galaxy s4 sgh I337 at&t unlock - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Hey there, I have a samsung galaxy s4 sgh-i337 locked to at&t.
I bought an unlocking code from an ebay user.
it doesn't unlock my phone, it writes: "unlock request unsuccesful". I tried to use the defreeze code and then again the network code, still nothing.
I was referred to a guide that suppose to show me the "service mode menu", by entering *#0011# . so service mode goes on when i put that number in the dial pad, but then I suppose to do 'menu key'->'back'->'menu key'->'key input'->'1', but after I do that nothing happens, the service mode menu with all the options doesn't pop up, it stays in the same page of the service mode. somewhere down on the ServiceMode page it writes "Service:Limited". what should I do?

Talk with an at&t rep or chat online and indicate that you will be traveling and want to use this phone there and they'll give u a unlock code..
Sent from my SAMSUNG-SGH-I337 using xda premium

sameer1807 said:
Talk with an at&t rep or chat online and indicate that you will be traveling and want to use this phone there and they'll give u a unlock code..
Sent from my SAMSUNG-SGH-I337 using xda premium
Click to expand...
Click to collapse
i'm pretty sure that I already have a code, and in some reason it still doesn't work.. I'll try it anyway. write now they're on holiday.
But still, does anyone here know about a way to make that cranky menu show up?

ncamaa said:
i'm pretty sure that I already have a code, and in some reason it still doesn't work.. I'll try it anyway. write now they're on holiday.
But still, does anyone here know about a way to make that cranky menu show up?
Click to expand...
Click to collapse
Try *#197328640#

aLMosT!
khha4113 said:
Try *#197328640#
Click to expand...
Click to collapse
it took me directly to the DEBUG SCREEN menu, but I have only 5 options instead of 6. the important option is missing. option number 6, "phone control". is there any direct way to get to that menu? or to make it show the option?

Someone... Help.. please
no Mega genius here that can solve my problem?

same boat here man, this is a new problem since not everyone has 4.3 yet. Att won't even give me the unlock code since they changed eligibility few months ago to "only off contract or fulfilled contract phones." I've read one person saying the eBay unlock code didnt work on 4.3 either. And the only success i've heard is another post here on XDA saying they unlocked 4.3 using the regionlockaway app, but they apparently Odin flashed 4.2.2, did the regionlockaway while the phone had no sound/wifi etc., then Odin flashed 4.3(locked again), then flashed 4.2.2 odin again, regionlockaway'ed, then odin'ed 4.3 again and the unlock stayed. That sounds ridiculous and is not an exact science.
So i'm done with At&t's phone slavery and switching to T-mobile on a nexus till the Xperia Z1 is out. I thought this was the future.

wtfmateim65 said:
same boat here man, this is a new problem since not everyone has 4.3 yet. Att won't even give me the unlock code since they changed eligibility few months ago to "only off contract or fulfilled contract phones." I've read one person saying the eBay unlock code didnt work on 4.3 either. And the only success i've heard is another post here on XDA saying they unlocked 4.3 using the regionlockaway app, but they apparently Odin flashed 4.2.2, did the regionlockaway while the phone had no sound/wifi etc., then Odin flashed 4.3(locked again), then flashed 4.2.2 odin again, regionlockaway'ed, then odin'ed 4.3 again and the unlock stayed. That sounds ridiculous and is not an exact science.
So i'm done with At&t's phone slavery and switching to T-mobile on a nexus till the Xperia Z1 is out. I thought this was the future.
Click to expand...
Click to collapse
so what you're saying is that there's no future for these phones?

ncamaa said:
so what you're saying is that there's no future for these phones?
Click to expand...
Click to collapse
Take your phone to one of the shops which do unlocking using a box. It is possible to do it.

tronac said:
unlocking using a box
Click to expand...
Click to collapse
can you explain a little bit please? I am not aware of that method
how much do you think they'll take?

If you have another $20.50 go to Myhoian's website it's unlockcode247.com it'll take about a full day or over 12 hours usually but not longer than that he's never failed to unlock any of my phones.

I used region unlock. Unlocked my phone, put in a T-Mobile sim and it didn't asked for a code. Bam unlocked.
Sent from my SGH-I337 using Tapatalk

toxicpaulution said:
I used region unlock. Unlocked my phone, put in a T-Mobile sim and it didn't asked for a code. Bam unlocked.
Sent from my SGH-I337 using Tapatalk
Click to expand...
Click to collapse
guys please explain, i'm a noob. what's region unlock? by the way, my phone is a GSM phone.
also, what's unlocking using a box?
and about that unlockcode247 - can they help me if I already got a code from another source?
I am not from the US and I want to use my phone outside of the USA (the phone was bought in the USA and is AT&T locked).

toxicpaulution said:
I used region unlock. Unlocked my phone, put in a T-Mobile sim and it didn't asked for a code. Bam unlocked.
Sent from my SGH-I337 using Tapatalk
Click to expand...
Click to collapse
Are you on MK2?

