What is the newest mobile firmware for iPhone? The famous Cupertino-based company released iOS 8.4.1 in August making it the most recent public version of operating system for its handset users. The next version, iOS 9, should be unveiled in September. If you are planning to resell your AT&T iPhone 6 or other model and get a newer iPhone 6S / 6S Plus this fall you might want to unlock iOS 8.4.1 AT&T iPhone 6 right now.
Why do people make their gadgets SIM free? It’s not a secret that potential customers are more likely to buy a used SIM unlocked iPhone than a locked one. The retail price of a never-locked or unlocked model is much higher than on the device locked to any network within or outside the U.S.
AT&T iPhone unlock iOS 8.4.1 is now a great deal that could give you extra money to make the purchase of the “S” line more affordable. Even if you have a contract model it might be better to unlock and resell it. Not all customers are going to upgrade to iPhone 6S using AT&T program because this carrier becomes expensive.
How to Unlock iPhone AT&T Without Account
If you don’t have account within AT&T but still own a locked iPhone [run IMEI checker to make sure you are tied to AT&T network in the U.S.] – you can order factory service that doesn’t require any accounts with carriers.
You just need to learn if you are blacklisted or whitelisted, barred / blocked or clean, get your IMEI code, information about original carrier and iPhone model – and you can perform distant permanent and affordable SIM unlock of AT&T iPhone 6, 6 Plus or earlier models.
This is very simple and pretty cheap. You can be completely SIM free within a couple of days and use all possible mobile operators along with AT&T.