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[Q] Extremely hard Unlock SIM GS2 LTE (Skyrocket)

Hello, I recently bought a Samsung S2 Galaxy (LTE skyrocket - AT & T) of California, however, I live in Brazil and the phone came locked only for AT & T.
Here in Brazil we have a law requiring phone companies like AT & T Rogeres, etc.. Here they are Live, Tim, of course, Hi, just that they do not unlock phones abroad. I tried to contact AT & T however only support residents in the U.S., Brazilian contacted samsung and I answered that are not responsible for the distribution of this model (LTE) and that could not support.
I tried to unlock it through the cellunlocker, but I had no success in negotiation.
Researched and tested and there is no functional application for the release version LTE.
So I come to you guys asking for God's sake, who could unlock the LTE free. and if possible as it did, through that program, what a miracle it did, very grateful.
He´s
rooted (superuser) o
riginal firmware
gingerbread 2.3.5
samsung SGH-i727
kernel - 2.6.35.11
IMEI - 2012071989543

Q&a
Sent from my SAMSUNG-SGH-I727 using Tapatalk

Us here in the US under att they will not unlock either

nrm5110 said:
Q&a
Sent from my SAMSUNG-SGH-I727 using Tapatalk
Click to expand...
Click to collapse
I was ready QeA, go there and check if my answer is replied ;D. I Say another mode without sites, just manually or FREE unlock. thx

Can he use the same method for using the Skyrocket on T-mobile?
http://forum.xda-developers.com/showthread.php?t=1507825
What radio bands are used in Brazil?

Presbycusis said:
Can he use the same method for using the Skyrocket on T-mobile?
http://forum.xda-developers.com/showthread.php?t=1507825
What radio bands are used in Brazil?
Click to expand...
Click to collapse
thx I go ready about tmobile method, just one moment , and, here in Brazil, has variet of frequenc, like 850 - 900, and 1800mhz.

Presbycusis said:
Can he use the same method for using the Skyrocket on T-mobile?
http://forum.xda-developers.com/showthread.php?t=1507825
What radio bands are used in Brazil?
Click to expand...
Click to collapse
I ready, but i dont believe
---
I read, but do not think it's about the frequency, the real situation is to unlock the sim lock, and even with those mods, I believe that the cel is already unlocked them

hi. thanks for all, but I solved the problem with.cellunlocker, they finally send me the network codes freez and others. so can close this topic. thx again. ha. and really work. but a pay 25dollars .-.

just started this post...
http://forum.xda-developers.com/showthread.php?t=1599027
hope it leads somewhere

I doubt its a good idea to post imei just saying
Sent from my SAMSUNG-SGH-I727 using xda premium

c0ldm1nd said:
hi. thanks for all, but I solved the problem with.cellunlocker, they finally send me the network codes freez and others. so can close this topic. thx again. ha. and really work. but a pay 25dollars .-.
Click to expand...
Click to collapse
Dear c0ldm1nd,
I'm also brazilian, bougth a I727r (Rogers) at Miami and besides the phone is unlocked I'm not getting 3G 3G+ connection... only EDGE I'd like to know if you're able to get 3G 3G+ connection and how come was that possible.... any special procedure?

S3 SCH-R530 (US Cellular) ROM needed !!!!

there is No ROM created for US Cellular version Galaxy S3 SCH-R530 and i have a dead phone until its made . My phone is rooted but firmware did not install and now its stuck at the download screen and that's all i can do. problem is i guess there is no firmware out yet . i do know the source code is out . its on the Samsung open market . I'm just waiting for a developer to help me . , please any ones help ??