52me52 said:
Are you on MK2?
Click to expand...
Click to collapse
I don't really know what do you mean by MK2, but if you meaning my baseband version its MF3 (yes, i know it's bad)

unlock att on mk2
I am currently running MK2 and I am having the same problem as the other guy. I am sure that is what he is on as well. Any ideas on how to get this unlocked?

gsxrchick said:
I am currently running MK2 and I am having the same problem as the other guy. I am sure that is what he is on as well. Any ideas on how to get this unlocked?
Click to expand...
Click to collapse
I used Cellunlocker.net and it was done in 24hrs. It did cost $29.99. Since I was on MK2 the only way to get it unlocked for free was through my carrier and they would not unlock.

LVGN said:
I used Cellunlocker.net and it was done in 24hrs. It did cost $29.99. Since I was on MK2 the only way to get it unlocked for free was through my carrier and they would not unlock.
Click to expand...
Click to collapse
My carrier said I was qualified to do the unlock. How are these services? Paying that much money on a limb sounds sketchy and most endorsers seem to be part of the sketchiness. Anyone else have experience using the only sites?

Jeez...

http://forum.xda-developers.com/showthread.php?t=2597973
I unlocked mine using method 2. You will not have sound until you flash modem back. At least I didn't.
I337 stock, unlocked, rooted

