yashsingh1/xdaforums huggingface dataset:
[AT&T Samsung Galaxy S 4 General] kurd23:
hi i have ive followed all of the sets up to the part where i dial *#0808# and when i select RNDIS +DM + Modem and i plug my phone into the commputer i get an error saying Unknown device and it wont recognize my device but when its in the defualt mTP +ADB , and i plug the usb in everything work and it the device is recognized please help me i dont really know what to do.
[AT&T Samsung Galaxy S 4 General] Horem:
Thanks! This worked for me. If I want to revert from HSIC, what do I select when I dial *#9090#?

SGH-I337M on Bell running GoldenEye14 4.3 MK6 BASEBAND
[AT&T Samsung Galaxy S 4 General] sharpeyedman:
Will this method work with latest 4.3 modem?
[AT&T Samsung Galaxy S 4 General] Product F(RED):
No for a lot of people, but many people who already had the mod and then updated to the new modem said AWS stuck.

Sent from my SGH-I337
[AT&T Samsung Galaxy S 4 General] infogeick:
I had successfully restored the AWS band on a MDL firmware but I recently flashed to MK2 firmware on an ATT GS4 I337.

I then tried to add it again on MK2 Firmware but got a Memory Restore Failed.....How will I know if the AWS Bands have sticked

from the original flash?

I'm out of the USA now and would like LTE Coverage again when I get back.
[AT&T Samsung Galaxy S 4 General] Febby:
No aws mod is around just yet for mk2. Only way is to use the mf3 or older version mkdem. Some users have reported that having the aws mod on mf3 and upgrading officially via ota kept their aws. I wouldn't risk it.

"All men are created equal, some work harder in pre-season."

- Emmitt Smith
[AT&T Samsung Galaxy S 4 General] Product F(RED):
AWS LTE works out of the box (meaning an unrooted, brand new AT&T S4). It's AWS 4G that this mod enables.
[AT&T Samsung Galaxy S 4 General] drlj78:
Interested in this answer as well.
[AT&T Samsung Galaxy S 4 General] ango02:
hey guys im currently using an i337m from telus on mobilicity. everything was good until i updated to android 4.3. now it wont even detect the network. anyone know if theres a fix?
[AT&T Samsung Galaxy S 4 General] Febby:
I was just referring to the aws mod though in terms to it not being possible.

"All men are created equal, some work harder in pre-season."

- Emmitt Smith

---------- Post added at 09:07 AM ---------- Previous post was at 09:05 AM ----------

As said above LTE will work properly without aws but without the aws mod 4G/H/h+ that relies on the 1700 band (not lte) will not work not.

"All men are created equal, some work harder in pre-season."

- Emmitt Smith
[AT&T Samsung Galaxy S 4 General] Mrhunter13:
I have lte speeds using the mod with a t mobile sim
[AT&T Samsung Galaxy S 4 General] drlj78:
So how can I check which frequencies are being used?

Thanks,

Dean
[AT&T Samsung Galaxy S 4 General] GuyIncognito721:
You will always get LTE t mobile speeds, mod or not. Those bands are enabled out of the box.
[AT&T Samsung Galaxy S 4 General] idioticiguana:
No phone QPST

Sorry if this was posted previously but i couldn't locate it in this thread i have a galaxy s4 mf3 (At&T) update with phone util installed qpst installed on the computer and all the necessary files. i used *#0808# to switch it to DM+MODEM+ADB before i plugged it into the computer. after which i let the drivers install, com 3 and com 4 are the ones listed in device manager. i go to qpst and it says no phone i have restarted both the phone and windows machine, re installed everything. still it says no phone. while reading this thread i found the *#9090# entry and i'm now thinking that this is the issue. i have no idea what to select from this menu.

if you guys have any input that would be great :) hate having EDGE everywhere i go.

if yous want pictures of what i'm doing or of the menus just let me know! :fingers-crossed:
[AT&T Samsung Galaxy S 4 General] GuyIncognito721:
Not sure if it will make a difference but you are putting the phone in the wrong mode. It should be in: RNDIS + DM + MODEM

I remember I had to install kies for proper drivers and reboot phone & machine at least once for it to recognize properly.
[AT&T Samsung Galaxy S 4 General] Atrix2destroyer:
Where does this install too? It didnt work for me and i want to uninstall it but cant find it in System apps or user apps
[AT&T Samsung Galaxy S 4 General] idioticiguana:
i will try RNDIS+DM+MODEM

i followed a different guide only because my phone required the *#0808# instead of how they have it on this guide.

what is kies? is it the samsung driver or something totally different?
[AT&T Samsung Galaxy S 4 General] lojak29:
Does this mod benefit tmobile sim users any further

Meaning tmobile lte seems to work fine in att sim unlocked s4 right out the box...

