yashsingh1/xdaforums huggingface dataset:
[AT&T Samsung Galaxy S 4 General] Product F(RED):
Do not try this on the i9505. This is only for the i337 and i337M. You're lucky you didn't screw up your phone. Also, I don't think Argentina uses Band 4 for LTE anyways.
[AT&T Samsung Galaxy S 4 General] andrespicho:
Argentina uses Band 3, my phone says GT-I9505 under model number but i´m sure is i337. Anyway, is there a way to free my phone for all bands? I travel a lot.

---------- Post added 11th February 2015 at 12:20 AM ---------- Previous post was 10th February 2015 at 11:34 PM ----------

I have a GT-I9505 and I need to use LTE Band 4, is there any way to do this?
[AT&T Samsung Galaxy S 4 General] Product F(RED):
If it's i9505, there's no way. The hardware is different. I believe LTE Band 3 should work already for the i9505 though. Other than that there's no way to enable Band 4 on the i9505.
[AT&T Samsung Galaxy S 4 General] kb8no:
Now there's a great question. Is your daughter on the same plan? If she has fast data on your plan and you don't thr n not throttle. If she is not on your plan then her SIM should have worked in your phone. So this is not it.

So Tmo uses band 4 1700 (AWS) and band 2 1900. Do a *#2263# and go to LTE. First pick band 4. It will force band 4 at the expense on every other band. See if it works. Do the same for band 2. What do you get?
[AT&T Samsung Galaxy S 4 General] ozoneaction:
yes my daughter is on the same $30 tmobile plan as i am. so i guess if my sim card was being throttled it wouldn't have let her get 3G and H unless tmobile puts some kind of "cookie" like windows uses on your phone to throttle. although i have wiped the phone so many times lately i doubt that. when i use 2263, choosing band 4 or band 2 both give me the circle with diagonal line. still hope to visit some different stores this week and see if i can try their sims. thanks again for listening to my tale of woe ;)
[AT&T Samsung Galaxy S 4 General] ozoneaction:
I guess really my problem is....if I use the 2263 menu and select WCDMA I get a circle with diagonal line instead of bars. Starting to think I have a hardware problem since the tools say the bands are enabled. After reading and reading all this stuff it starts making sense and you begin to understand more and more. And as I was googling around I read "i would suggest you odin flash to firmware I337UCUAMDL, i have found the MDL firmware to work great with tmobile’s 4g and LTE connection without needing to flash the QCN file." So maybe I will out of curiosity flash to this just to see what happens. Unless there is a reason I shouldn't
[AT&T Samsung Galaxy S 4 General] destructionj:
Last I read odining back to MDL is not an option but that very well could have changed.

However I did try this MK2 downgrade at one point and it did work on my I337.

http://xdaforums.com/showthread.php?t=2663545
[AT&T Samsung Galaxy S 4 General] Alejandro R:
Rndis + dm+ mode

I am trying to conect my Phont to QPST, but when I change to RNDIS+ DM +MADE , the computer dosent recognize it.

I got the drivers, When the Phone is in MPT + ADP the PC recognaize it
[AT&T Samsung Galaxy S 4 General] destructionj:
post 1130 says

1. dial *#9090#

2. select [2]DM/DUN over HSIC

3. phone automaticlly reboots.

4. QPST should detect the S4.

did you try that?
[AT&T Samsung Galaxy S 4 General] Alejandro R:
thanks,

Its a S5 G900F, with Android llolipop

I did that and its says

DIAG CONFIG

Not Support

I think did do this to prevent that we change configuration
[AT&T Samsung Galaxy S 4 General] Product F(RED):
Don't do this with an S5. I don't understand why people keep trying to flash this thing on different devices. You're going to f*ck up your modem.
[AT&T Samsung Galaxy S 4 General] patriarq:
I'm interested in switching from Koodo to Wind, and thus, must enable AWS

I've followed all instructions in OP's guide correctly (as far as I can tell)...

NOW - how can I be sure that AWS is successfully enabled on my phone?