Usc g3 rom
andyp181 said:
there is No ROM created for US Cellular version Galaxy S3 SCH-R530 and i have a dead phone until its made . My phone is rooted but firmware did not install and now its stuck at the download screen and that's all i can do. problem is i guess there is no firmware out yet . i do know the source code is out . its on the Samsung open market . I'm just waiting for a developer to help me . , please any ones help ??
Click to expand...
Click to collapse
yes i'm in the same boat, except mine is working. i have root and what not but i just want a clean rom like phantom blazer. but when i installed it everything worked freaking awesome....except no cell signal since its geared for sprint only, i wonder how hard it would be to adjust it to US Cellular.

meldredge88 said:
yes i'm in the same boat, except mine is working. i have root and what not but i just want a clean rom like phantom blazer. but when i installed it everything worked freaking awesome....except no cell signal since its geared for sprint only, i wonder how hard it would be to adjust it to US Cellular.
Click to expand...
Click to collapse
Would the info here be helpful??
http://teamuscellular.com/Forum/topic/2147-stock-rom-backup-for-those-of-you-who-messed-up/
The TeamUSCellular folks seem to be starting some really good work with this phone.

Recovering US cellular S3
andyp181 said:
there is No ROM created for US Cellular version Galaxy S3 SCH-R530 and i have a dead phone until its made . My phone is rooted but firmware did not install and now its stuck at the download screen and that's all i can do. problem is i guess there is no firmware out yet . i do know the source code is out . its on the Samsung open market . I'm just waiting for a developer to help me . , please any ones help ??
Click to expand...
Click to collapse
Here is the rar file from my dropbox for CWM backup of my phone. (The file is being Uploaded)
https://www.dropbox.com/sh/ucd5lxmup5ibnxk/QxnDuVDtE8
There is one more way
Just odin the Verizon system rooted unlocked image. tar (1500 mb) Its rooted system image of Verizon. It works fine for me. All Verizon custom ROMs work too. Stock ROMs fail at the modem stage. Once the boot loaders are unlocked they will load too.The baseband remains of US Cellular.

MD5 file Question
There is a Kies updated for USCC phone. Kies downloaded a file and placed it in the Binary folder.
Named "VZW_HOME_R530UVXALG4_R530UUSCALG4_961795_REV00_user_low_ship.tar.MD5" can this be flashed using ODIN to create a stock phone. Sorry new to flashing
Nathan

maybe this will do
try go to this link : http://www.samsung.com/us/support/SupportOwnersFAQPopup.do?faq_id=FAQ00049096&fm_seq=53670
I has upgrade my SGS3 - SCH-R530U (using Indonesia cellular network - Telkom Flexi)
cheers,
CJ - Indonesia:good:

Can SCH-R530 be used on GSM network?
Hello,
Can the US Cellular SCH-R530 be used on GSM network? I read about the Verizon SCH-I535 being turned into a world phone. The AT&T rom can be flashed to the SCH-I535 and everything works. I think the only thing that cannot be flashed is the ATT modem into the verizon S3.
So can something like this be done to the SCH-R530 phone?
If anyone is willing to try or has any input, please let us know.! Thank you..

adventuressmalik said:
Here is the rar file from my dropbox for CWM backup of my phone. (The file is being Uploaded)
There is one more way
Just odin the Verizon system rooted unlocked image. tar (1500 mb) Its rooted system image of Verizon. It works fine for me. All Verizon custom ROMs work too. Stock ROMs fail at the modem stage. Once the boot loaders are unlocked they will load too.The baseband remains of US Cellular.
Click to expand...
Click to collapse
Are you sure the Verizon ROM will work smoothly in Samsung S3 R530 US Cellular and not brick the phone?
Is the Verizon S3 I535 and USCC S3 R530 have the same hardware?
thanks,

http://teamuscellular.com/Forum/forum/281-galaxy-s-iii-roms-qadiscussions/
If you haven't found help yet, this should fix you ups. All you have to do is install CWM via Odin and then flash one of these!

