I had my sgs4 unlocked by sprint and put it on att/tmo and had h+data with talj and text. just not as easy as putting the sim in and go there is a few steps to take in order to get it to work. also have to add the apn but thats only one step and not even the first step. also switching back to sprint is tricky to cuz the phone will get stuck on gsm. also ran into roaming problems where while on sprint it wouldn't try to roam on cdma it would try and pick up gsm networks (doesn't work wont really roam) so it can be problematic if you don't know the whole steps forward and back.
did you do the UICC unlock update? if so send me a PM ill tell you the steps. but if you had it unlocked and got a new sim card then you did a different unlock. sprint has two types of unlocks they do one is a prl update with new sim card. the other is an update they push so you can use other sim cards. "they say us sims wont work" but with a few steps it will. also you need to be on MDC or MDL baseband.
---------- Post added at 01:24 AM ---------- Previous post was at 01:18 AM ----------
no I had sprint push the UICC unlock to my phone. wasn't as easy as just put the sim in and go but only like 5 steps to get it to work.
and my method also works on the Samsung note
From what I'm guessing now, based on what you've shared. I've only unlocked the SIM card slot to be used with NON-US carriers. Which is a step in the right direction I suppose, but ultimately I'd like to use it here in the states. I am currently a sprint user (Galaxy Note 2, LG G2, S4, Tab 3), but I acquire phones else where with clean ESN's, do you (OR ANYONE) know if I would still be eligable to request an unlock code for a Sprint phone (clean ESN) not associated with my account?
Sprint does not use unlock codes. If you can put a us sim in and not get invalid sim then it will work on any us network(gsm) once put in sniffer mode/release 8 setting . Default even when unlocked it stays on realse 99 for talk and needs to be set to sniffer. For data the same thing. So what I see here on these forms is ppl changing one and not the other.
But they need to both be changed at the same time or one wont stick.
So it might work but you wont have full network access. Talj might work but no data or text any number of things can work with out the other one working. Some ppl get on tmo but only have 2g and E network thats cuz they didnt put it in sniffer/release 8 hspa+.
I have the same issue in Mexico, it is a sprint cdma device with a sim card reader behind, I tried this method:
But after the phone restart it still saying "no sim card", not sure what should be the next step or how to check if it's really unlocked
any help it's really appreciated.
Could you check something for me ##0011#. 1-1-6-3-4(revision control)-1tell me what that is set on. Just so you know for it to work tmo you need to do these steps every time. Also you cant just go into system setting mobilbe network and put it back on sprint.
---------- Post added at 02:54 AM ---------- Previous post was at 02:00 AM ----------
Did you by chance try a different sim card? Did you have to cut it out yourself? I cut my first sim and couldnt get it to read in my s4 but my iphone would read it. Seems like the s4 sim try is kinda picky.
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