Related

[Q] How to Sim-unlock AT&T SGS4 on UCUAMF3 firmware

I want to sim-unlock my at&t sgs4. please help! i asked at&t for unlock codes, it too didnt work!
i tried all the methods posted here on xda developers.. can anyone please help!
wtj16 said:
I want to sim-unlock my at&t sgs4. please help! i asked at&t for unlock codes, it too didnt work!
i tried all the methods posted here on xda developers.. can anyone please help!
Click to expand...
Click to collapse
I too experienced problems unlocking my I337M device (not AT&T, it's the Canadian version, hence the "M" in device model). After trying the keypad menu method and failing, I tried sending my IMEI number into a website to generate a key, but apparently the Samsung servers were experiencing a global delay and they refunded me after two days. (This delay was confirmed from multiple sources.) I then tried a tethered method using an application offered by an unlocking website. It cost $15 (compare at $35 for the IMEI method) and it worked instantly! This was after two days' worth of trying other methods. I won't give you the exact link, but if you google "fastgsm", it should come up. Make sure it's the tethered method. Good luck.
thanx!
Te3k said:
I too experienced problems unlocking my I337M device (not AT&T, it's the Canadian version, hence the "M" in device model). After trying the keypad menu method and failing, I tried sending my IMEI number into a website to generate a key, but apparently the Samsung servers were experiencing a global delay and they refunded me after two days. (This delay was confirmed from multiple sources.) I then tried a tethered method using an application offered by an unlocking website. It cost $15 (compare at $35 for the IMEI method) and it worked instantly! This was after two days' worth of trying other methods. I won't give you the exact link, but if you google "fastgsm", it should come up. Make sure it's the tethered method. Good luck.
Click to expand...
Click to collapse
Thanx. I will try this method and get back to you. Hope it works!
Te3k said:
I too experienced problems unlocking my I337M device (not AT&T, it's the Canadian version, hence the "M" in device model). After trying the keypad menu method and failing, I tried sending my IMEI number into a website to generate a key, but apparently the Samsung servers were experiencing a global delay and they refunded me after two days. (This delay was confirmed from multiple sources.) I then tried a tethered method using an application offered by an unlocking website. It cost $15 (compare at $35 for the IMEI method) and it worked instantly! This was after two days' worth of trying other methods. I won't give you the exact link, but if you google "fastgsm", it should come up. Make sure it's the tethered method. Good luck.
Click to expand...
Click to collapse
The FASTGSM website says:- Warning
Check your phone’s software version by going to Settings > About device. If Baseband version ends with MI1 or later (e.g. MJ1), your phone is not supported for USB unlocking. Use a different unlock method or downgrade your phone’s firmware.
And iam on mf3. So i think it should work!( f comes before i)
I used the FastGSM tethered method, and it worked on my MF3 stock rooted rom. Granted, I do not have MF3 bootloaders, but it otherwise seemed to work. The instructions included inside the program have you dial *#0808#, but other instructions (like the ones on their website) have to go and install a bunch of crap to your phone and dial some other number, but I found the *#0808# will get you straight to the options you need to switch your phone over to DM mode. Also don't forget to switch it back to MTP + ADB (or MTP-only if you don't want ADB debugging on).
EDIT: also make sure you have a completely unfiltered network connection. I tried it on my work's "guest" wireless that has far fewer restrictions, but it blocks something within FastGSM's app that reaches out to their servers right before performing the unlock. It's a safety to avoid them handing out a bunch of free unlocks.
Also! I forgot that I didn't have a 100% success. It didn't unlock the phone by itself, but it did at least provide me the network unlock code. I manually entered this on my phone and it worked the first time. Don't try entering the code multiple times if it doesn't work the first time! Save a copy of the log it makes, but don't post it here (includes IMEI).
wtj16 said:
The FASTGSM website says:- Warning
Check your phone’s software version by going to Settings > About device. If Baseband version ends with MI1 or later (e.g. MJ1), your phone is not supported for USB unlocking. Use a different unlock method or downgrade your phone’s firmware.
And iam on mf3. So i think it should work!( f comes before i)
Click to expand...
Click to collapse
did fastgsm work for you? as i am on UCUAMF3 via OTA update and i am trying to do it but i get an error "Establishing communication with phone....{Fail}
i am not rooted but can root if neccessary?
i have installed samsung usb drivers from the samsung official website but have never installed Kies.
Please Help
hemsmaverick said:
did fastgsm work for you? as i am on UCUAMF3 via OTA update and i am trying to do it but i get an error "Establishing communication with phone....{Fail}
i am not rooted but can root if neccessary?
i have installed samsung usb drivers from the samsung official website but have never installed Kies.
Please Help
Click to expand...
Click to collapse
I have tried using their usb method and it didnt work and they give me full refund.
I tried free method many many many times with original firmware and the lastest and it failed everytime. I even got the unlock code from att and it also didnt work. I was able to get my phone replaced because of the unlock code didnt unlock the phone. They gave me hard time but i was able to get replacement.
