yashsingh1/xdaforums huggingface dataset:
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
The MK5 file I found was in bin format. So, you need to:

Boot the phone into Download Mode

Open Odin as Admin (Odin 3.07, 3.09, 3.10, any of those will work)

Put the modem.bin in the Phone or CP slot, depending on which version of Odin you are using.

Plug in the phone and make sure Odin recognizes it and hit start.

Once it reboots, verify that it took by going to Settings / About Phone

That's it. Just make sure you don't check off repartition for some reason. It will be disabled by default. F.Reset.Time and Auto Reboot checked off is fine.

Modem: https://mega.co.nz/#!bIlXhYwL!4d9OUeoBxLfEtbMC0L82i7pPl7AkMfFYsHVX9ixFTnw

Odin: https://mega.co.nz/#!ScEQlJ6Q!Inix_jB0eI_imafbkHonx40O0W5VihlN84b9MF7WUMY
[Sprint Samsung Galaxy S 4 General] xXNahNahXx:
Thank you so much! and after this process would i be able to use boost mobile on it?
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
No. Boost is CDMA and does not use SIM cards as their main connection to the cell towers.
[Sprint Samsung Galaxy S 4 General] xXNahNahXx:
so would i be able to use boost without even having to do this process?
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
No, not at all. Sounds like you might want to do some more research before you start modding your phone.
[Sprint Samsung Galaxy S 4 General] ricketkm:
Ok so I got my phone to work on T-mobile but I am not getting lte on the phone or data. Also my sprint number is still stored with that phone because when I insert a tmobile sim card and the phone it says voicemail, so i think that means I wont be able to get my T-mobile voicemail on that phone. Is there a way to remove my sprint number feom the unlocked phone?
[Sprint Samsung Galaxy S 4 General] daniel4653:
Jesus people read before you unlock. You cannot get LTE on ATT or T-Mobile on the Sprint GS4. The bands are not supported.
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
The other guy was right about needing to pay attention. It's been mentioned repeatedly that LTE won't work on anything other than Sprint based service. As far as not getting data, you have to add your APN for T-Mobile.
[Sprint Samsung Galaxy S 4 General] ricketkm:
Can someone please share a download link for L720VPUFNG2, want to put my phone on the lastest modem thank you.
[Sprint Samsung Galaxy S 4 General] rocco24:
request info

I called sprint to get unlock code so I don't have to go through all of this I was giver a MSL code but I am not sure how to use it

I put in a Tmobile SIM card but nothing happens. Anyone can help ?
[Sprint Samsung Galaxy S 4 General] ricketkm:
Sprint unlock mines also but i followed a YouTube video and it worked fine. Only thing I have to do is change the APN to T-Mobile and update back to NG2 modem.

How to Unlock SIM on Sprint Galaxy S4!: http://youtu.be/lawcT1qqnLA
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
The reason people have to go through all of this is because Sprint can't unlock the phone for use with T-Mobile, or any other GSM service in the States. This information is not difficult to find.
[Sprint Samsung Galaxy S 4 General] rocco24:
???????

Are you sure it works with Tmobile

Note that this method doesn’t work currently for AT&T and T-Mobile. We suspect that Sprint has locked it down for use on other U.S. networks.

Sprint unlock mines also but i followed a YouTube video and it worked fine. Only thing I have to do is change the APN to T-Mobile and update back to NG2 modem.

How to Unlock SIM on Sprint Galaxy S4!:
[Sprint Samsung Galaxy S 4 General] rv7charlie:
First, let me say thanks for this guide. Please understand that I'm almost totally ignorant when it comes to manipulating the magic smoke inside a cell phone.

I have a Sprint Samsung Galaxy S4,Android 4.4.2, baseband L720VPUFNG2, kernal 3.4.0-2162929, build number KOT49H.L720VPUFNG2

Sprint service (previous phone owner) is closed out and the phone is currently being used on FreedomPop.

Sprint has given me the MSL (unlock) code number for the phone.

The only mod I've done to the phone since receiving it was to root it using CF-autoroot described in this xda link:

http://xdaforums.com/showthread.php?t=2291827

I want to get the phone usable on AT&T (the reason I'm on this thread), and my question is this. In step one (copied below), it mentions restoring the 'stock MF9 rooted Touchwiz rom'. I haven't found 'MF9' anywhere in my phone's menu system; I assume that it's because I have newer software than when this guide was created. So, will the process work with my software? And, since all I've done is the root process on current software on the phone, should I still do this step, or can I simply skip step 1 and move to step 2?