So this aws band mod... what mote does it do for those that are using tmobile service?

I get fine lte everywhere without the mod.

I thought the att s4 has 4 lte bands already active
[AT&T Samsung Galaxy S 4 General] idioticiguana:
In my circumstance i need these bands as i'm in area that does not get LTE so 3g/4g hspa+ would be huge over the EDGE that i get now i get LTE at work but not at home. i know that the hspa+ is were i live i have friends with t-mobile and they get 4g.
[AT&T Samsung Galaxy S 4 General] JCrawMil:
to reverse this process just flash the back up that you made in step 11
[AT&T Samsung Galaxy S 4 General] VibrantWind:
Can someone please help me out.. i'm trying this on my SGH-I337M from Fido but QPST cannot detect the phone. I know its supposed to show (0) but no matter how many times i tried, it's still not showing up. my baseband version is MVLUAMG1 if that matters. Any help is greatly appreciated. Thanks
[AT&T Samsung Galaxy S 4 General] idioticiguana:
Alright i got it

if it shows no phone in QPST with the ATT galaxy s4 MF3 update

go to the *#9090# menu and select option 2 then allow the reboot

then go to the *#0808# select DM+MODEM+ADB make sure its this one

go back to QPST and it should show (0)

do a back up

then restore to the 337 aws.qcn

your done HAPPY HSPA+!!!!!
[AT&T Samsung Galaxy S 4 General] Product F(RED):
What we can do to see if we can get it work with MK2 is recreate the mod with a T-Mobile MK2 modem memory backup.
[AT&T Samsung Galaxy S 4 General] irexkido:
phone feature got frozen

Hello people, I followed all the steps and it didn't work for me. At the end after rebooting my phone would say Wind and I received text messages but as soon as i dialed a number and called it froze. I used qpst and installed the 337_AWS.pcn.
[AT&T Samsung Galaxy S 4 General] dhomas:
No AWS on MK2

Hi all,

I have an AT&T S4 i337 which had AWS bands enabled on stock rooted 4.2.2. Recently, I got updated to 4.3 mk2 and it must have replaced the radio. Now, my AWS bands no longer work. I tried to follow the initial instructions again, but I, like others, get an error at 5% of the restore process stating that I had "received an invalid command from the phone".

I saw a few posts back that I can "roll back my baseband to MDL or MF3 and re-enable AWS". However, I have no clue how to do this. Can anyone give me any pointers on where to look? I searched, but search terms for this are quite vague. Thanks in advance for any help!
[AT&T Samsung Galaxy S 4 General] GuyIncognito721:
You can't. Unless you're bootloader is unlocked, which I'm assuming it isn't based on the fact that you successfully took the OTA.
[AT&T Samsung Galaxy S 4 General] dhomas:
Thanks for the response, GuyIncognito. Indeed, my bootloader is locked and I can't even flash the loki'd TWRP anymore (well, I can, but it doesn't work). I suppose I'll have to wait for someone smarter than me to figure out how to fix it. I hope that happens soon! :)
[AT&T Samsung Galaxy S 4 General] GuyIncognito721:
With too much ambiguity as far as these settings keep after OTA update to 4.3, I'd like to get the ball rolling on getting a new QCN file for 4.3. Can someone smarter than I confirm that all we need is a QCN backup file from a T-Mobile S4? If so I will wander over to their forums and see if someone is nice enough to provide the file.
[AT&T Samsung Galaxy S 4 General] dhomas:
I hope it's as simple as that, GuyIncognito. Hopefully someone can confirm. I'd also be interested in getting my hands on the T-Mobile QCN backup.

That being said, I was not even able to restore the backup QCN from my own phone, that I had taken in 4.3 mk2. So, I think the problem might lie elsewhere.
[AT&T Samsung Galaxy S 4 General] Product F(RED):
I've been saying and asking for this for weeks but everyone seems to ignore me. Fortunately MF3 on the i337 works for me with the mod and with 4.3. But people who took the OTA are out of luck until someone provides this.
[AT&T Samsung Galaxy S 4 General] joogle:
Hi - so I got an AT&T S4 to use on the T-mobile network using my T-zone/web2go plan.

My question is if enable the AWS bands and then root my phone to install a custom rom, will I have to re-do the process?