The replacement had the latest firmware, so i didnt try the free method or usb unlock, i just got the code from att and it worked. The free unlock method def. does something that prevents the phone from being unlocked.
PopcornKiller said:
I have tried using their usb method and it didnt work and they give me full refund.
I tried free method many many many times with original firmware and the lastest and it failed everytime. I even got the unlock code from att and it also didnt work. I was able to get my phone replaced because of the unlock code didnt unlock the phone. They gave me hard time but i was able to get replacement.
The replacement had the latest firmware, so i didnt try the free method or usb unlock, i just got the code from att and it worked. The free unlock method def. does something that prevents the phone from being unlocked.
Click to expand...
Click to collapse
I have a Same Problem by G4 has 4.2.2 UCUAMF3 Stock Rom. I can't root it via Odin or Change to I337UCUAMDB or I337UCUAMDL version, what's wrong with Stock and Can I change to other ones to unlock it, I bought unlock code and it said successfully unlocked. but does not work
paata01 said:
I have a Same Problem by G4 has 4.2.2 UCUAMF3 Stock Rom. I can't root it via Odin or Change to I337UCUAMDB or I337UCUAMDL version, what's wrong with Stock and Can I change to other ones to unlock it, I bought unlock code and it said successfully unlocked. but does not work
Click to expand...
Click to collapse
From what I've seen on xda it appears that if you have mf3 firmware the sim unlock does not work. It's just an observation and I may be wrong.
jd1639 said:
From what I've seen on xda it appears that if you have mf3 firmware the sim unlock does not work. It's just an observation and I may be wrong.
Click to expand...
Click to collapse
I will try FASTGSM USB method now and report results
I couldn't make fastgsm usb method work. I wonder if it works for you.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
nsical said:
I couldn't make fastgsm usb method work. I wonder if it works for you.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
I tried it 15 minutes ago, it doesn't work. Failed while attempting to connect. Some security is blocking everything, no downgrade, no unlock. Idk what to do
I just did the chat with international care and they gave me the code. The code worked when I inserted the T-Mobile sim card
xisruno said:
I just did the chat with international care and they gave me the code. The code worked when I inserted the T-Mobile sim card
Click to expand...
Click to collapse
Can you please, give me contact information, I want to try it. How much is unlock code? u have MF3 right?
paata01 said:
Can you please, give me contact information, I want to try it. How much is unlock code? u have MF3 right?
Click to expand...
Click to collapse
Use the chat option to the lower right of the screen
http://www.att.com/esupport/travelAndIntl.jsp?cv=820
I am on MF3 and they did not charge me anything
This is exactly how I have unlocked all of my devices on AT&T. I just chat with international support, tell them I am going out of country and would like to use my phone there. They ask for the IMEI and within a minute give me an unlock code. Never had anyone say no, and never had issues. Unlocked S2, S3, S4, Atrix. All phones except S3 purchased on contract and still no problems.
Idk why anyone would pay $35 for something that is so easy and free and the unlock code is guaranteed to work.
geoldr said:
This is exactly how I have unlocked all of my devices on AT&T. I just chat with international support, tell them I am going out of country and would like to use my phone there. They ask for the IMEI and within a minute give me an unlock code. Never had anyone say no, and never had issues. Unlocked S2, S3, S4, Atrix. All phones except S3 purchased on contract and still no problems.
Idk why anyone would pay $35 for something that is so easy and free and the unlock code is guaranteed to work.
Click to expand...
Click to collapse
Thanks I will try to do so, problem is my device is blacklisted. will I still be able to unlock it? I bought it from craigslist and seller blacklisted it after a week.
geoldr said:
This is exactly how I have unlocked all of my devices on AT&T. I just chat with international support, tell them I am going out of country and would like to use my phone there. They ask for the IMEI and within a minute give me an unlock code. Never had anyone say no, and never had issues. Unlocked S2, S3, S4, Atrix. All phones except S3 purchased on contract and still no problems.
Idk why anyone would pay $35 for something that is so easy and free and the unlock code is guaranteed to work.
Click to expand...
Click to collapse
Thanks, AT&T international care gave me unlock code which was the same I got from http://myunlockedphone.com/, but unfortunately I can't unlock it yet, I tried free unlock and may damaged something, how Can I restore everything to default including Service mode menu.
paata01 said:
Thanks, AT&T international care gave me unlock code which was the same I got from http://myunlockedphone.com/, but unfortunately I can't unlock it yet, I tried free unlock and may damaged something, how Can I restore everything to default including Service mode menu.
Click to expand...
Click to collapse
I had the same exact issue, I called AT&T and had them replacement my phone under warranty.
PopcornKiller said:
I had the same exact issue, I called AT&T and had them replacement my phone under warranty.
Click to expand...
Click to collapse
Yes I managed to unlock it, it turned out seller blacklisted device, and I was trying to use Simple Mobile, AT&T and T Mobile (simplbo) share blacklist database

