It convenient when you unlock your phone and want to use it on a more favorable network or if you are traveling abroad and want to pay some roaming charges or when you sell the phone and only get more money for your phone like Apple database phone. Find the one that decides which iPhone should be treated as locked or unlocked, this basically means that your iPhone is recognized by all mobile networks as unlocked. I myself have one, but I intend to let my friend borrow an overseas trip, basically just to do them with WiFi - can write connections and emails and use it with their cell service while in the United States. Unfortunately, you will have iPhone with sprinting for free, or a third party company (for a fee), and even if it was unlocked, you can not do it on a domestic GSM carrier that uses only an international GSM operator. Finally, I read the reviews of several Straight Talk users as mentioned that Verizon was wearing Straight Talk IPhone and was very pleased with Verizon Network and Straight Talk customer service. Iphone 5s 64gb Silver Unlocked. I can not tell you how big the problem is because most people did not come here and tell me I signed up for Straight Talk, needed no help and had no problems. We show the most popular Asian brands, including Lenovo, Huawei, ZOPO and others, as well as a selection of international brands like HTC, Samsung and Apple. I put my MEID and Post and Straight Talk saying my Iphone compatible, but I was using My Wal-Mart Family Mobile number # ~~ POS x3dHEADCOMP for business purposes, and has the number distributed to many people. Stores That Will Unlock Phones there. If you are using a BYOP CDMA phone Straight Talk Verizon network, you must get Verizon to register (MEID) to transfer its Netzwerk.Ich update this post in the next few months to pick up the iPhone service to report from Straight Talk, then over and over again, to ask questions or to write feedback.