By the way my phone shows the following:

4.2.2

I337UCUAMDL

Thanks!
[AT&T Samsung Galaxy S 4 General] GuyIncognito721:
No, you shouldn't have to.
[AT&T Samsung Galaxy S 4 General] joogle:
A quick follow up - so I got the AWS band unlocked and even rooted my phone, but does anyone know a rom I can install that is like T-mobile stock, I need a rom to install on the AT&T phone to get wifi calling

thanks

---------- Post added at 04:38 PM ---------- Previous post was at 04:34 PM ----------

A quick follow up - so I got the AWS band unlocked and even rooted my phone, but does anyone know a rom I can install that is like T-mobile stock, I need a rom to install on the AT&T phone to get wifi calling

thanks
[AT&T Samsung Galaxy S 4 General] tronac:
You need to provide more details. Which version are you on?
[AT&T Samsung Galaxy S 4 General] Solace50:
A couple questions hopefully some people can answer. or may have been answered, i read the first 35 pages before calling it.

1. This guide is to enable AWS 1700 band + other LTE bands on the i337/i337M/M919/I9505G/I9505 since they are all identical with the same radios built into them correct but on a the software level they have different baseband/qcn flashed?

http://en.wikipedia.org/wiki/Samsung_Galaxy_S4

2. This guide from what i have gathered will enable all LTE bands along side the 1700 AWS band correct? so if done on a I9505 would this enable (800, 850, 900, 1800, 2100, 2600 MHz) + (700, 1700, 1900)? That is every single LTE band i can see from the wiki. The hardware between all models of these phones are practically identical except for the I9500 which lacks the LTE radio on a hardware level. So unless the other models have different radios essential we can flash different .qcn's and basebands to switch between INT and NA LTE bands? or after performing the mod would it unify the phone to be global without having to switch.

TLDR: Specifically which bands are enabled for LTE after applying the change to the radio. 1700 is enabled for AWS/3G is made clear but as for the LTE changes people say "all bands" so does that mean the phone is basically universal.

Trying to figure out here if picking any specific model at this point matters or if i can just find a i337 off craigs list and use that without issues since its 100x easier to find then a i9505. logically i see flashing the different radios would enable the LTE for the model thats being flashed and no longer support the previous bands but i am getting confusing/conflicting answers throughout the thread.

perhaps someone could update the wiki to reflect the "hardware" limitations along side the software limitations to make with citing this thread as to why its listed so that others can have some clarity when figuring this out.
[AT&T Samsung Galaxy S 4 General] vnomhunter:
Kies is samsung's official windows app used to sync data and update phone's software etc
[AT&T Samsung Galaxy S 4 General] GuyIncognito721:
Get the T-Mobile variant. Unlocked bootloader plus all bands already unlocked (I believe)
[AT&T Samsung Galaxy S 4 General] Product F(RED):
If you're in North America or you're in Europe and you don't care about LTE compatibility, get the T-Mobile version. AWS enabled out of the box and unlocked bootloader.

Btw to the guy asking about a T-Mobile ROM on his i337, I'm running Wicked 9.1 on mine. Works great. But you have to download and flash loki doki (a small zip) if you flash any non-AT&T ROMs.
[AT&T Samsung Galaxy S 4 General] Solace50:
thanks but i don't need advice on which model to get, i would like to know the answer to my initial question. which is specifically which bands for LTE are enabled for the mod. simply stating all is vague and confusing based on others responses and the variants of the device supporting international bands. the curiosity portion is can we have a universal phone regardless of the model purchased not whether or not can i use a specific band in the US/CA.
[AT&T Samsung Galaxy S 4 General] Product F(RED):
The mod doesn't touch LTE. It simply enables AWS for HSPA+. That's all. Nothing more, nothing less. US models will work in Canada and vice versa. If you want a universal model with all North American frequencies (meaning including AWS) enabled, you should get the T-Mobile model. It gets HSPA+ and LTE on AT&T, T-Mobile, Rogers, Fido, Wind, etc. Plus unlocked bootloader. There is no model that will work with Euro frequencies for LTE. HSPA+ abroad will work fine though. There is one frequency that overlaps in North America and Europe and that's 2600 MHz (which Rogers uses for Rogers Max LTE, in addition to AWS LTE). But that's it.

Tl;dr: T-Mobile model (aka M919) is the best one to get.