Thanks,

Charlie
[Sprint Samsung Galaxy S 4 General] iBowToAndroid:
Ignore step 1 of the OP. Read the thread. The MSL is NOT an unlock code.
[Sprint Samsung Galaxy S 4 General] ecs87:
To add onto the poster above me, find the new program to internationally unlock nearly all Samsung Sprint phones. This way you don't need to downgrade your modem to MDC. It cuts out using Odin altogether. And It doesn't require you to put the phone into DIAG mode. Simply put, it saves time.

After you run the app and reboot, then go through the domestic unlock procedures (the service menu). The only difference is now that you're on newer firmware you're supposed to key input "Q", then "0000" instead of just 0 or 1. Everything else should be the same as in the OP.
[Sprint Samsung Galaxy S 4 General] rv7charlie:
I assure you, I've read the procedure several times, in addition to at least 10 hours of research on this site as well as others. I confess that I haven't read all 66 pages of responses, but I did skip forward and read through the last few pages to see if anyone with my (later) level of software/modem has gotten the procedure to work without bricking their phone. (Years of dealing with ios will make you somewhat paranoid about that.) What I got from the last few pages was that the process doesn't work with AT&T, which is the title of this thread.

Thanks for the help on skipping step one, though.

Charlie

---------- Post added at 07:44 PM ---------- Previous post was at 07:23 PM ----------

Thank you for the help. I confess that sorting through all the internet 'information', most of which conflicts with other 'information' (and even itself) is a daunting task for a non-hacker like me who just wants to get a former Sprint phone functional on AT&T.

I was able to find an app called 'RegionLock Away' that said that it performed a region unlock on my phone. After rebooting, I brought up the service mode (*#0011#) then left menu, back, left menu, key input. After that key sequence, I've tried 0, 1, 2, Q, 0000, Q0000. (Obviously, each was tried individually, followed by the OK icon . All result in a return to the service mode screen instead of giving me the next menu shown in the procedure(s) found on line. It would seem that I might not be unlocked after all, or that this version of software can't be unlocked with this app.

I'd be grateful for a direct link to an international unlock app that has worked for my software. Or, I'm willing to go through the entire process shown at the beginning of this thread, if it won't brick my phone (currently running FNG2 baseband).

Again, thank you for your assistance (and patience).

Charlie
[Sprint Samsung Galaxy S 4 General] syconu:
i have a l720t triband will this work i have done the international but will this make it to where i can get on boost or metro or straight talk
[Sprint Samsung Galaxy S 4 General] iBowToAndroid:
1. This guide will work but you need a different modem for the Triband.

2. You can use any GSM carrier. Boost is not a GSM carrier - the other 2 that you mentioned are
[Sprint Samsung Galaxy S 4 General] Oglon3r:
Step 1 messed with my wifi...

So I skipped it and I was able to complete all the other steps even got calls and received messages but I haven't been able to fix apn setting due not having wifi...

Even if i do get the apk and install the mod app...

Anyway I can get my wifi restored?

Thank you!
[Sprint Samsung Galaxy S 4 General] Oglon3r:
Nvm ended up getting a factory restore.

As per; http://xdaforums.com/showthread.php?t=2678871&nocache=1

To my surprise the unlock remained and wifi was also back. So I installed prop.editor added the lines.

Got the APN going and viola! My Galaxy S4 is now on full EDGE.

Thank you so much OP.

One thing that you could edit so that people dont get stuck on step 4 like I did was;

Solution found on http://xdaforums.com/showthread.php?t=2703955

Thank you adol.ivxx!

Another thing. I was unable to set a custom recovery every time I tried Philiz for example I got an error while trying to boot into it.

It said something along the lines; Unauthorized software notice by Samsung.

Now I believe this is due me not unlocking the bootloader.

Could anyone share some more info on this.

My apologies I am sort of new.

Thanks!
[Sprint Samsung Galaxy S 4 General] Android kidd:
SMS HELP

Great writeup, everything works except I cant receive SMS, I'm running stock 4.4.2 rooted, I searched in threads and in post, but still no answer. I replaced the apns-conf.xml from a slim kat, but still no luck. Was wondering has anyone figured out how to receive sms? Also was wondering how can i find the msl code without calling sprint, tried numerous ways with apk files and no luck.

