Develop Bugs

[Q] (Answered) Why do I have an I747M on AT&T?

I searched around for the differences between the I747 and I747M, and apparently it is the location... That brings up my question.
I got an I747M, but live in the US and am with AT&T. Should I be worried about anything?
Thanks!
EDIT: I have found that it is because I flashed KyanROM, which changed it from I747 to I747M. Is there any way to revert this change? I did try to change it in the build.prop, like a bunch of places said, but when I did, the phone would get to the Samsung screen the crash. I did a nandroid restore and everything was fine, except it is still showing I747M.

Nope.
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Did you install Kyan ROM?
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Ends said:
Nope.
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Hey man, thanks for the info.
Is it common that this happens? Should I be downloading AT&T stuff, or I747M stuff, or are they the same always?
Thanks again.

d3athsd00r said:
Did you install Kyan ROM?
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Actually yes, why do you ask?

bigal1542 said:
Hey man, thanks for the info.
Is it common that this happens? Should I be downloading AT&T stuff, or I747M stuff, or are they the same always?
Thanks again.
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you should be ok. No worries
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Ends said:
you should be ok. No worries
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So what modem would I flash? The I747 or the I747M?
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It is no big deal I am with rogers and I flash i747 ROM all the times on my i747m
If a flash aokp or cm10 it shows i747 but if I flash stock it shows i747m. It doesn't change your modem or anything.
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bigal1542 said:
So what modem would I flash? The I747 or the I747M?
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Flash only modems that are for your carrier.

The reason I asked that is because Kyan ROM is based on the 747m firmware. It still works with the 747, but the build.prop shows it as a 747m.
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d3athsd00r said:
The reason I asked that is because Kyan ROM is based on the 747m firmware. It still works with the 747, but the build.prop shows it as a 747m.
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Exactly. Look at the title in the Kyan forum... notice the M after the 747?.. so.. youve entered the world of ROMs?.. time to study!! Read read and read again my friend or youll get flamed like crazy around these parts. The answer to this question and probably all your questions are available in Kyans forum.. theres a thing called the OP that has all the info you need about the ROM you flash.. make sure you read it in its entirety atleast twice before flashing , sop. The OP is the very first post.. also, how to get around your issue and get the AT&T bloat back is also found in that forum.. theres a search function that will reveal all your questions and dreams.. its like magic except its just the search function.
Sent from my SGSIII

Thanks guys, I feel a little bit better about it now.
I am only worried about the model number, because I can't download any of the AT&T stuff from the market because it is restricted from I747M's (as they are Canadian, and AT&T has no use on those devices). Is there any way to change it back to I747 and get rid of the M? @daddymatt, I have spent a good 30 minutes searching, and can't find any way to revert it.
I did try to change it in the build.prop, like a bunch of places said, but when I did, the phone would get to the Samsung screen the crash. I did a nandroid restore and everything was fine, except it is still showing I747M.
Also, I will give thanks when I can. I am at my current daily limit now, so no worries, I haven't missed you.

You will need to use a i747 based ROM.
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Or just edit the build.prop to say a 747
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d3athsd00r said:
Or just edit the build.prop to say a 747
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You may want to read his post again.
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bigal1542 said:
Thanks guys, I feel a little bit better about it now.
I am only worried about the model number, because I can't download any of the AT&T stuff from the market because it is restricted from I747M's (as they are Canadian, and AT&T has no use on those devices). Is there any way to change it back to I747 and get rid of the M? @daddymatt, I have spent a good 30 minutes searching, and can't find any way to revert it.
I did try to change it in the build.prop, like a bunch of places said, but when I did, the phone would get to the Samsung screen the crash. I did a nandroid restore and everything was fine, except it is still showing I747M.
Also, I will give thanks when I can. I am at my current daily limit now, so no worries, I haven't missed you.
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You've just made a mistake editing the build.prop. keep trying. Just keep a good nandroid handy. I don't know the exact edits because i haven't the need to do it, but i know your on the right track.
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Ends said:
You've just made a mistake editing the build.prop. keep trying. Just keep a good nandroid handy. I don't know the exact edits because i haven't the need to do it, but i know your on the right track.
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I've tried so many things, I just don't know anymore. I have tried just about everything I have found online too. I am even doing a cache clear before and after changing it.
If you have a link or ideas of what to change, please let me know. I am about to give up because I honestly have no idea where to go from here.
I will give ya thanks when I can too, I hit my daily max :/

