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[Q] GSM Rom suggestion ???

Hi all,
I just sim unlock my sprint s4 both international and domestic. It come with the NAE modem. while unlcok it, I odin to MDC modem.
I have signal and text on AT&T network on this phone now. ( Phone is not rooted yet, I did edit the build.prop to add ril.sales_code=LOL
ro.csc.sales_code=LOL. I am not sure if not-rooted matters).
Right now I am looking into flashing a rom to use on AT&T network. Lots people suggests Fenny's T-mobile rom. and some suggest SACS CUSTOM ROM
I am not sure which is better if I am using a GSM network.
And If T-mobile roms are better for GSM rom, how could I flash them? Do I need to flash NAE modem back?
Thank you for all of you idea/suggestion.

I just asked pretty much the same question in the following post...
http://forum.xda-developers.com/showthread.php?t=2764201
I think we have to build the roms for the device ourselves, but I was reading about calling issues on unlocked phones so I'm trying to find out what to do as well. Flashing recovery is easy enough, then the rom of course, but getting this right rom zip seems to be a little tricky in our scenario. Not hijacking or anything, but check my thread too in case someone answers on mine first.
BTW, this is the post I was referring to about phone issues with non-stock roms on an unlocked sprint s4...
http://forum.xda-developers.com/showthread.php?t=2539794
Well, it looks like the 100% sure way to get this working is to do the outlined steps in the post linked above to the nightly builds of CM11, which I will link below (notice the spr/att designation at the end of the link)...
http://download.cyanogenmod.org/?device=jfltespr
http://download.cyanogenmod.org/?device=jflteatt
Other way looks to grab a jflteatt labeled rom from the Sprint Android dev subforum, but it looks more hit or miss. I might be way off and overthinking this, but I'm gonna try the mix/match way.

Well, I ended up working this out myself. I grabbed the nightly CM11 spr and att jflte builds, then followed the directions from the post I linked before that showed how to mix the 2 so the Sprint boot.img was in the AT&T build, including changing the updater-script so that the assert line read "jfltespr" in the 3 locations it had "jflteatt", then flashed the jfltespr CWM recovery from Heimdall, used recovery to wipe data/cache/darvik, installed the mixed rom from recovery, then installed the Chronic kernel (blackscreen without this), and the gapps apk for CM11. Once I was done everything worked perfectly, I only had to change the APN to the ATT Phone one for HSPA+. From what I can tell the CDMA portion of the phone is pretty much gone, and it shows the phone model as the AT&T version instead of the Sprint version (ie shows l337 instead of l720). The correct phone number from the SIM is now properly displayed as well. Also, with the Chronic kernel (slight OC) and CM11 the phone is lightning fast and responds instantly. Overall I'm very happy with this. Hope this helps anyone else in the same scenario. BTW, still using MDC modem from Odin flash during the domestic unlock.

S4 i9505 Orange need to flash US AT&T rom

Hello!
I bought my mom an inexpensive S4 and it came with Orange wireless service provider and it's in French out for the box.
It's having some problem suck as MMS issues and all that, not to mention it's just being a pain in the butt to work with.
I want to flash the stock AT&T ROM to it ASAP so she will stop yelling at me about it, but I can't seem to find a copy around here. Maybe I'm just looking in the wrong areas, but I would appreciate some help locating it, thanks!
Also, it's been a while since I have done any ROM changes, so maybe showing me how they do it now would be helpful as well, thanks.
-Dave M.

AT&T ROMs cannot be installed on your phone. Odin will reject it at best, and you could hard brick the S4.
Unlock the phone by using the service menu exploit, RegionLock Away, or by purchasing an unlock code. Once the S4 is unlocked, you can install an unbranded firmware in place of the Orange-branded firmware. Keep in mind that this phone will never get LTE in the states as the frequencies are different.

Yes, I was made aware of the no 4G, no LTE issue with using a European phone by the guy who didn't know what he was doing when he programmed in the wrong APN settings at the AT&T corporate store...
Supposedly, the company I bought it off said this phone was unlocked already, so what then? It's been about 2 years since I did anything with ROMs, so I might be a little out of the know about the new stuff, thanks.

If it's already unlocked, then you can install any I9505 stock ROM you want. Download this ROM from Sammobile and follow the instructions on that page to install it. It's UK firmware so at the language prompt it will default to English. Be aware that you may have to flash the ROM twice before the S4's wireless radios function properly.
If everything goes as expected the APN should be automatically set. If not there are tutorials all over the place on adding an APN.
EDIT: Download the drivers from Samsung's website if not included in the Odin download on Sammobile. You'll need to have them installed for Odin to function.

Thanks. Now, how can I check to make sure this one is unlocked? Service mode is weird, because I had to do the Q followed by 0000 in key input to get it to give me the menu...

Put your Mom's AT&T SIM into the phone. If it asks for an unlock code then the S4 is still carrier locked.

Oh, okay. It's been working for like 2 months like this, lol.
Aren't there still a few carriers that aren't blocked for other regions? I just want to be sure, absolutely. I just want to know if there's another way to check.

Since it was Orange by origin (and those guys tend to lock stuff) I would say you would NOT be able to run AT&T on it as well (Orange ONLY lock - not really region lock)
When you say AT&T works I would assume previous owner already did what was needed and unlocked this device.

Sounds solid, thanks a bunch, fellas.
I just really wish there were a touchwiz ROM from AT&T for this particular model...

No, no you don't. If anything, you have it far easier by not having AT&T firmware. Unless of course you happen to LIKE encrypted (i.e. locked) bootloaders. AT&T and Verizon lock their bootloaders, which makes the simple things like rooting, bloatware removal, and custom ROMs far more difficult, and in some cases bordering on the impossible.
Your Mom may not give a damn, but by not having to deal with the headache of a locked bootloader you've made your life easier.

