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For months, many people have been asking me if there’s a way to run T-Mobile 3G/4G AWS bands on the AT&T Galaxy Note 2 SGH-i317. Well, I’ve always told them the AT&T Note 2 does not have the hardware required for T-Mobile’s HSPA+ bands but I feel really stupid now as it is possible with a bit of hacking. (Actually takes like 5 minutes, very easy to do and no root is required.)
So, yes, it IS possible to enable T-Mobile HSPA+ 42Mbps bands on your AT&T Galaxy Note 2, it’s running just fine on mine.
Step 1. You will need to put your AT&T Galaxy Note 2 SGH-i317 into a special modem mode so dial “*#7284#” on your phone.
Step 2. Choose “Qualcomm USB settings”.
Step 3. Choose “RNDIS + DM + MODEM” then connect a micro USB cable from your AT&T Note 2 to your computer.
Step 4. Make sure you have Samsung USB drivers installed, if you don’t download and install Samsung USB drivers first.
Next, open up Device Manager on your computer and find “Samsung Mobile USB Serial Port” under Ports. Make a note of the COM number, in my case is “27″.
Step 5. Download and install QPST and start the QPST Configuration program.
Download:
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Download QPST
Next, hit the “Ports” tab and click on “Add New Port”.
Step 6. Uncheck “Show Serial and USB/QC Diagnostic ports only”, choose the COM port with the number you noted earlier then hit “OK”.
Step 7. Choose “Start Clients” and choose “SOFTWARE DOWNLOAD”.
Step 8. Choose the “Backup” tab, hit “Browse” for Port and choose your COM number, hit “Browse” for QCN File and make a new file name for the QCN file you will be making a backup of. We will be backing up the NV Memory on your phone just in case you mess up something. Then hit Start.
Step 9. This will restore NV Memory with T-Mobile 3G/4G bands enabled.
Hit the “Restore” tab, set Port to your COM number.
Next, choose the QCN File as “ATT_I317_AWSMOD_dumimei.qcn”. (Download below)
Then hit “Start” button. If you get a warning just hit “OK”.
Download ATT_I317_AWSMOD_dumimei.qcn
Step 10. Once that’s done restoring, your phone will reboot. Just give it about a minute as it will reboot. Once rebooted, you can insert your T-Mobile SIM card and start enjoying T-Mobile 3G/4G HSPA+!
I know for sure there’s some shortage of T-Mobile Galaxy Note 2s out there or at least T-Mobile will not sell them without contracts but AT&T Galaxy Note 2s are much easier to be had off contract. Now, you have another Note 2 option to run your T-Mobile SIM card.
Note that this mod works flawless, I didn’t notice any speed differences between my T-Mobile Note 2 and my AT&T Note 2 running with this mod. Enjoy!
Credits – XDA <— All credits goto XDA user sjravi, if this has helped you, don’t forget to donate to him, thx!
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Hi looks great, Thanks
Have you got an Idea to make the same mod from sgh-i317 AT&T to international carrier?
I’m living overseas so…
Regards
Rickync
Hi Thanks for that post
Have you go an idea to make the same mod from i317 AT&T to international modem, as I’m living overseas and connected to different carrier.
Thanks by advance
Regards
Rickync
Hi MAX,
Do you know if this method work on Galaxy Note i717?
Thanks
I would also like to ask the same question as rick, Can this method also be applied to the international version gt-n7100? can you try doing this on the international version and please let us know max =)
no do not try that that will hard brick your device
this is qnc file made for the i317 and also
people get the wind or the tmobile QNC file for the s3 and put it on the Rogers/At&t s3
what happens is that the phone goes under s75 error that is what we a hard brick
when ever i try to back up or download it tells me to connect my phone….ani have check everything and it still tells me to connect my phone…
any help?
I got this to wok no problem. I am now using my phone that was bought from Rogers on Wind here in Toronto.Thanks a lot.
Hey spaceman
Is your phobe the i317 or n7100?
hey max do you know if this will work for the international note 2 if not is there a method for it
Hi, would this also work with the tmobile month to month plan?
Hey max, Im on sprint 3g network and i know there is T-Mobile 4g network here as well. I tried to Chang my prl to see if i could put my phone in roaming to get on T-Mobiles .I Found some files in xda developers and flashed them or tried to write them but i haven’t had any luck. I did the ##3282# and clicked on prl write with the corporate file on the internal SD card. Any suggestions?