Would the vzw Roms for s3 work on the new metro s3 as long as the modems stay the same
Anyone know if Rom dev for metro is up
sent from Metro pcs gs3 sch r530m

travchan said:
Hello,
Can the US Cellular SCH-R530 be used on GSM network? I read about the Verizon SCH-I535 being turned into a world phone. The AT&T rom can be flashed to the SCH-I535 and everything works. I think the only thing that cannot be flashed is the ATT modem into the verizon S3.
So can something like this be done to the SCH-R530 phone?
If anyone is willing to try or has any input, please let us know.! Thank you..
Click to expand...
Click to collapse
i have also same query
does Samsung Galaxy S III S3 SCH-R530 support GSM Like Verizon S3?

javed91214 said:
i have also same query
does Samsung Galaxy S III S3 SCH-R530 support GSM Like Verizon S3?
Click to expand...
Click to collapse
any one pl update
does US Cellular S3 support GSM?

There are Cyanogenmod nightlies available for the US Cellular variant of the SGSIII.
http://get.cm/?device=d2usc
Hope this helps.
Sent from my Nexus 7 using xda premium

Unless there are different models on us cellular this may be what you want here.
http://rootzwiki.com/forum/527-us-cellular-galaxy-s-iii-development/
Sent from my SGS3 running Eclipse 2.1

Its already bad enough that CDMA phones do t get as much love as GSM phones but tohave a CDMA phone on a smaller carrier must really suck. Good luck to you all
Sent from my SCH-I535 using xda app-developers app

cell128 said:
Its already bad enough that CDMA phones do t get as much love as GSM phones but tohave a CDMA phone on a smaller carrier must really suck. Good luck to you all
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
does US cellular ver have SIM Slot?

javed91214 said:
does US cellular ver have SIM Slot?
Click to expand...
Click to collapse
Yes

meldredge88 said:
yes i'm in the same boat, except mine is working. i have root and what not but i just want a clean rom like phantom blazer. but when i installed it everything worked freaking awesome....except no cell signal since its geared for sprint only, i wonder how hard it would be to adjust it to US Cellular.
Click to expand...
Click to collapse
Ihave a sansumg galaxy III from us celular sch r530 and i live in honduras i like to unlock this phone

You should already be unlocked, us cellular sells them unlocked, other carriers don't.
Ridin the Mystic jellybean unicorn on my blazing SG3

javed91214 said:
i have also same query
does Samsung Galaxy S III S3 SCH-R530 support GSM Like Verizon S3?
Click to expand...
Click to collapse
Nope, I unlock ALOT of Vzw S3s for work, ive spent the whole day flashing different roms and trying everything to no avail, "Global mode" isnt availble as it is for the vzw s3.

Tmobil Help PLZ!!

hello i have just bought from a friend a tmobil samsung galaxy s 4g androide modle sgh-t959v firmware 2.3.6 and need to unlock it to use it on my us cellular pre paid. Does anyone know how i can do this as i have never done it before. i tried to follow the guides to no success. plz help fast!!! Thank you guys!!!

thebovin said:
hello i have just bought from a friend a tmobil samsung galaxy s 4g androide modle sgh-t959v firmware 2.3.6 and need to unlock it to use it on my us cellular pre paid. Does anyone know how i can do this as i have never done it before. i tried to follow the guides to no success. plz help fast!!! Thank you guys!!!
Click to expand...
Click to collapse
Can you describe why it wasn't successful?

http://forum.xda-developers.com/showthread.php?t=1419468
Did you try this?
Sent from my SGH-T959V using xda app-developers app

I used super click to root it. it said it worked, but I cannot see my internal memory to copy anything. It shows my sd card when I insert it but I cannot access my internal memory. Im new to messing with smart phones but not computers. my apologizefor the need of details. I am useing windows 7.

US Cellular is CDMA. You have a GSM phone. They're not inter-compatible.

Just wondering if this is possible? I am wanting to put it on as my prepaid phone for us cellular.

thebovin said:
Just wondering if this is possible? I am wanting to put it on as my prepaid phone for us cellular.
Click to expand...
Click to collapse
100% impossible. You need a CDMA phone, and I think US Cellular will only activate US Cellular-branded phones.

So im wasting my time?

Yup, pretty much.