When I search for "Available Networks" from my phones settings, the results are as follows:

-Koodo

-Bell

-Rogers

"WIND" doesn't appear in this list... and I cannot be sure whether this is due to my failure to enable AWS on my S4, or the possibility that I could be in a location that is not serviced by Wind (I hear they have signal issues, and I'm somewhat on the 'edge' of their service area).

EDIT: So i just went for a drive, and checked 'available networks' on my phone about 200 feet from the front door of our local 'wind mobile' store... so I'm thinking AWS must not have successfully enabled on my phone.... how can i confirm this?! Is there something I can check in settings?

And how should I fix this? Is there any harm in going over each step in OP's tutorial for a second time, or can you refer me elsewhere?

thx.
[AT&T Samsung Galaxy S 4 General] patriarq:
can anybody please help me?

I've unlocked/rooted according to the cf-auto-root method . from the sounds of things, others here have used this method and these files to successfully root, unlock, and enable AWS on these phones.

I've followed the guide in OP about 5-6 times... I followed all steps, and have tried this on both "RNDIS + DM+ MODEM" and "DM+ MODEM + ADB". I've also rebooted my phone about 50+ times, and left my phone powered-off all of night last night. No matter what I try, the only networks I'm seeing are "Koodo, Rogers, Bell". I've even checked 200 feet from my local WIND MOBILE retail location (they use AWS).

What do I do now? How can I figure out where I've been wrong. I see absolutely no point in doing that AWS tutorial for the 7th/8th time until I've tried something else or changed some other settings.

How could I check if my unlock/rooting was successful? I wonder if it might be a good idea to follow the steps from the cfa-root tutorial again (Im currently at 4.4.2 and baseband NI2 - what more can I tell you?)

I'm trying so hard. This phone is nothing but a headache and a heartache. Please advise me, I need help badly... at my wits end.
[AT&T Samsung Galaxy S 4 General] patriarq:
fixed. this was the key!

provides us a way to test AWS, and ended up fixing my problem. I switched to '1700', checked my networks, and finally WIND appeared! (though it was all alone). I switched back to 'ALL' , and now WIND appears amongst the rest of carriers available to me (koodo, rogers, bell, wind)

great, thanks all!
[AT&T Samsung Galaxy S 4 General] Product F(RED):
That's not normal behavior though. For the i337 (AT&T model) at least, that step wasn't necessary. Furthermore, I advise people from doing this. In your case it's ok because WIND does not have LTE or EDGE. But when you do this in general, you're telling the phone ONLY to use WCDMA, not EDGE or LTE. But again in your case it's ok. Weird that it was required though.
[AT&T Samsung Galaxy S 4 General] patriarq:
Yikes.. I wasn't aware of that..

I'm with Koodoo for the time being, and now that you mention it I'm no longer getting LTE. I think this step was necessary in my case for some reason, to activate the 1700 band ... but the phone tends to recognize Wind as an available carrier now, along with the others in my area. Maybe if I switched away from wcdma-exclusivity, Wind might still appear.

How can I do this? How do I reverse wcdma-exclusivity so that I can use LTE as well? Do I just switch servicemode to automatic? (tried this, and my phone restarted to 'wcdma/gsm mode only' .. will this change automatically? strange in any case, since im currently on koodo with LTE :/ )

... like you said, this won't be an issue once I switch to Wind but for the time being and for future reference I think it's important to know.

Thanks a ton for pointing this out, btw - I would not have realized this myself ....
[AT&T Samsung Galaxy S 4 General] Product F(RED):
That's ok. Yeah just set it to automatic.
[AT&T Samsung Galaxy S 4 General] Harvey1993:
Going back to LTE

Hey guys,

I enabled aws using the instructions in this thread and it worked perfectly.

Now I want to switch back to LTE(Fido) and whenever I insert the fido sim

my phone displays NO SIM.UNFORTUNATELY I DONT HAVE THE BACKUP FILE ANYMORE.