Thanks guys
[Sprint Samsung Galaxy S 4 General] rv7charlie:
OK, update:

I have a Sprint Samsung Galaxy S4, sph-l720, Android 4.4.2, baseband L720VPUFNG2, kernal 3.4.0-2162929, build number KOT49H.L720VPUFNG2

It's been rooted, and baseband downgraded to L720VPUAMDC

As previously instructed, I skipped step one, downgraded to MDC, and got through all the steps up to step 12 without incident. I did perform the save operation on build.prop prior to rebooting; was that correct?

I'm now stuck on the instruction within step 12 to 'Install and create a shortcut on the home screen and select to open. Press the menu soft key and select add apn.'

Sorry, but I have no experience with android & don't know what that means. What does this mean to do? Create a new shortcut? What does the new shortcut point to?

The format in the next block of instructions looks like what you see when you go into Settings>connections>more networks>mobile networks>access point names>+ (to edit access point) Can the data be added there?

Also, in step 13, it says that I should see network mode set to wcdma only; mine seems to be set to lte/wcdma/gsm. Should I change it to wcdma only?

Thanksfor the assistance and patience,

Charlie
[Sprint Samsung Galaxy S 4 General] ecs87:
Service menu: it's a tin can interface. Press 0 or 1 for key input. WAIT 30 SECONDS. It should show up. If not, reboot the phone and try Q then 0000. WAIT 30 SECONDS. One of these is bound to work. You can NOT domestically configure any Sprint phone for GSM without the service menu. Network selection will do nothing. If it was as easy as that we wouldn't need the service menu steps at all.
[Sprint Samsung Galaxy S 4 General] rv7charlie:
Service menu wasn't available until I downgraded the modem (other posts indicated that it might not be required). After downgrading and going through the service menu steps and adding the two lines in build.prop, I couldn't understand the instruction in step 12 to 'install and create a shortcut'. So, I took a shot at changing the mobile networks/network mode to gsm only. I then clicked on the network operators menu, waited for AT&T to show up as a selection, and picked that. AT&T 'gophone' service is now working.

Just to satisfy my curiosity, anyone know what the two lines added to build.prop actually do?
[Sprint Samsung Galaxy S 4 General] ecs87:
The two lines enable APN editing.
[Sprint Samsung Galaxy S 4 General] daniel4653:
If they are on NAE OR NG2 they do not need to add the build prop lines as the user is already able to add apns in the mobile network settings
[Sprint Samsung Galaxy S 4 General] bankanidhi:
Hi All,

Is there a similar method available for the L720T version. If yes please provide me the link to the forum. Any help is really appreciated. Thanks
[Sprint Samsung Galaxy S 4 General] ecs87:
I did something stupid with the hidden menu on my L720. On NAE or NG2 I don't have the APN menu without the build prop edit. WORD TO THE WISE: Do not mess with your secret menu settings...
[Sprint Samsung Galaxy S 4 General] syconu:
I got my s4 l720t to sim unlock and I get calls and texts but I cant get data to work and ive tried lots of apns for t mobile straight talk and still no go I get the 3g icon and it spins but still no data have I missed something. Did I have to change a edited option back or what
[Sprint Samsung Galaxy S 4 General] Dollallama:
I had success with only flashing the modem

Out of curiosity the first time I was on NAE and decided to only flash the MF9 modem. It succeeded I preformed the unlock as instructed and it also worked I then just flashed NAE back to the phone and "waala" fully unlocked.I have done this several other times on modems inbetween ,all a success.The phone will work a little laggy when you are unlocking on the downgraded modem but other than that absolutely no issues.I also never used odin .If you do some looking you can find flashable modems you can use through CWM/TWRP.Like always back the phone up in recovery if you try this.I used this when it was first published and it has helped alot thanks you guys.
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
can anyone in the states that unlocked their 720T confirm working data/internet?

if so how did you get it working?
[Sprint Samsung Galaxy S 4 General] jojoflowbee:
Signal is weak and on edge