Try changing device id to I9300 instead of I747. It's the international version and will serve the same purpose. Don't know for sure if this'll work, but i think I've seen it somewhere else.
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I don't think it will work. Att uses i747m not the international version
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How many lines in the build.prop did you change? I had to change 4 in order to get Bell mobile tv working while running an AT&T rom. Try this, change
- ro.product.name=d2att
- ro.product.device=d2att
- ro.product.model=SGH-I747
- ro.build.product=d2att
This should make your phone think it's an AT&T phone again, remember keep a nandroid handy just in case...

Do i747 roms work on the t999?

I want to try miui from the i747 cuz the one for the t999 is buggy....
Sent from my SGH-T999 using Tapatalk 2

The att (I747) MIUI is made by the same guy as the tmobile version.. So whatever problems you're having might be present in that build as well.. personally I've had no problems with it.. But also the newest att MIUI won't work for tmobile..
Other than that, I've seen others in here flash att stuff and be fine.. Just don't flash modems from any other version but your own. Some have said not to flash other versions kernels either.
I've personally flashed att roms and it turned out fine. Just.. Be careful with it..
On a side note, someone in the att forums has made an auto porting script, for making any rom (mostly between the us gs3's) compatible with your version.
http://forum.xda-developers.com/showthread.php?p=32555463
if you feel confident in that, you could try that as well
Hope that helped at least a little bit..
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Yes, they should work just fine.
Sent from my SGH-T999

Read before you flash them as people are saying some do but wont wven boot. Like the miui.
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Can somebody post roms that they are running with their t999 from the i747 thanks.
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Ariel is a good one, And it's like one of the first roms you'll see in the att dev section..just go browse there and after reading those threads you'll quickly find out if it's safe for your device
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port sprint jellybean offical update ?

tmobile offical update for jellybean wont be until the end of 2012, so cant we just port the official jelly bean update from sprint? cause basically the sprint gs3 and all other carriers are the same internally except for the radio. so as long as we just flash the rom without the radio, we should be good ? i have no idea. idk. just a thought

I'm sure someone will try it out soon, but I'm pretty sure you can flash Sprint and att roms no problem
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bfranklin1986 said:
I'm sure someone will try it out soon, but I'm pretty sure you can flash Sprint and att roms no problem
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I've read only att roms are safe to flash for t mobile s3
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I believe all the carriers have pretty much identical hw except the radios. They most likely have the same partition mapping and so its probably ok to flash anothers roms.
That said, I would NOT do this without solid confirmation. Its basically an educated guess on my part. (A day or two ago someone said they flashed a Verizon rom and it worked, but again, I wouldn't take my or their word for it alone)
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Ktoonsez built his touchwiz kernel off the sprint jb source so I'm with doc on this. It's most likely safe. I'm hoping T-Mobile will release their source soon.
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Crisisx1 said:
I've read only att roms are safe to flash for t mobile s3
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Someone in general clashed Sprint and Verizon ROMs just fine. The only issue was getting radios to communicate with the software. I believe they got everything working on the Sprint ROM but Verizon had extra authentication methods.
Sent from my SGH-T999

There are unconfirmed reports that we'll get Jelly bean by the end of november which is really only 4 weeks from now.