QUESTION: Can I use the backup file from another Lte s4 to bring my phone back to LTE using the same procedure?

If yes, Can someone send it to me please?

Any kind of help is highly appreciated.

Thanks guys.
[AT&T Samsung Galaxy S 4 General] LedHendrix:
I followed the steps. the phone can find Wind Home which is my network. It works. However when the phone sleeps I lose signal. When the phone wakes it gets the signal back but sometimes it doesn't come back. Anyone know what is happening?
[AT&T Samsung Galaxy S 4 General] boomerjp:
Hello,

I am using an AT&T SGH-i337 on t-mobile to try to get AWS activated, and the instructions here are not working for me. When I try to use QPST to restore the 337_AWS.qcn it stops at 5% and says "Invalid command from the phone".

I've done some research, and it appears that QPST does not work with the baseband version I am running. My phone came with Android 4.4.4 build number I337UCUFNJ4 and baseband version I337UCUFNJ4 as well. I rooted and installed Safestrap 3.72, and then flashed an older baseband version I337UCUAMF3, to attempt to get QPST to work. However, with my phone running Android 4.4.4 Baseband version I337UCUAMF3 but build number I337UCUFNJ4, my phone could not connect to any mobile network, and it also couldn't connect to QPST for more than a couple seconds at a time. I have since restored my baseband version back to I337UCUFNJ4, and the phone is working fine except for no AWS bands.

So, I'm looking for a method to enable AWS from a fresh Android 4.4.4 I337UCUFNJ4. Do I need to downgrade to Android 4.4.2 I337UCUAMF3 in order have a consistent connection to QPST? I'm at a loss as to what to do, and I don't want to brick my phone trying to do this.
[AT&T Samsung Galaxy S 4 General] VerminX:
Your baseband needs updating.

Same thing happened to me.

V.
[AT&T Samsung Galaxy S 4 General] destructionj:
Try this.

http://xdaforums.com/galaxy-s4-att/general/enable-aws-i337-roms-nj4-4-4-4-t3016651
[AT&T Samsung Galaxy S 4 General] boomerjp:
Thanks for the link destructionj.

I went through the process like you described, but I am still not able to detect and pick up AWS frequencies. I still only get Edge or 4G UMTS or HSPA+, or no service at all (this seems to be worse than before I tried this too).

I tried again by reflashing FNJ4 modem, and also by enabling USB debugging (not sure if that is needed) but that did not work either. I also tried to manually set my service to WCDMA 1700 band using *#2263#, but I was not able to detect any networks at all.

Looking at this, I suppose that it could be that there is no AWS support where I live, but that seems unlikely since I know people who have T-Mobile in the area that don't have issues getting 3G. I'm going to try a couple more things, but thought I would at least leave this feedback on where I'm at.

Also, when I notice I have no service, when I restart (not moving my phone) I can connect to 4G and/or EDGE without any trouble, although it doesn't last for very long.

EDIT: So, I found that I am getting spotty 3G HSPA+, at least according to an app called OpenSignal. The status bar says 4G when I'm connected, so I misunderstood that. So at least for now it looks like I'm connected to AWS bands.

HOWEVER: My coverage is really wacky. In my apartment I will get service for maybe 10 minutes, then it will cut out and I will not be able to connect to anything until I restart my phone. I have no idea what is causing this, and I'm tempted to try a full restore to factory settings to see if something I did while trying to get this to work fixes the issue. Any advice?
[AT&T Samsung Galaxy S 4 General] TmIsT3r:
Thank YOU!

Thanks guy! My S4 is up and running on Wind network now! This is my far the best forum I have joined in a while. I hope to become an active contributor to this forum very soon!

Please keep up the awesome work!

Cheers,

Thomas
[AT&T Samsung Galaxy S 4 General] MAGICPERF:
unfortunately, in my end it says: No Phone next to the port...any ideas??
[AT&T Samsung Galaxy S 4 General] edmond411:
app not installed

solved plaese ignore
[AT&T Samsung Galaxy S 4 General] hv6478:
Worked like a charm on my Rogers i337m. Tried it with a few different radios, from what I recall MK6 worked just fine, but I was on a 4.4.2 ROM each time. I'm on Mobilicity in Canada now.