I unlocked the Sprint Samsung s4 but the problem I'm having it show the T-Mobile signals but when I make a call its just hangs up and the data is very slow it on only edge I'm on the mdc baseband.
[Sprint Samsung Galaxy S 4 General] ecs87:
Yes. Select WCDMA ALL (don't touch GSM ALL or LTE all).
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
could you tell me where WCDMA ALL is located please? thanks.
[Sprint Samsung Galaxy S 4 General] ecs87:
Its in the service menu. You shouldve seen it in band selection. If none of this sounds familiar you probably didn't go through the service menu steps. All steps must be followed for the unlock to work. Nothing can be skipped.
[Sprint Samsung Galaxy S 4 General] iBowToAndroid:
Upgrade baseband to match software
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
i cant get *#0011# to work...should i downgrade to the MK5 modem first then try it?
[Sprint Samsung Galaxy S 4 General] ecs87:
Uhh...you sure that you have a Sprint phone? If you have a Verizon branded one it's already unlocked and you need to modify the hiddenmenu setting to get the dialer code to work. Can you even see your baseband version in the settings? If not, reflash your firmware and see if the baseband version is visible, if it is try 0011 again. If it isn't, your efs is corrupt and the road to fix is isn't simple.
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
ummm lemme check....................how would I know if it's Sprint or not?

c'mon man what kind of question is that??
[Sprint Samsung Galaxy S 4 General] ecs87:
Lmao :) Take off your back cover. Remove the battery. What does it say for the model?
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
it's a Sprint 720T bro...I already unlocked it yesterday but I was in Galaxy Tools & hit the "##SCRTN# Menu" by accident then the phone immediately stopped letting me make calls...I had voice & text working perfect...

(p.s. I do have experience rooting, etc...not a noob)
[Sprint Samsung Galaxy S 4 General] ecs87:
All that a SCRTN does is reset the baseband values. Meaning it wiped out your unlock. Perform the international and domestic unlocks again just like you did the first time and you should be back to "perfect".
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
thanks, I tried doing it again...re-rooted, downgraded modem to MK5, unlocked with SSU.apk, put in the T-Mobile sim, added the correct APN and nada...

maybe I'll start all over again tomorrow...there isn't a stock (unrooted) factory image available is there?
[Sprint Samsung Galaxy S 4 General] daniel4653:
There have always been stock images.
[Sprint Samsung Galaxy S 4 General] ecs87:
You're missing the service menu steps (the most important steps).
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
I cant get to the service menu...I type *#0011# and "back" doesn't do anything at all & i can't do what I need to

also, can someone post a link to the stock 720T factory image? I keep searching but can't find one

when I get to service menu I get what you'll see in the image I attached below but can't use "Back" or do what I'm supposed to...someone please help...
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
If you are rooted, then just use the Galaxy Tools app, hit the IOHIDDENMENU option and choose the TestMode and you're in. Way easier. The number method is very glitchy.
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
once I'm in Test Mode just select "WCDMA ALL", correct?
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
You have to do all the steps, not just the mode selection.
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
I'm supposed to follow the steps in the OP http://xdaforums.com/showthread.php?t=2530610 right?

because I'm not seeing what's described in the OP...and when I hit "key input>1" or "key input>2" it takes me to the next screen & there's just one line that says "no service".....below is the debug screen I'm taken too when I hit "service mode" in the hidden menu on Galaxy Tools.......
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
If you hit the TestMode it should lead you into the right menu to start. If you're at that screen try hitting the Menu button then selecting Back. Don't use the actual Back button or it will kick you out of the Hidden Menu stuff.
[Sprint Samsung Galaxy S 4 General] 420stayhii:
hello...im in need of help please..im new here but not new to rooting and flashing. i have a sprint s4 on mdc modem i followed all steps but i keep getting the circle with the line thru it..any option i choose does this except for automatic option(with asterisk) which tries to go back to sprint. .. i have a metro pcs sim... one time it showed metropcs on unlock screen but few seconds later switched to the circle with line thru it...its done this twice idk why.. ive done international unlock and it stopd the invalid sim notice then i followed steps in domestic unlock but i cant get service only circle with line thru it..can any help me please ive been trying this for a few days no luck:crying::confused:... i also have an unlocked nexus 4 that my metropcs sim gets lte with so it should work right? much thanks in advance.. ps ive also tried regionlock away apk and the ssu.apk but neither works for me...help me please taking all advice..once again thank friends
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
got it working with voice/text/data, thanks guys!
[Sprint Samsung Galaxy S 4 General] tempy1:
Ok so i have a sprint 4.2.2 NAE. The OP is really outdated and some steps are unnecessary.