Also, the mod won't work on the i9505. The way the mod works is it edits the modem memory (much more complicated than simply flashing a modem). It works because the AT&T and T-Mobile models have the same modem entries internally in the same memory locations, but the AT&T model simply has AWS disabled. The i9505 doesn't have those entries to begin with, so restoring a T-Mobile modem memory backup will do damage because you'll be writing back entries to places they shouldn't be.
[AT&T Samsung Galaxy S 4 General] Mrhunter13:
I get lte
[AT&T Samsung Galaxy S 4 General] Product F(RED):
Delete.
[AT&T Samsung Galaxy S 4 General] Solace50:
Thanks that was precisely what i was trying to figure out and probably a few others. I was under the impression it was just a straight forward flash from another model/revision rather then comparing the two and hex editing the discrepancies. The M919 is indeed the most solid choice since it natively supports AWS out of the box compared to the others. I also guess the wiki is just not up to date "which caused further confusion" for the i337 LTE bands since it only shows 3 bands where as the the telus/rogers/at&t/samsung specs show "LTE: Bands 1/2/4/5/7/17". I guess if i cant source a M919 i can just tinker with a i337M from telus since its essentially the same thing minus the native AWS.

Also if anyone's wondering WIND offers the M919 as well if your willing to pay retail. Not sure about the bootloader google only shows 1 post showing its locked compared to the i337M which is unlocked. I would assume its unlocked for the simplicity of things. WIND did not even rebrand the exterior of the phone when selling the SGS3 from t-mobile...
[AT&T Samsung Galaxy S 4 General] sharpeyedman:
Have you guys found an AWS unlock for the 4.3 modems?
[AT&T Samsung Galaxy S 4 General] Product F(RED):
The AT&T model does 700/850/1700+2100 (AWS)/1900/2600 MHz for LTE. 700 MHz is what AT&T uses. 850 and 1900 are for the future (but coincidentally what they use for HSPA+). AWS is used in very rare areas where they don't have 700 MHz licenses. And 2600 MHz isn't used, but might just be thrown in for good measure. AWS LTE works out of the box. It's AWS HSPA+ that's disabled.

I'm not sure how the i337M (Canadian equivalent) compares except that it has an unlocked bootloader I believe. Still the M919 is the absolute best model to get, even if you're on AT&T/Rogers/any carrier.

As for the guy above asking about AWS on a 4.3 modem, I'm using the MF3 modem on my i337 with Wicked 9.1 (a T-Mobile 4.3 based ROM) and it works fine. If you want MK2 I think we need a modem memory backup from a T-Mobile model running the MK2 modem. In other words for newer modems we need to recreate the mod file.
[AT&T Samsung Galaxy S 4 General] sharpeyedman:
I have access to M919 but it used open recovery to upgrade to the MK2 modem. Back up of this still work or does it have to be odin flashed M919?
[AT&T Samsung Galaxy S 4 General] GuyIncognito721:
Good question. Certainly wouldn't hurt to try since we have our own backups if crap hits the fan. Plus I've had no luck getting a qcn file over in the t mobile forums http://xdaforums.com/showthread.php?t=2578271
[AT&T Samsung Galaxy S 4 General] Product F(RED):
Either way is fine. If you could send me a QPST backup (the QCN file) that would be great. I'll zero out your IMEI too.
[AT&T Samsung Galaxy S 4 General] sharpeyedman:
Can anyone tell me how to zero out the IMEI? Because Its not my phone.
[AT&T Samsung Galaxy S 4 General] SaHiLzZ:
Beware that flashing the QCN file on 4.3 overwrites the IMEI!!! You have to use EFS Pro or something else to change your IMEI back.
[AT&T Samsung Galaxy S 4 General] Product F(RED):
I think it has to be done with a hex editor. If you send me the file I'll do it myself. I have no reason to want your friend's IMEI.
[AT&T Samsung Galaxy S 4 General] sharpeyedman:
Would deleting the imei value from qcn backup work

prior to flashing it? If so which line will it be? I mean do u happen to know the code where it indicates that it is imei?

I just created a qcn back up but the computer does now show the file. I can clearly see the back up file is there in a folder but only through the QPST program. I can not view the file directly from windows folder for some reason. Show hidden file option did not change anything. Still trying to figure this out.
[AT&T Samsung Galaxy S 4 General] MAFU21:
How do I know that I enable AWS correctly. Im tried this with no success. I found a mdl radio that says aws unlocked and flashed it. But in some places I got no signal when some other person using tmobile have. Im using simple mobile but that run on tmobile network. Any advice?
[AT&T Samsung Galaxy S 4 General] Product F(RED):
The modem alone does nothing. You enable AWS via a separate mod. The person who made this thread was wrong and thought he could do the mod and then backup the modem. It doesn't work like that.
[AT&T Samsung Galaxy S 4 General] MAFU21:
Thank you. I read about it like 5 min ago. Lol. Do you ilknow in what baseband or rom I have to be for this to work? Do I have to be in a stock rom? Im running darthstalker X1
[AT&T Samsung Galaxy S 4 General] MAFU21:
Ok I backed up to mdl modem and make the preocess again successfully. Now wait to go some place were I lost my signal and see if this work as it supposed to. Thank you!!!! And HAPPY NEW YEAR to every one!!!
[AT&T Samsung Galaxy S 4 General] Solace50:
it should be created unless you have software preventing it or file permissions for that folder are not allowed to write. i backed up mine fine after having to switch the option in the 9090 menu. if you know the file is there then you are looking in the wrong directory or you have something blocking unknown file extensions within your operating system. though the file should still be shown even without the file extension showing. if the software show the file exists right click it when browsing for the file then copy/paste it somewhere else through that method.