Any idea how we may be able to get the m919v radio for Mobilicity or WIND to work on the i337m? I feel like that would help the reception if nothing else. I'm getting 2-3 mbps download in general, seems a tad slow. I'm using the latest official Rogers modem right now. Any ideas/suggestions?
[AT&T Samsung Galaxy S 4 General] edmond411:
texting works but calling doesnt

Hey guys, i recently got my samsung galaxy s4 AWS unlocked thanks to you guys, but i met a problem. I can send text messages and receive them fine, but when i call my phone freezes up and crashes and i dont receive calls. Im not sure what the problem is but just a question, was i supposed to config both the ports that showed up on QPST config i got com5 and com6, but the guide said usually second one so i only did the second one. Was i supposed to do both of them or just that one and theres some other problems? Please help me, thanks a lot
[AT&T Samsung Galaxy S 4 General] ozoneaction:
Tmobile AWS

Have been trying to get this to work for a while on my SGH-I337. Am a Tmobile customer and get mostly EDGE but sometimes 4G LTE. Just did a "return to stock" to NJ4 and rooted. Went to RF_NV_Manager to change line 1877 but it already shows "115868544". If I understand correctly, to verify that I have AWS, I go to *#2263# menu and select WCDMA 1700 I should see bars and HSPA. But instead I just get a circle with diagonal line. Any idea what I am not understanding?
[AT&T Samsung Galaxy S 4 General] talha746:
This might be a stupid question but if i enable AWS on 4.3, can i install this custom rom: http://xdaforums.com/showthread.php?t=2537495
[AT&T Samsung Galaxy S 4 General] mark1000:
will AWS work after updating to anroid 5.0 from samsung?

Hi, I am wondering, My S4 is rooted unlocked and has AWS enabled from a cell store, if I upgrade my S4 from samsung website from the anroid 4.42 current to anroid 5.0 in future, will it lock back my AWS and I have to patch it again? thanks.
[AT&T Samsung Galaxy S 4 General] troc69:
After a lot of reading and testing i finally got my S4 set to AWS band (WIND). The tutorial was great but, i couldnt find my phone (0) in QPST after trying every single option in the *#8080# menu and factory resetting twice, Samsung USB drivers, different computers, nothing was working.

my phone was 4.4.2 S4 SGH-i337M Fido Canada.

c/p from Allen Ros:

To everyone not getting the (0) detection on QPST: I've stumbled upon a post on XDA forums and a fix for me that worked is -- 1) enter *#9090# on dialer, 2) CLICK on the #2 - DM/DUN over HSIC, 3) phone should reset; just connnect the cable back in and try QPST again. Hope this helps.
[AT&T Samsung Galaxy S 4 General] pat_03:
Help! NO Access to USB settings after Flash

I just Flashed 5.0.2 CM12 to my S4 i337m and I no longer can get access to my USB settings (*#0808 doesn't do anything) so the AWS enable I did yesterday is now gone and I can't get into the menu to try and do it again, Please can someone point me in the right direction! I was supposed to sign up with a new provider (Eastlink) tomorrow but I can't do it if I can re-enable AWS 1700 band. Thank you!
[AT&T Samsung Galaxy S 4 General] Questeor:
Help! Error when trying to "restore" 337_AWS.qcn

Hello. I am pretty new at working on phones.

I purchased a Samsung S4 GT-i9505 in the Philippines. Its running Android 4.4.2

Looks like I need to enable AWS as it does not see WIND mobile in Canada.

I was able to follow the instructions at the beginning of this thread.

I can dial the *#0808# and change the setting and see the phone on Port 6.

I was able to complete the backup of the QCN

I am now trying to do the "Restore" of the downloaded 337_AWS.qcn using the QPST Software.