[Q] I need help guys with sim unlock us S4 ty

Hi guys my name is Manolis and im from Greece...i search solution to my promblem but nothing worked..im here to explain further..
I have us s4 cellular sch-r970 and its didnt take my greek sim..sim invaild message..I try this one http://forum.xda-developers.com/showthread.php?t=2415587&nocache=1 but i have 2 big promblems..
1st my baseband is R970TYUFND1 that it didnt mentioned in previous post that i read no mf9 mdl or mdc..
2nd i open dial app i wrote the ##blablabla# but nothing happend phone staying in dialing app..i rly need this help guys my uncle send me 4 s4 for my family i cant do not even 1 to take our sim card..i rly need a help guys
with regrats,
Manolis..

Where your S4 come from and which carrier?
Or post your issue to one of these forums Questions and Answers Troubleshooting -
T-Mobile => http://forum.xda-developers.com/galaxy-s4-tmobile/help
Verizon => http://forum.xda-developers.com/galaxy-s4-verizon/help
AT&T => http://forum.xda-developers.com/galaxy-s4-att/help
Sprint => Sprint Samsung Galaxy S 4 > Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshooting
???? which one. It seems that it's a Sprint S4

philos64 said:
Where your S4 come from and which carrier?
Or post your issue to one of these forums Questions and Answers Troubleshooting -
T-Mobile => http://forum.xda-developers.com/galaxy-s4-tmobile/help
Verizon => http://forum.xda-developers.com/galaxy-s4-verizon/help
AT&T => http://forum.xda-developers.com/galaxy-s4-att/help
Sprint => Sprint Samsung Galaxy S 4 > Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshooting
???? which one. It seems that it's a Sprint S4
Click to expand...
Click to collapse
Hi sir..im not an expert like you as you understand,can you tell me how i found what is my phone..??my phone is US.Cellular 4glte...thats the only logo i can find..is possible to sim unlock??and as i see all asking for unlokcking codes??my phone when it opens nver ask for any code..just say in notification bar thats invalid sim..idk what to do is there someone that can help me to not throw away 4 s4??

.....

tsoupa said:
Hi sir..im not an expert like you as you understand,can you tell me how i found what is my phone..??my phone is US.Cellular 4glte...thats the only logo i can find..is possible to sim unlock??and as i see all asking for unlokcking codes??my phone when it opens nver ask for any code..just say in notification bar thats invalid sim..idk what to do is there someone that can help me to not throw away 4 s4??
Click to expand...
Click to collapse
i try to contact company in onlince chat but they blocked my ip..i curse em little cause they talking like im from mars..so??nothing yet right??

tsoupa said:
i try to contact company in onlince chat but they blocked my ip..i curse em little cause they talking like im from mars..so??nothing yet right??
Click to expand...
Click to collapse
Your last & only solution if you want to use your phone, it's to root your device.
Because it's your radio which is bad. Your baseband is for only USA and not for Greece or World West Europe (WWE)
You need to root your device and change for an European Baseband.
That's why you need to know what exactly your device:
Go to settings => About =>
Phone identity
(you will see model number, and lot of infos that you will need write somewhere for giving on your next post)
Software information
(remember these infos)
and finally click "More"
You will see your baseband and more infos that you need to give also.
Give me your model number and your device serial number, and I'll give you the good way for searching

philos64 said:
Your last & only solution if you want to use your phone, it's to root your device.
Because it's your radio which is bad. Your baseband is for only USA and not for Greece or World West Europe (WWE)
You need to root your device and change for an European Baseband.
That's why you need to know what exactly your device:
Go to settings => About =>
Phone identity
(you will see model number, and lot of infos that you will need write somewhere for giving on your next post)
Software information
(remember these infos)
and finally click "More"
You will see your baseband and more infos that you need to give also.
Give me your model number and your device serial number, and I'll give you the good way for searching
Click to expand...
Click to collapse
my phone is rooted by odin sir..
now the others..
device name :sch-r970
modem nubmer: sch-r970
android version:4.4.2
baseband version:R97OTYUFND1
kernel version:[email protected] #1
build number:KOT49H.R97OTYUSFND1
se for android status:ENFORCING
sepf_sch-r970_4.4.2_0004
secureboot status:TYPE:SAMSUNG
hardware version:R970.03
securrity software version :MDFV1.0RELEASE2
serial number:AA1F106AS/2-B
need anything else sir??

