a 2-year contract, meaning that you must pay a monthly service fee for phone, texting and cellular data. If you choose to end this contract before the two-year period, you will need to pay an early termination fee. Note that even if the contract is terminated, you still can only use the phone with that carrier.
However, once the contract is over, you can ask your carrier to unlock it. Some carriers will sell you an iPhone starting at $199 for 16GB, but this is because it is locked to that carrier and they can easily make tons of money off of you from the 2-year contract (although contracts are ). Unlocked iPhones can be used with any GSM carrier, which you can read about below, and still need a SIM card to be activated. The unlocked iPhone does not come with a SIM card, so you will need to get one from the carrier of your choice. Note that you cannot use an iPhone without activating it first, which requires a SIM card.