if someone needs a guinea pig for the 4.3 modem i would be more then happy to test later. the 4.2.2 works with cm's 4.3 rom and ktoonz 4.3 kernel from what i have tested so far. even though golden eyes rom specifically states to have a 4.3 modem i tried it anyways just to humor myself, ill give it another shot once this is figured out.
[AT&T Samsung Galaxy S 4 General] ookiller:
Since you seem like the only one that has a solution to my problem. Would you please make a set by set guide on how you did this?

I got this mod working fine on stock rom, but when I switch to KANGAKAT My signal drops completely after a minute or 2(like its on a timer) and to get it back I have to search for network operators and select mine again.. I'm also unable to AWS on the Rom, because *#0808# does nothing at all.
[AT&T Samsung Galaxy S 4 General] MAFU21:
Im running Darthstalker X1 with mdl modem trick with aws enable and it working with out issues.
[AT&T Samsung Galaxy S 4 General] usman14:
Resetting the phone

Hi

I was wondering if you factory reset the phone

Will these settings remain or will we have to do this whole process again?
[AT&T Samsung Galaxy S 4 General] topgun303:
So right now i have unlocked att s4 with MK2 firmware. I am using it on tmobile. Is there away to enable AWS on it?
[AT&T Samsung Galaxy S 4 General] Product F(RED):
The file you're supposed to flash doesn't work on MK2 modem. So we're trying to see if we regenerate the file using a T-Mobile S4 that's on T-Mobile's MK2 modem if it'll work. So far no one has tried it. I'd give it a shot but no one has sent me their backup file. I need to remove the IMEI from it too.
[AT&T Samsung Galaxy S 4 General] topgun303:
Ok cool. If you want me to test it when you get the file I be happy too. As right now I am using t-mobile service. Just PM me
[AT&T Samsung Galaxy S 4 General] Product F(RED):
Same here. I'm actually also in the same spot as you but I'm rooted with Loki on the MDL bootloader. I'm on MF3 modem (if you're rooted you can downgrade and upgrade), which is the latest and last one to work with the mod. But in the future, I might have to upgrade modems which means I need the mod to work. I just need the file.
[AT&T Samsung Galaxy S 4 General] muniz_ri:
A bit off-topic but what kind of data speeds are getting on t-mobile without AWS enabled? Thank you.
[AT&T Samsung Galaxy S 4 General] Solace50:
they are labeled differently but i bet if you get your hands on a wind/mobilicity (the more popular providers) the offsets should be the same as tmobiles. i mean previously i asked about the int models vs non int which differs greatly as you say but to flash between the NA modems i highly doubt there's much variance between tmobile/wind and then rogers/at&t. there all using the same bands/networks. they are labled MK5/6 but i just believe they did that to acutually show theres a minor discrepancy between the builds (aws is disabled) opposed to having the confusion of the same build # but one minor change.

tl:dr i think the wind/mobilicity modems would work the same as tmobile for getting the job done, it expands who you gotta ask to get a backup to get it done. i would just go buy one from wind but according to there policy you only can return on newly made lines.

actually when i think about it i believe this was done to my g2x some years ago, i pushed the mobile ota update to the phone baseband and all. i dont see why i cant do the same here then just pull the qcn file from that? assuming i find a link that doesn't involve a paid service.
[AT&T Samsung Galaxy S 4 General] topgun303:
I get about 15 down and 8 up in good lte area. The numbers can also be affected by many other things such as trees, weather etc...

---------- Post added at 01:31 PM ---------- Previous post was at 01:29 PM ----------

I don't think i can downgrade due to safestrap recovery on mk2 at the moment.

---------- Post added at 02:03 PM ---------- Previous post was at 01:31 PM ----------

So mod file in OP works with MF3 modem. If i downgrade from MK2 modem to MF3 Modem?
[AT&T Samsung Galaxy S 4 General] ookiller:
Delete
[AT&T Samsung Galaxy S 4 General] ookiller:
That's what I thought, but there is no MDL for Canada, so I got confused.. If I flash MDL on my phone It will not work with my sim card...