[Q] S4 MF3 Sim unlock??

I've for a AT&T S4 I337 with the MF3 update. I have already managed to root it. Is there any way to unlock the sim?? I have searched. Tried to get to the service menu and it does't let me do anything. Can I flash another rom or do something so I can unlock it.
NOplaymaker said:
I've for a AT&T S4 I337 with the MF3 update. I have already managed to root it. Is there any way to unlock the sim?? I have searched. Tried to get to the service menu and it does't let me do anything. Can I flash another rom or do something so I can unlock it.
Click to expand...
Click to collapse
Seeing how you are on the MF3 currently there is no way to flash another rom or custom recovery, your best bet would be go through att to get the unlock code.
But it won't even let me get into the service menu. I tried the codes and process they say online and it does nothing. Can someone explain why it won't budge and how and when it will be fixed?
ronnie498 said:
Seeing how you are on the MF3 currently there is no way to flash another rom or custom recovery, your best bet would be go through att to get the unlock code.
Click to expand...
Click to collapse
The service menu unlock was disabled in MF3. You have to get an unlock code from your carrier or another service.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
DeadlySin9 said:
The service menu unlock was disabled in MF3. You have to get an unlock code from your carrier or another service.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
Theres not even a place to enter an unlock code. I cut my Straight talk sim with the proper tool and inserted it and it didn't even recognize it. Still says "no sim inserted." Going to try to buy a ATT straight talk sim from the Straight talk website next.
Unlock Code AT&T, they have no idea
DeadlySin9 said:
The service menu unlock was disabled in MF3. You have to get an unlock code from your carrier or another service.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
I ported my # over from AT&T today to Straight Talk. At first it didn't like the new sim card, but after my # was ported and a few reboots the message didn't come up anymore. I now have phone & data service running on it, even though I was still under contract for a previous device (S3). I called AT&T and after a lengthy call, they said I didn't need an unlock code if I was getting service OK from Straight Talk. My old APN info is still there for them along with the one I created for 'ST'. I have no way of deleting the old APN, and who knows where, or if I'll get updates from. My only other option was to get the Google Edition S4, but I payed full price for the one I got now. Hopefully the bootloader issue will get cracked before long and I can get this ATT crap off my phone for good.
Network lock
I want to share something, could get passed the first screens all the way down to the network lock menu, no sha off options.
Haven't seen any posts regarding this.
Pictures attached
NOplaymaker said:
I've for a AT&T S4 I337 with the MF3 update. I have already managed to root it. Is there any way to unlock the sim?? I have searched. Tried to get to the service menu and it does't let me do anything. Can I flash another rom or do something so I can unlock it.
Click to expand...
Click to collapse
have you tried chainfires region lock away at http://forum.xda-developers.com/show....php?t=2470551
it worked for my s4 running MF3
tal27416 said:
have you tried chainfires region lock away at http://forum.xda-developers.com/show....php?t=2470551
it worked for my s4 running MF3
Click to expand...
Click to collapse
i can confirm this works. I tried it on my s4 and my phone is now unlocked. thanks:victory:
tal27416 said:
have you tried chainfires region lock away at http://forum.xda-developers.com/show....php?t=2470551
it worked for my s4 running MF3
Click to expand...
Click to collapse
Worked like a charm on my At&t Galaxy S4 on MF3 firmware just saved me $30 for an unlock code off Ebay Link is dead though heres the link i used...http://forum.xda-developers.com/showthread.php?t=2470551
final unlock ! done for me
there is a video on youtube called .. " Galaxy s4 MF3 unlock. "
i do have i337 ..
in the video it misses
In "COMMON" screen, select [6] NV REBUILD
Now you are in the "NV REBUILD" screen, you should see the following text:
------------------------------
Golden-Backup exist
You can Restore Cal/NV
------------------------------
Now for the final step.
In "NV REBUILD" screen, select [4] Restore Back-up
Tested on: I337
finally, after doing 4 hours of hard research and almost brick my phone planning on using .pit for downgrade..
Does anyone know the default settings?
Sent from my SGH-I337 using XDA Premium 4 mobile app
malboro13 said:
there is a video on youtube called .. " Galaxy s4 MF3 unlock. "
i do have i337 ..
in the video it misses
In "COMMON" screen, select [6] NV REBUILD
Now you are in the "NV REBUILD" screen, you should see the following text:
------------------------------
Golden-Backup exist
You can Restore Cal/NV
------------------------------
Now for the final step.
In "NV REBUILD" screen, select [4] Restore Back-up
Tested on: I337
finally, after doing 4 hours of hard research and almost brick my phone planning on using .pit for downgrade..
Click to expand...
Click to collapse
Hey,
I did watch that video, but I am not sure how to get to that "Samsung Service Mode" Screen . Can you tell the steps please.
Thanks.
Ok, isnt that region lock thread just for Galaxy Note 3s? and on MF3, doesnt seem like the service menu will come up at all, so kinda curious too how people are making that work.
xuanphucn said:
i can confirm this works. I tried it on my s4 and my phone is now unlocked. thanks:victory:
Click to expand...
Click to collapse
lylon said:
Worked like a charm on my At&t Galaxy S4 on MF3 firmware just saved me $30 for an unlock code off Ebay Link is dead though heres the link i used...http://forum.xda-developers.com/showthread.php?t=2470551
Click to expand...
Click to collapse
Hey did you guys talking about region unlock or carrier unlock?
Can you please share steps you followed, it will be a great help.
Thanks.
It's been mentioned that region unlock has had a positive affect on the Sim unlock.
However Sim unlock and region unlock are totally different from one another.I used the free unlock method when I was MDL and only used the region unlock with MF3 .will I ever really know if the region unlock worked?probably never.
I am still Sim unlocked
Sent from my SPH-L720 using XDA Premium 4 mobile app
mild4u said:
Hey did you guys talking about region unlock or carrier unlock?
Can you please share steps you followed, it will be a great help.
Thanks.
Click to expand...
Click to collapse
root ur phone and download the region unlock app on google play and done :fingers-crossed:
Again, the region lock claims for note 3... so if people say it works on S4.. why isnt it listed on the app? Would love some confirmation.
lylon said:
Worked like a charm on my At&t Galaxy S4 on MF3 firmware just saved me $30 for an unlock code off Ebay Link is dead though heres the link i used...http://forum.xda-developers.com/showthread.php?t=2470551
Click to expand...
Click to collapse
:good::good::good: I tried this and working like a charm.. !!!! I tried Simple Mobile card...
Thanks xuanphucn....it work fine.
xuanphucn said:
root ur phone and download the region unlock app on google play and done :fingers-crossed:
Click to expand...
Click to collapse
Mysticalses,
I was scared at first but thought to give it a try...
- Rooted the phone using a video on youtube: Root Your Samsung Galaxy S4 [ by OfficialSoftModder]
- RegionLockAway
Mysticales said:
Again, the region lock claims for note 3... so if people say it works on S4.. why isnt it listed on the app? Would love some confirmation.
Click to expand...
Click to collapse
Ditto...checked with Simple Mobile card though not activated so wasn't able to test calls...but at least it didn't ask for a unlock code or anything and showed SimpleTalk voice mail notification....
mysocks said:
:good::good::good: I tried this and working like a charm.. !!!! I tried Simple Mobile card...
Click to expand...
Click to collapse