Or we can be impatient and want it now.
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mt3g said:
Or we can be impatient and want it now.
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+1

graffixnyc released a modded version already. I'm working on a straight stock port of it but haven't had much time with it so far. (It boots and runs but I need to do more to it) I should get some time I can spend on it later today, I hope!
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bfranklin1986 said:
I'm sure someone will try it out soon, but I'm pretty sure you can flash Sprint and att roms no problem
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Are you trying to get someone to brick their phone. No you can't flash a sprint rom to a tmobile phone.
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princeasi said:
Are you trying to get someone to brick their phone. No you can't flash a sprint rom to a tmobile phone.
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Read last post here
http://forum.xda-developers.com/showthread.php?t=1951815
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bfranklin1986 said:
Read last post here
http://forum.xda-developers.com/showthread.php?t=1951815
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The OP could be telling the truth, but till a credible member verify this, I'll question the validity of his/her post. Still, even if it turns out to be true, It remains to be a question whether a sprint rom is flashable on ours or not.
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princeasi said:
The OP could be telling the truth, but till a credible member verify this, I'll question the validity of his/her post. Still, even if it turns out to be true, It remains to be a question whether a sprint rom is flashable on ours or not.
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You can flash a sprint rom just fine. will stuff not work without modification? yes, but you will not brick it.
Now, if you flash an international rom to a US variant you will brick because the partitions are different. But everything is the same on the US variants. You do have to change things in the build.prop and make other mods to make it work on GSM. The only thing bad would be if the sprint rom flashes a modem but that wouldn't even brick because you could just flash the correct modem

I also want to mention I released a straight stock port on the ATT forums. This release will work for tmo as well. You just have to change the build prob stuff to show it as a t999 instead of a i747

All the S3 from US carrier have the same hardware. It could be ported just that the radios will have to be changed. I wont doubt it if they do it :good:

OK guys no more talking, that's the official JB for the sprint version, ported for the T-Mobile
Check out. Working great on my phone.
http://forum.xda-developers.com/showthread.php?t=1960907

Looking for the LH9 modem

I'm using Wicked's JB v.4 ROM, but I've been doing some research to try and get my AllShare Cast dongle working and some peeps said flash the LH9 modem, so I'm going to try it, but I can't seem to find the modem alone. I'd like to keep my ROM.
Any help is appreciated.
Thanks,

This is the thread that I thought was complete but I don't see LH9 there.
http://forum.xda-developers.com/showthread.php?t=1880987
Do you know what carrier / country / firmware LH9 is for? Might help tracking it down.

That is not a T-Mobile S3 modem.. Check the AT&T forums
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ktetreault14 said:
That is not a T-Mobile S3 modem.. Check the AT&T forums
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Yeah, I just saw that. FML.

[Q] LTE with Multiwindow

Hello, I don't own this device but a friend does. I was wondering if there is any LTE roms with multiwindow either already made or in the works? If so what is best rom for the device? Yes I know that will be answered with opinions which s fine with me, I am just brand new here (S3 section) and looking for input. Thank you in advance!

kingnarkissos said:
Hello, I don't own this device but a friend does. I was wondering if there is any LTE roms with multiwindow either already made or in the works? If so what is best rom for the device? Yes I know that will be answered with opinions which s fine with me, I am just brand new here (S3 section) and looking for input. Thank you in advance!
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There are plenty of ROMs with multi window. However, your friend will only be connected to lte if he has the t999L which can connect to lte, if he has the t999 he cannot get lte. Also, if he's not in an area with lte he won't be able to connect to it
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Yes he does have the 999l version. Could you be so kind as to push me towards a nice multiwindow rom please.
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Any touchwiz rom you see should have multi window. Almost all are up to date as far as I know. Just look for UVDMD5 or just MD5.
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That's terrific thank you. Does deviant development do anything with the s3?
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Oh and they are all T999 roms but will work on the T999L. If wifi doesnt work let me know and ill tell you what to do.
Just stay away from the firmware and modems in case you dont know.
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That's excellent thank you! Wait. .. stay away from firmware, isn't that what I'll be changing?
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When we refer to firmware its generally the Odin flashable stuff. Official from Samsung.
But theres also a recovery flashable In the development section that has all those underlying parts of the firmware. (Bootloader, modem, rpm, tz. Each on its own partition)
If you stick to just roms and kernels you ought to be just fine.
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Ok, now I understand. I do have Odin experience. I agree with you. Because I'm not familiar and have zero experience withthat device. What does work in my favor though is that most of these Samsung device are treated and dealt with in the exact same fashion.
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