[AT&T Samsung Galaxy S II Skyrocket SGH-I727] ryancnap:
I just wanted to post here to hopefully help any other skyrocket owners avoid the hassle I went through today. Okay, so I've been reading through various threads about some issues I was having on SKY-ICS. I stumbled upon the preferred network mode selection, and didn't know at first that I needed a RAT unlocked radio. I got the RUXLF3 radio from seanz sky thread (thanks seanz!) and when it still didn't work I did some further reading and found out I needed an unlock code. SO of course after a couple threads I call AT&T with a plan of "visiting my cousin in Ireland" thinking this should be simple. Well first of all let me just say that I don't think stories are necessary, the first rep I talked to asked but I think it was more of a curiosity thing honestly. The second rep I talked to didn't even ask. Just to be clear I was dealing with the lowest tier of customer service here, nobody would put on a supervisor or any higher-ups when pressed, and in general I was getting very very annoyed because I started off thinking it would be easy. (Silly me, it IS AT&T after all).

I wound up calling them, being put on hold for a couple mins--no big deal--and then being told that the Skyrocket "isn't eligible for unlocking unfortunately." Wait, I'm sorry, it isn't..eligible? Did I hear you correctly? She then politely described to me how only certain phones are eligible to be unlocked, furthered the confusion by telling me that ALL Skyrockets are unlocked by default. Ah. I see. She was nice enough to forward me to Samsung, because she said they would have the unlock code. (You know, the one that doesn't exist because our phone's not eligible for it? Whoops wait, I meant the one that's unlocked by default and therefore wouldn't even NEED an unlock code?) So, after being forwarded to Samsung I found the first option in the Mobile menu (Press one for mobile) was 'Information on Unlock.' However after pressing one for unlock information, I got some odd automated response that my device's ownership couldn't be verified. Fast forward fifteen minutes, I've gone through mobile > Android devices to finally get a person to talk to. He was pretty confused. He first told me, and I'd been thinking the same thing, that Samsung didn't have the unlock codes; why would they, when there's no "Samsung network" to lock them to? Ok, this dude's pretty cool even after being put on hold for around ten minutes and passing the time hacking in my yard. He finally comes back, says something confusing about calling ATT again, somehow getting a supervisor, then putting them on hold while calling Samsung Dealer something-or-other number..dealer management IIRC. Not sure what he was getting at but he said he'd give me the number. Thanked him, blah blah, hang up and try the number he gave me. Your call cannot be completed as dialed. ...I was less than happy. Call ATT customer service again, different rep this time of course. I convey the tale to him, he says he can verify the fact that they don't have access to unlock codes for the Skyrocket if I give him my IMEI to run. Nothing came up I guess, he pretty much told me I was SOL. Followed a link to a cell unlocker site from xda and gave my carrier, model name, email address, IMEI. Hour and a half later I have an unlock code with simple instructions. Looks promising. Followed, and voila! It worked. When I ran the dialer code a dialogue came up on a few things that were all [OFF] so I guess it really did work. Awesome. However the network selection option under mobile data still does not work, it just defaults back to the automatic setting (GSM/HSPA/LTE). I'm ASSUMING that this is some weird glitch. I really hope so. I've been planning to switch up my phone a bit anyway and all my stuff finished backing up this morning, so I think tomorrow I'm gonna factory reset and the whole nine, and either reflash Sky or maybe go back to mod's unnamed/NexusMod ROM and pray for continued development. (Can't remember if his had network selection option, would be great if someone could verify.) SO, sorry about the huge post but it was a long day and I just wanted to put this here, hopefully people thinking to call up ATT for an unlock code won't get caught up in some goose chase. OR maybe someone will read this and inform me of what I did wrong! =D In the end I think I finally got it with the ~20.00 code that the aforementioned site emailed me. If not, oh well I'll just go cry lightly for a bit. Will post results when I reflash (hopefully tomorrow) if anyone's interested.