I downgraded my modem to mf9 and back up to NAE once i finished all the steps except for step 12 build prop stuff

everything else was followed to a t and it all works.

Only thing is i don't if this is normal, but i get download speeds of only about 7mb down and 1mb up. i'm in the NYC market
[Sprint Samsung Galaxy S 4 General] Gambitv01:
yes i have the same issue

i have a l720 on sprint stock 4.4.2 when i make phone call it breaks up and internet is only on edge and i am on mdc basband any ideas?
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
:

:good::highfive::victory:

---------- Post added at 05:29 PM ---------- Previous post was at 05:20 PM ----------

Don't think this would be unusual as I don't believe they use the HSPA 42Mb/S antenna in the Sprint variants. Having trouble finding the exact specs for it as most just tell you it gets HSPA/HSPA+ on which frequency but not to what extent. If they use the HSPA 21 version then 21 would be max theoretical speed but real world you would only see about half so depending the the signal and what not, 7 doesn't seem that far off.

---------- Post added at 05:29 PM ---------- Previous post was at 05:29 PM ----------

You can upgrade the modem once everything is set up and it won't break anything.
[Sprint Samsung Galaxy S 4 General] Gambitv01:
do you have the link for the modem?

do you have the link for the modem?
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
http://xdaforums.com/showpost.php?p=42954149&postcount=2
[Sprint Samsung Galaxy S 4 General] Gambitv01:
shouls i dl the latest nae?

shouls i dl the latest nae?
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
Should be fine. You can always try another if it's not better. I think there's even a newer one somewhere for NG2 but NAE should work better than MF9/MDC for you on 4.4.2.
[Sprint Samsung Galaxy S 4 General] Gambitv01:
yea voice is better before it was choppy

yea voice is much better before it was choppy i thought the microphone was messed up but i get h on the internet is that good?
[Sprint Samsung Galaxy S 4 General] es0tericcha0s:
Yes H = HSPA and you'll get 3g/4g speeds.
[Sprint Samsung Galaxy S 4 General] joshp8a:
I followed these steps and it worked just fine on T-mobile... how can I revert the changes to return the phone to its previous state? By installing a stock ROM is enough or is any additional steps needed?

---------- Post added at 06:12 PM ---------- Previous post was at 05:51 PM ----------

did you ever fixed the issue? I got the same issue with mine but for telcel
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
I'm getting real choppy voice/calls on the MK5 modem...saw a few posts back that I can upgrade to the NAE firmware & the unlock should stay working...anyone try this yet?

or would i need a different firmware since i have the 720T?

when I call someone it sounds like they're under water...
[Sprint Samsung Galaxy S 4 General] iBowToAndroid:
Dial ##72786# in the dialer. Also, never quote the entire OP.

Never flash firmware from another model. Make sure your modem version matches software version
[Sprint Samsung Galaxy S 4 General] broad_st_bully:
yeah I understand that...it would have to be for the 720T not the 720, but it shouldn't break the unlock, correct?
[Sprint Samsung Galaxy S 4 General] twanhines:
I must be doing something wrong. I get to the service menu, then I choose the left soft key, choose select or key input, and I've tried both 1 and 2 for both select and key input with nothing happening. All I see in the service menu is "no service". I've done this with and without the sim card for att installed. Any advice would be good. Or if anyone happens to have the galaxy tools app that gets you into the hidden menu that would be great also! thanks.
[Sprint Samsung Galaxy S 4 General] chyllax:
followed the guide, went to mdc, i have sprint gs4 trying to get on ATT , i think i did it right but it still shows invalid sim and when i try to test call it says account cannot be validated call customer service.

Any thought?
[Sprint Samsung Galaxy S 4 General] daniel4653:
Invalid sim means you did not do the international unlock.
[Sprint Samsung Galaxy S 4 General] chyllax:
I should just be able to international unlock now and it work, or would i need to start from the beginning.

---------- Post added at 11:02 PM ---------- Previous post was at 10:44 PM ----------

Re-did international unlock twice, first time didnt take. swaped to att sim, made first test call fine sen test mms, txt, and was able to get data access.. some reason i cant receive txt or calls.

althought when i went to CM now my data isent working ,
[Sprint Samsung Galaxy S 4 General] chyllax:
Ive tried with CM11 and Negalite same issue. going back to stock rom for troubleshooting

when someone tried to send me a message it fails to send and when they call it goes right to VM