[Q] Best way to SIM unlock my SGH-1337 MF3 Phone?

I want to know what the best method is for unlocking my Galaxy S4 SGH-1337 MF3 build Currently running on the airvoice network. I do NOT have an AT&T account but should I still give them a call and ask for an unlock code? or use an unlocking service? also from my understanding there is no sim unlock method for the MF3 build currently.
Thanks in advance!
Drake9897 said:
I want to know what the best method is for unlocking my Galaxy S4 SGH-1337 MF3 build Currently running on the airvoice network. I do NOT have an AT&T account but should I still give them a call and ask for an unlock code? or use an unlocking service? also from my understanding there is no sim unlock method for the MF3 build currently.
Thanks in advance!
Click to expand...
Click to collapse
If you pay full price, give them a call and they might give you the code.
House M.D. said:
If you pay full price, give them a call and they might give you the code.
Click to expand...
Click to collapse
So I'm screwed essentially?
Drake9897 said:
So I'm screwed essentially?
Click to expand...
Click to collapse
First, unlocking the sim card is not related to the version of your phone.
So if you bought it from At&t with full price, some of them they will tell you to wait 90 days before asking for the unlocking code.
If you bought it from someone, ask the previous owner to call them and to ask for the unlocking code. Otherwise, use google, and try your luck.
House M.D. said:
First, unlocking the sim card is not related to the version of your phone.
So if you bought it from At&t with full price, some of them they will tell you to wait 90 days before asking for the unlocking code.
If you bought it from someone, ask the previous owner to call them and to ask for the unlocking code. Otherwise, use google, and try your luck.
Click to expand...
Click to collapse
Yeah I'm screwed. Ugh this dang MF3 update ;-;
Drake9897 said:
Yeah I'm screwed. Ugh this dang MF3 update ;-;
Click to expand...
Click to collapse
are you talking about unlocking the phone to works with other carriers? yes you can on any version.
or unlocking the bootloader so you can use other custom roms? is yes, then you can't. only roots.
House M.D. said:
are you talking about unlocking the phone to works with other carriers? yes you can on any version.
or unlocking the bootloader so you can use other custom roms? is yes, then you can't. only roots.
Click to expand...
Click to collapse
I'm talking for other carriers. and I tried the *#0011# method and the other one witht the long string of numbers I cant remember but it never goes to the menu to let me choose [1]UMTS.
free unlock method has been known to screw people's phones up. There are several warnings throughout that thread the mention it.
Just go with the options that I mentioned, or use google, such as "Auction website" they do some kind of these service I guess.
Actually, on the AT&T MDL and MDB firmwares you were able to sim unlock it through service menu:
http://forum.xda-developers.com/showthread.php?t=2282683
http://gs4.wonderhowto.com/how-to/c...y-s4-so-you-can-use-another-sim-card-0148110/
MF3 blocked this, so the only way you can get your phone sim unlocked with the update is using ebay or cellunlocker but at a price.
haremmon said:
Actually, on the AT&T MDL and MDB firmwares you were able to sim unlock it through service menu:
http://forum.xda-developers.com/showthread.php?t=2282683
http://gs4.wonderhowto.com/how-to/c...y-s4-so-you-can-use-another-sim-card-0148110/
MF3 blocked this, so the only way you can get your phone sim unlocked with the update is using ebay or cellunlocker but at a price.
Click to expand...
Click to collapse
Yeah that's what I thought the case was. Oh well, back to trying to trade my At&t S4 for the Verizon version. Swappa is such a drag.