Hello do I have to do this again after flashing the jedi rom
After installing the samsung drivers software I can’t get it to show up under ports? Do I need to enable something else, debug mode or? Oddly it shows up when I reinstall the drivers, but after installation poof it’s gone again… Trying it on my laptop with XP to see if I have any better luck.
Mines COM4 but it says No Phone… Is there something wrong?
I had to cable unlock it (I believe) cause there was no “NW Lock NV Data Initiallize” option for me, I guess cause I’m on 4.1.2
Oddly enough, before and after this mod my speeds were the same…
You won’t notice if you are in an area where Tmo has updated their towers to be more compatible with ATT phones. Your benefit will be once you get out of range of the updated towers and you connect to the older style towers. I went from getting Edge data with signal strength from -85 db to -105 db with 5 to 7 aus before the mod to mid -50s and 30+ aus. Tested along side an official Tmo Note 2 under a signal amplifier for the older AWS Tmo setup (at the local Tmo store) and got the EXACT same readings as the Tmo one after I finished. Super happy! Big props to the OP!
Hi there
Is it possible to turn on other LTE bands such as 850, 2600 mhz on note 2 korean version running only 2100 and 1800 bands?
i tried everything, your step by step instructions but i still get edge data..
will this file work on the i747 at&t galaxy s3?
will probably not work worse you may brick but I will look into the same thing for ATT S3, check back at GalaxyS3Root.com.
can you also check the n7100
Hey just logged in to post and say thank you Max for this excellent tutorial. Got mine to work like a charm.
This worked fine for me but I noticed that after I make a call it takes a long time to re-establish a data connection and sometimes it won’t at all forcing me to go into airplane mode to reset the antennas. Is there a fix for this?
I followed the instructions step-by-step and it STARTED working fine. Yesterday my connection changed to the “E” instead of 4G which forced me to restart this process. Everything was fine until this morning. Now I only have the “E” again (and I am at work so I can’t fix it right now) . Is there any way I can make this permanent, so I won’t have to continue going through this process? Or fix it from my mobile phone ? Or will I have to go through the qualcomm steps every time my 4G leaves?
There should be multiple mirrors for your DL’s.
Got to last step of DLing ‘ATT_I317_AWSMOD_dumimei.qcn’, and the server is down.
Now I’m screwed and stuck waiting. There are no other mirrors or hosts on the web.
EDIT:
If anyone is having troubles connecting to ‘downloadandroidrom.com’, XDA is hosting the file at ‘http://forum.xda-developers.com/showthread.php?t=2068041′
I would like to know if you can change the Korea Note II bands as well. Very interested!!!
After doing this mod.
Is anyone else not able to pull up their device directly via USB to access it as a mass storage device?
You’d want to go back into the dialer pad code settings and switch the settings back to normal most likely.
same here, doesn’t connect and kies doesn’t recognize the device at all
is this for 4.1.1 only? I unlocked to t-mobile on 4.1.1 did 4g hack. upgraded to 4.1.2 still have t-mobile, but on edge. I go in with *#7284# selections are both still the same as the tutorial. Connect my phone open up device manager no port selection. I can only find the phone under portable devices as Samsung SGH – I317. Is there way I can still access T-mobile 4g? Thanks.
Perfect working on my SGH-i317 note 2 from AT&T ,used on T-mobile get 4G most of the time ( before just sometime get 4G ).Thanks Max Lee for great working and help community samsung .
You sir are awesome ! This worked perfectly on my ATT note 2 I just flashed it with a T-Mobile ROM and did this afterwards, I now get 4G instead of edge in the same spots, it works flawlessly ! Thank you again for this write up !
tried this mo d but still will not work….had posted earlier about busting my screen. replacing and loosing simple mobile connectivity, will accept only AT&T sim card.
Please help
thanks
Zedomax Fan!! =)
Hi..Greetings from mexico…i need help to configure mi note 2 Verizon SCH-I605 in Mexico…i need to configure APN on a carrier named Iusacell Mexico…but i dont know exactly how to do this…=S….Pleasssee.. Heeelpp …thanks…
i forgot this… Iusacell Mexico 3G it just work with cdma phones…mi note 2 SCH-I605 suport CDMA and GSM ?? both?? or just one of this….i dont know…im lost.. :S