I've got a bad news for you because you cannot unlock your sim card.
In fact your phone is only use for US cellular (CDMA) not European (GSM)
Uscc is not a gsm phone the sim card slot is used for thw 4g service the phone itself is cdma
If you use "search all forums" just above and type:
Code:
Samsung galaxy s4 sch-r970 unlock
you will find a lot of posts about this subject but with all time same answer: You CANNOT
Sorry for this bad news.
Good luck

philos64 said:
I've got a bad news for you because you cannot unlock your sim card.
In fact your phone is only use for US cellular (CDMA) not European (GSM)
Uscc is not a gsm phone the sim card slot is used for thw 4g service the phone itself is cdma
If you use "search all forums" just above and type:
Code:
Samsung galaxy s4 sch-r970 unlock
you will find a lot of posts about this subject but with all time same answer: You CANNOT
Sorry for this bad news.
Good luck
Click to expand...
Click to collapse
Sir i want to mention something..yesterday i chated with samsung support and they told me that s4 all modes of galaxy s4 have both feautures of cdma and gsm..the bad is that uscc have locked the gsm..im telling you the truth the s4 from every country that came from can both support cdma and gsm not only 1 but uscc lock the gsm..i will try some things and if i find solution i gonna post it..thanks sir you are very kind and polite..

working?
tsoupa said:
Sir i want to mention something..yesterday i chated with samsung support and they told me that s4 all modes of galaxy s4 have both feautures of cdma and gsm..the bad is that uscc have locked the gsm..im telling you the truth the s4 from every country that came from can both support cdma and gsm not only 1 but uscc lock the gsm..i will try some things and if i find solution i gonna post it..thanks sir you are very kind and polite..
Click to expand...
Click to collapse
Hi my friend, I have the same problem as you with the Us cellular galaxy S4 - Did you manage to unlock it to GSM?

groovy_ZA said:
Hi my friend, I have the same problem as you with the Us cellular galaxy S4 - Did you manage to unlock it to GSM?
Click to expand...
Click to collapse
No bro still nothing ..!

Yes I realize this is an old thread but I unlocked my R970 from a corporate store only,have yet to try it out cause I'm at work bit we shall see

jball said:
Yes I realize this is an old thread but I unlocked my R970 from a corporate store only,have yet to try it out cause I'm at work bit we shall see
Click to expand...
Click to collapse
Did You unlock GSM on Your phone?

I too have an r970 from USCC. I too went to the corp location to have them courier unlock the phone. I have installed "OctOS" rom specific to this device. I have put a t-mobile sim card in the phone and get intermittent "LTE" but cannot make or receive calls. Is there anyone who has any info on this subject?

I want to use a unlocked Verizon Samsung galaxy s8 plus device on T-Mobile's Network

Will this work all right and will I get 4G LTE use an unlocked Verizon S8 plus on T-Mobile Network? Would you recommend we do anything or to work or for it to work better any information will be greatly appreciated thanks in advance

GDane1 said:
Will this work all right and will I get 4G LTE use an unlocked Verizon S8 plus on T-Mobile Network? Would you recommend we do anything or to work or for it to work better any information will be greatly appreciated thanks in advance
Click to expand...
Click to collapse
I wont get into the method their are many guides on carrier switching firmwares. But yes you could flash T mobiles firmware of equal bootloader To have Tmobiles apps.
I dont know about Verizons model They had mentioned that they where going to start Sim locking phones,As a precautionary security against theft Yea
But make sure your Device is sim unlocked first as flashing carrier firmware will not unlock