hey guys the Apple employee here today today I'm going to be reviewing my white iPhone 4 factory unlocked u.s. model just released you if you guys haven't seen my unboxing video go ahead and check that out I'm basically just going to be showing you guys putting my t-mobile and AT&T SIM card because it's exactly like the it's exactly like the black model nothing different except it's white and this particular model is factory unlocked so let me go ahead and put my t-mobile SIM card and you guys can see it was previous previously cut so it'll work with the with the JV sim on my previous iPhone 4 black locked to AT&T but I have now sold that and decided to get me the white one which is right here which is factory unlocked so let me go ahead and turn this on now okay so just go ahead and wait for this to boot okay just go ahead and wait for signal to come up so you guys can see there it now says t-mobile oops let's go ahead and make a call 6 1 1 which is t-mobile's customer service okay yeah so there's the proof that it's unlocked now let me go ahead and put my AT&T SIM in it that was my previous sim when I was using it on go phone this is actually that's actually a go phone SIM card but then I decided to switch to t-mobile since it's way better ok go ahead and wait for it to bring the signal bars up there you go so you can see I don't really have good reception where I live and that's also the main reason why I switched to t-mobile okay yeah so that is just gonna be my review I'm not going to be reviewing anything else since it's just like the black one like I said if you have any questions feel free to let me know oh I got a text sir while I was making the video so like I said if you have any questions feel free to let me know thanks