The restore gets to 5% and I receive an error message

"Received an invalid command from the phone"

Any ideas on how I can proceed to enable AWS

Thanks,
[AT&T Samsung Galaxy S 4 General] Product F(RED):
You cannot do this mod on the i9505. It's only for the i337, which has the same hardware as the M919, but with AWS disabled in the modem. The i9505 has entirely different hardware. You're lucky you haven't bricked your phone or wiped out the IMEI number.
[AT&T Samsung Galaxy S 4 General] Questeor:
Is there a way to enable AWS on Samsung IV i9505?

I guess I got pretty lucky. :)

So, then the next question would be, do you or does anyone know if there is a way to unlock AWS bands on the i9505? Currently running Android 4.4.2
[AT&T Samsung Galaxy S 4 General] Product F(RED):
You can't. Different hardware.
[AT&T Samsung Galaxy S 4 General] Cuda70383:
ok, a slightly different question. I have att i337 and went to the samsung bar in best buy and he updated me from fm3 to nj4 on 4.4.4. now i'm not sure if the aws was working still so when I sent the file to the phone i too got the error message at 5%. any thing around this or that I'm doing wrong? also is it safe to install the 919 rom/modem on to my i337?

for notes, i did the aws mod when the phone was new. had super user and towel root before the 4.4.4 install.

really lost here and would appreciate the guidance from here.

thanks!

reddragongtp@gmail.com

just incase someone has files i should use for the tmobile user on i337
[AT&T Samsung Galaxy S 4 General] Product F(RED):
No, you can't cross-flash different device's modems. You'll lose your IMEI. By updating the modem you definitely lost AWS. It's honestly not a huge deal if you live in a place with LTE (because HSPA+ in those areas runs on 1900 MHz anyways). You might have to use this other method, unless you are able to downgrade your modem (if you have Loki): http://xdaforums.com/crossdevice-dev/sony/thread-progress-please-leave-im-updating-t2871269
[AT&T Samsung Galaxy S 4 General] Cuda70383:
so this is not possible?

http://xdaforums.com/galaxy-s4-att/general/convert-i337-to-m919-wifi-caling-t2896719

am i able to goto nc1 kernel and use odin for the aws file install?
[AT&T Samsung Galaxy S 4 General] troc69:
make sure you are typing in the right code (*#0808#)

in order to access your usb again you will need to revert your settings in the *#0808# menu back to what it was.
[AT&T Samsung Galaxy S 4 General] Cuda70383:
im using qpst 411....could i find the 1877 file there? i cant seem to exactly locate it.
[AT&T Samsung Galaxy S 4 General] Xubair91:
super thanks for the guide but i have a question.i live in pakistan and i have a i337m which has wcda,gsm and lte bands support but when i put my warid sim in it which is lte enabled it only shows "E" which means it only supports 2g not lte and btw warid has 2g and lte service not 3g.please help me with that.afak warid uses 1800 lte.i have attached my phone info please check and guide further.thanks in advance.

btw when i put any other sim like UFONE,ZONG or TELENOR i get H+
[AT&T Samsung Galaxy S 4 General] ciborio:
I have a Samsung Galaxy S4 Google Play edition (GT-I9505G) with stock kitkat (4.4.4) I can not access this USB settings to set on "RNDIS + DM + MODEM"

Does anyone know how I can access it?

*#7284# and *#0808# dont work for me.
[AT&T Samsung Galaxy S 4 General] phxal:
Need little help here. Followed all the steps seems to be another cakewalk mod until the last step when I click start on the Restore tab with the given can file. It Goes about 5% writing then stops and gives me an invalid command error??? WTF

not rooted, tried on stock nc1 and nj4 I think. Using Windows 8. it's a brand new unlocked i337 on from amazon. Has anyone encountered my issue that might give me a solution? Tried to skim as much pages on this thread but I'm not seeing anyone having this problem.
[AT&T Samsung Galaxy S 4 General] Product F(RED):
The S4 GPE already has AWS enabled. It's the same as the T-Mobile model.
[AT&T Samsung Galaxy S 4 General] ciborio:
I need to unlock the italian LTE bands. LTE American bands are different.