[Q] No unlock for at&t gs4?

My device:
At&t Galaxy S4 (US)
4.2.2 (Google Play Version)
SGH-i337
Baseband: XXXXXXXXMF3
From What I understand, it can't be unlocked for t-mobile and whatnot. I've been searching around today for a couple hours, and doesn't look like there is a working method anymore
When trying through *#0011#, pressing "1" doesn't bring up a second menu; the menu stays the same.
Unlock codes won't work because device is Region locked (I'm in the US)...
That is what I found while searching around today...
Any advice would help. I can't for the life of me find a thread that fits my description. They're all just general gs4 unlock guides from months ago...
Looking around I couldn't find someone actually post this, so I asked. Sorry if its a repeat?
So have you acquired the unlock code to know they don't work.
sent from a I337 MF3 S4
I found a guide to rooting MF3 Not sure if rooting it will help?:
http://forum.xda-developers.com/showthread.php?t=2387577
Will try to root it first....
Then see what changes in the menu...
Click Here To Win said:
I found a guide to rooting MF3 Not sure if rooting it will help?:
http://forum.xda-developers.com/showthread.php?t=2387577
Will try to root it first....
Then see what changes in the menu...
Click to expand...
Click to collapse
Rooting isn't going to make any difference, but give it a try if it makes you feel better.
If you have a ATT phone you want Sim unlocked than the code you get from ATT will work if you want to use it with
T-mobile. (Same US region)
There is an app on playstore that will region unlock the phone but it is not a Sim unlock app.
sent from a I337 MF3 S4
You mind letting me know what you did, so I can copy your steps?
I'd much rather do that than following the generic guides...
Click Here To Win said:
You mind letting me know what you did, so I can copy your steps?
I'd much rather do that than following the generic guides...
Click to expand...
Click to collapse
I did the menu unlock and it was successful for me when I was on MDL.
I'm MF3 now and because I did it before it is permanently Sim unlocked.
Region lock away v1.0 on playstore.if the playstore don't bring it up than Google search it.
sent from a I337 MF3 S4
Yeah, I found out about that one...
It's not a SIM unlock though... So there isn't a way for me to unlock it yet that I've found.
You are rather confusing to me cause the sim and region unlock are the only two things you can unlock on this phone.if you have been talking about unlocking the bootloader than your heading is correct.
" NO UNLOCK FOR S4 "
now even if your bootloader was unlocked it has nothing to do with your sim or region and the ability to use it on a network that's in the same region as your phone currently.
sent from a I337 MF3 S4
Please read forum rules before posting
Questions and Help issues go in Q&A and Help section
Thread moved
Thank you for your cooperation
Friendly Neighborhood Moderator
Sorry not trying to sound confusing.
I'm trying to unlock my mf3 Galaxy s4 for t-mobile. in the US. Don't need region unlock. (unless this makes it work on tmobile in the US?)
I've trying unlocking the phone through ATT customer service, but they can't/won't.
That's all I know so far...
U mentioned something about the region.if your phone is the i337 ATT branded/model phone keep calling ATT and lie to them that you need the unlock code for your phone cause you plan on going out of the country on the coolest vacation ever and it is cheaper for you to acquire a foreign sim card and you need the code for the sim to work.
sent from a I337 MF3 S4
I factory unlock phones as kind of a side job and all AT&T servers have changed their unlocking so it's extremely hard if not impossible to get the unlock through AT&T. You can still get a manufacturer unlock but it's pricey.
Ok I'm not understanding this... So if I get Region Unlock from the google play store will it make me be able to use any SIM card inside US?
And also where can I find a manufacture unlock?
And If all else fails is there alternate options?
Click Here To Win said:
Ok I'm not understanding this... So if I get Region Unlock from the google play store will it make me be able to use any SIM card inside US?
And also where can I find a manufacture unlock?
And If all else fails is there alternate options?
Click to expand...
Click to collapse
Its just a region unlock you still have to sim unlock it.
I understand now why its so hard for you to just call ATT for the unlock code cause its not your phone.there is no nifty little trick anymore . someone mentioned a way to mod the system to get the service menu back but it is work.GOOGLE/SEARCH
sent from a I337 MF3 S4
No, i tried calling att several times. They keep telling me I need to have it on contract for 6 months before I can have it unlocked. I dont have that time...
Every other way doesnt work for me...
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Thanks that what was I was wondering.... theres got to be a work around for mf3 users....
Id much rather do it through att, but because of their new rules I cant.
Im fairly new to android, accustomed to the easy ios exploiting, so thats why I asked so many things.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click Here To Win said:
Thanks that what was I was wondering.... theres got to be a work around for mf3 users....
Id much rather do it through att, but because of their new rules I cant.
Im fairly new to android, accustomed to the easy ios exploiting, so thats why I asked so many things.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
I think if all else fails, you can just buy the unlock code.
I've been reading the unlock thread and it seems you can get "Unlock your Galaxy S4" by unlockunit from the play store to unlock it.
Haven't tried it personally as my phone is in the mail...but I'm hoping it is a non MF3 and easy to unlock phone.
A lot to hope for, I know
http://forum.xda-developers.com/showthread.php?t=2282683
Never mind guy, I got it working wihth unlockunit app.... finally gave in and paid $25 for it......
Good to hear.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app

SIM Unlock, blocked???

has anyone tried to sim unlock their phone AFTER the update to 4.3???
I'm asking because I have a BELL i337m, upgraded to 4.3 and decided to unlock my phone after.
I tried 3 different sites to unlock my phone, they all gave me the same code and nothing happens
I tried downgrading to 4.2.2 but this wasn't very successful, its stuck in the boot animation screen
any ideas?
kyrotech said:
has anyone tried to sim unlock their phone AFTER the update to 4.3???
I'm asking because I have a BELL i337m, upgraded to 4.3 and decided to unlock my phone after.
I tried 3 different sites to unlock my phone, they all gave me the same code and nothing happens
I tried downgrading to 4.2.2 but this wasn't very successful, its stuck in the boot animation screen
any ideas?
Click to expand...
Click to collapse
I know it's not helping, but I received my Bell phone yesterday and it was shipped with baseband I337MVLUAMG1. I tried the "free sim unlock method" found on this forum, but it doesn't work. I cannot access service mode (*#0011#, Menu button, Back, Menu button, KEY INPUT, 1, OK).
Still searching for a stock rom that will have the service mode enabled...
Dont waste your time looking for a free unlocking service..Pay 29.99 USD and have it umlocked from cellunlocker..you will be happier in the long run as i am..thank me for not wasting time unlocking for free..
Sent from my SAMSUNG-SGH-I337 using Tapatalk
kyrotech said:
has anyone tried to sim unlock their phone AFTER the update to 4.3???
I'm asking because I have a BELL i337m, upgraded to 4.3 and decided to unlock my phone after.
I tried 3 different sites to unlock my phone, they all gave me the same code and nothing happens
I tried downgrading to 4.2.2 but this wasn't very successful, its stuck in the boot animation screen
any ideas?
Click to expand...
Click to collapse
I am having pretty much the same problems on my Telus/Koodo i337m. I recently updated to the most recent firmware (4.3) on the advise of cellunlocker because the code I was given was not working. None of the codes work and I can't even access the screens to do it manually. I have recently rooted it, props to Chainfire, but have no luck with most of the service screens. I'm still working with Cellunlocker to resolve the issue. I had access to all the service screens/menus on MDJ but not MG1 or MK6. Wondering if maybe the update missed some files or if the update locked some features. not sure if this is helpful but I'm happy to share whatever information I have to help others with the same problems.
Same here,
Bell with MK6. 3 sites provided same unlock codes. Nothing works, service menus different, etc.
Can't downgrade to 4.2.2 since image found crashed (bricks the phone). Image I found was at Sam Mobile
Apparently BELL will unlock it for 50$ but require original sales receipt, which I don't have (purchased phone on ebay)
Just paid BELL $57 to unlock, and their code is the same as all the sites... NOT WORKING !!!
I wanted them to give me the 1st 2 digits and last 2 digits so I can refuse before payment. But they insisted on pay first - code after - code by email. Luckly I had an employee of Bell at Bell Boutique confirm code not working.
I'm now on hold (1hr) to try see if they have another code?
kyrotech said:
has anyone tried to sim unlock their phone AFTER the update to 4.3???
I'm asking because I have a BELL i337m, upgraded to 4.3 and decided to unlock my phone after.
I tried 3 different sites to unlock my phone, they all gave me the same code and nothing happens
I tried downgrading to 4.2.2 but this wasn't very successful, its stuck in the boot animation screen
any ideas?
Click to expand...
Click to collapse
r1tesh said:
Dont waste your time looking for a free unlocking service..Pay 29.99 USD and have it umlocked from cellunlocker..you will be happier in the long run as i am..thank me for not wasting time unlocking for free..
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Click to expand...
Click to collapse
I think you're right... I ended up buying a code from unlocksamsungonline.com for 29.71$ CAD with a coupon. Received the codes in 55 minutes. Hope it works...
My provider Bell Canada, gave me the same codes as all these sites, and they don't work on 4.3. Looks like Samsung has a major BUG in 4.3 in regards to unlock. Bell says call Samsung ! Go figure!
Problem is that will take a while to fix, aka get it out to consumers....
Chatted with Samsung, they say call BELL !
WoW !!!
merledm said:
I am having pretty much the same problems on my Telus/Koodo i337m. I recently updated to the most recent firmware (4.3) on the advise of cellunlocker because the code I was given was not working. None of the codes work and I can't even access the screens to do it manually. I have recently rooted it, props to Chainfire, but have no luck with most of the service screens. I'm still working with Cellunlocker to resolve the issue. I had access to all the service screens/menus on MDJ but not MG1 or MK6. Wondering if maybe the update missed some files or if the update locked some features. not sure if this is helpful but I'm happy to share whatever information I have to help others with the same problems.
Click to expand...
Click to collapse
kyrotech said:
has anyone tried to sim unlock their phone AFTER the update to 4.3???
I'm asking because I have a BELL i337m, upgraded to 4.3 and decided to unlock my phone after.
I tried 3 different sites to unlock my phone, they all gave me the same code and nothing happens
I tried downgrading to 4.2.2 but this wasn't very successful, its stuck in the boot animation screen
any ideas?
Click to expand...
Click to collapse
Are you sure your phone is locked to bell?
Did you try putting different simcard other then Bell? Did your phone ask for unlock code when you put the other carrier's sim?
r1tesh said:
Dont waste your time looking for a free unlocking service..Pay 29.99 USD and have it umlocked from cellunlocker..you will be happier in the long run as i am..thank me for not wasting time unlocking for free..
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Click to expand...
Click to collapse
this still doesn't work.
Paid and tried from 3 different sites, they all gave me the same exact code
I think that the update has locked the bootloader and anything else.
I was reading somewhere that Samsung may be blocking the sim unlock and forcing people to pay roaming fees
Well all I can say is that this has been a huge step backwards for Samsung (from my point of view) locking/blocking features, really is a major turn off for me.
I think its time to look at other options until someone from XDA figures this one out.
Oncet said:
Are you sure your phone is locked to bell?
Did you try putting different simcard other then Bell? Did your phone ask for unlock code when you put the other carrier's sim?
Click to expand...
Click to collapse
100% locked to Bell
I have the original sim from Bell and is working fine
Put a Fido sim and asks for the unlock code, when I enter it, it says unsuccessful
everything is correct, IMEI has been verified many times and the codes also
Samsung is blocking something here with the latest 4.3 MK6 update
dcoulombe said:
I think you're right... I ended up buying a code from unlocksamsungonline.com for 29.71$ CAD with a coupon. Received the codes in 55 minutes. Hope it works...
Click to expand...
Click to collapse
did you unlock your phone with the code?
kyrotech said:
did you unlock your phone with the code?
Click to expand...
Click to collapse
Well I tried 2 times the unlock code and it didn't work. I'm doing a backup right now and I will go back to stock and try again...
dcoulombe said:
Well I tried 2 times the unlock code and it didn't work. I'm doing a backup right now and I will go back to stock and try again...
Click to expand...
Click to collapse
please let me know
BTW, I just got off the phone with Samsung, they say that I have to take this issue up with my service provider.
they are not able to help me and answer why my unlock code isn't working.
he did admit however, that there have been multiple calls about the 4.3 upgrade and that Samsung is going to release an update very shortly
let's just hope that this will rectify the issues that we have been having
kyrotech said:
please let me know
BTW, I just got off the phone with Samsung, they say that I have to take this issue up with my service provider.
they are not able to help me and answer why my unlock code isn't working.
he did admit however, that there have been multiple calls about the 4.3 upgrade and that Samsung is going to release an update very shortly
let's just hope that this will rectify the issues that we have been having
Click to expand...
Click to collapse
I restored my stock rom (Bell I337MVLUAMG1) and was able to unlock successfully my phone. I used a Telus SIM and was able to receive a phone call. BTW, I never updated my phone to the stock 4.3 update.
So it seems that you must be stock for unlock codes to work. For the record, I was using KANGAKAT KOT49H 6.0 when the code was not working...
dcoulombe said:
I restored my stock rom (Bell I337MVLUAMG1) and was able to unlock successfully my phone. I used a Telus SIM and was able to receive a phone call. BTW, I never updated my phone to the stock 4.3 update.
So it seems that you must be stock for unlock codes to work. For the record, I was using KANGAKAT KOT49H 6.0 when the code was not working...
Click to expand...
Click to collapse
I unlocked mine on 4.2.2 AMG1 flawlessly.I never updated to 4.3 and looking at the threads regarding KNOX and locked boot loader, probably I never will.
I am wondering if you can flash the MG1 radio from 4.2.2 and try unlocking the phone.If successful install the radio from 4.3 again.
I am not sure weather we are able to flash old radio on 4.3 though.

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