GT-I9505G: LTE 700/1700/2100 (MHz)

Italy: LTE 800/1800/2000/2600 MHz).

Anyway I had access to qualcomm usb settings with the help of EFS professional suite.
[AT&T Samsung Galaxy S 4 General] Product F(RED):
This thread isn't going to help you with that. Try this thread: http://xdaforums.com/crossdevice-dev/sony/thread-progress-please-leave-im-updating-t2871269

Also, no guarantees. Just because the model number has "i9505G" in it does not mean it's an i9505. It's made for North America, so the hardware is probably not in there. I believe that 2600 MHz is possible though, because the M919 (T-Mobile US) model that it is based off of supports that frequency.
[AT&T Samsung Galaxy S 4 General] jonb13:
There are official Samsung 5.0.1 firmwares out for the SGH-I337m, is anyone braver than me willing to see if AWS is preserved or can be re-instated?
[AT&T Samsung Galaxy S 4 General] sci05:
It's preserved. At least on my bell i377m
[AT&T Samsung Galaxy S 4 General] bonchien:
I made this mod to my Cricket i337z, and I made sure the NV item 1877 value of 115868544 persisted after a reboot. My phone still won't get HSPA on T-mobile. I've tried a T-mobile SIM card in the i337z, and it gets either LTE data, or 2g data if I put set the network mode to WCDMA/GSM auto. I tried the same SIM card in a Nexus 4, and it gets HSPA when I set it to WCDMA/GSM. The i337z is running 4.4.2 with the NE2 modem that's specific for this variate of the i337. Does the modem affect whether the phone will pick up T-mobile's AWS network? Is it possible that the i337z does not have the hardware to get AWS, WCDMA 1700 band used by T-mobile?
[AT&T Samsung Galaxy S 4 General] Product F(RED):
The modem software has it turned off by default, but unless Samsung specifically added code or something to stop us from enabling the band, this should still work. It's unlikely that the i337z doesn't have the hardware because it's based off of the AT&T model, and making a new hardware revision (even removing hardware) costs Samsung more money because it's a new assembly line. That's why LG left in the Band 4 LTE modem in the Nexus 4, which is based off of the LTE-enabled Optimus G. They calculated it would save them money just leaving it in and turning it off vs. taking extra time and effort to remove it.
[AT&T Samsung Galaxy S 4 General] slysleiman:
Hello,

I have the following

sgh-i337m - unlocked

4.4.2

I337MVLUFNE1. I initially had NC1 modem but reading the threads I saw that flashing to NE1 might help but still cannot enable AWS. I see wind away but cant enable 1700MHZ

I dont have wireless on my phone, I cant figure out why, apparently issue with some S4's.

I know that the solution is to flash modem MF3 and then go through the steps with QPST. Tried flashing MF3 with Odin 3.07 but got a fail. I know that I should use safe strap and here is where Im having trouble with.

Like I mentioned I dont have wireless and no data connection. Any ideas how I can flash modem MF3.

Thanks in advance
[AT&T Samsung Galaxy S 4 General] jonb13:
Thanks sci05, did you do the update OTA?

edit: I updated OTA using an original Rogers phone with a Telus ROM now running on Wind, no issues to report. Slick setup!
[AT&T Samsung Galaxy S 4 General] bonchien:
Just an update. If I use the original NV Item 1877 value 82314112, the i337z works fine with a T-Mo sim card. I'm in a refarmed area, and it gets HSPA when I switch to WCDMA/GSM. If I use 115868544 in NV Item 1877, I get no data if I switch to WCDMA/GSM auto. The phone also goes into a boot loop when I use this NV Item 1877 value. I'm thinking the i337z variant doesn't have the hardware to support the T-mobile 1700 band, or there's some other setting keeping it from working.
[AT&T Samsung Galaxy S 4 General] mikeyb27:
THANK YOU!!!!!!!!! beating my head against the wall for hours on that one.