I've dealt with several so-called finished custom roms, such as the likes of such as Cyanogenmod and others, and lets just say they aren't quite as solid as the stuff that the phone comes with.
There's always something that doesn't work like it's supposed to or some important app that won't work somehow. Last time, I went with a stock rom, custom recovery (I like TWRP) and rooted the device and it ran just like I wanted. SO yeah, I'd like to use a stock touchwiz rom for the US if it's available somewhere.

I understand not wanting to toss a custom ROM on the phone, but that wasn't the point of my post. The ROM I prompted you to download several posts upthread is a stock Touchwiz ROM. In fact, up until this morning it was the same ROM I was using on my O2 I9505 that I'm using here in the US. As the I9505 is not available and never will be available from a carrier in the United States, there will never be a US ROM available for this phone. The ROM I had you download, unlike the AT&T ROM, has no carrier branding of any kind, no carrier bloatware, and no locked bootloader. As a result, you don't have the carrier meddling around with the ROM and making the experience worse by having crud added.
My point is, bluntly, that you're far better off now than you would be with an AT&T device. So, hopefully, now that you got everything sorted out your Mom can enjoy the phone.

Please Help: Trying to add Sprint CDMA/LTE Bands to my VZW G900V

I have a G900V bootloader unlocked currently running CM 13 and I would like to add Sprint CDMA & LTE bands so I can use a The Peoples Operator SIM card in an area that has better Sprint coverage than VZW. I read over this Guide on adding GSM & LTE Bands to the G900V and calculated the binaries to add the bands:
CDMA 0,1,10
LTE 2,4,13,25,26,41
CDMA Binary 10000000010
LTE Binary 100000000000000110000000000010000000010100
All set to go but I can't seem to get figure out how to get into USB Settings to change from AP to CP and MTP + ADB to RNDIS + DM + Modem, the dialer codes just don't seem to work even after changing efs/carrier/hiddenmenu from OFF to ON. I took a look at EFS Pro but it doesn't seem to have an option to Change from AP to CP. Any help would be greatly appreciated.

If your trying to get into diag mode this will do it running cm13.
http://forum.xda-developers.com/showthread.php?t=1626638

jbgtenn said:
If your trying to get into diag mode this will do it running cm13.
http://forum.xda-developers.com/showthread.php?t=1626638
Click to expand...
Click to collapse
Thank yo for the link. Sadly I couldn't get the scripts to work on my G900V S5 CM13. But that link ended up leading me to this one CM13 QPST Editing files is a little above my paygrade so to speak, I've been following directions for years but still a total newb at most of this stuff but I am hoping I'm on the right track.

twolostminds said:
Thank yo for the link. Sadly I couldn't get the scripts to work on my G900V S5 CM13. But that link ended up leading me to this one CM13 QPST Editing files is a little above my paygrade so to speak, I've been following directions for years but still a total newb at most of this stuff but I am hoping I'm on the right track.
Click to expand...
Click to collapse
It should work. Are you running the diag.sh script? I have same phone and cm13 and it works for me.

jbgtenn said:
It should work. Are you running the diag.sh script? I have same phone and cm13 and it works for me.
Click to expand...
Click to collapse
I run DIAG.SH and it just hangs there. I think I am going to do a fresh install of CM13 later this week and give it another shot.

this is what i'm trying to figure out, because i can get a good local S5 VZW but SPR use different LTE bands.
i know typically the saying is never flash anything for a different carrier of your model, but some people seem to do it with a ymmv statement, wondering if this may be the easier route to get it to just work like a native phone.
i've read several threads from people talking about carrier rom swap, some casually saying sure it can work, but no updates from OPs or others that said they would try, definitively saying that it worked or failed.
so... has anyone literally gotten something like the Odin flashable firmware at sammobile or someplace for the Verizon VZW sm-g900v and flashed it with the Sprint SPR sm-g900p stock firmware, completely changing its baseband, modem, everything so it now identifies and works the same as a Sprint phone?
or should i just keep waiting for another similarly cheap S5 bundle in a Sprint flavor?

Did you try *#0808#
Sent from my SM-G955U using Tapatalk

twolostminds said:
I have a G900V bootloader unlocked currently running.......
Click to expand...
Click to collapse
I've never added any bands to my G900V myself but, I do know that it's plausible to do this.
From what I can tell, the only bands that are needed that the SM-G900P has vs the SM-G900V are specific to the 4G LTE.
Though I did confirm this using a few different locations, I believe that the following link is the best choice in viewing the comparisons between the two devices.
https://www.phonemore.com/compare/p...m-g900v-vs-samsung-galaxy-s5-sm-g900p/4561723
With that guidance...
The following link is one of the Guides available on the forum for adding Bands to a GS5. It was closed but, not because it wasn't working. It was closed because of the negative interactions from various members in there but, the guide and downloads are still good.
https://forum.xda-developers.com/showthread.php?t=2886059
Please Note the success stories on the second post...
The following is another guide as well. Though, it's located within the Galaxy Note 4 area, you could say that the Galaxy Note 4 is the "Note" counterpart to the Galaxy S5.
https://forum.xda-developers.com/showthread.php?t=3160864
Please Note that the OP does reflect some S5 information as well...
Those are just 2 thread examples to help accomplish what you're looking to do.
I do wish you the best of luck and hopefully the next post here will reflect your success!
~~~~~~~~~~~~~~~
I DO NOT provide support via PM unless asked/requested by myself. PLEASE keep it in the threads where everyone can share.

thanks for the double check.
it looks like those are some of the threads and sites i've looked through already as i wanted to be sure i had the proper lte bands that the Sprint model came with, and it seemed possible.
however, with the increasing coverage of cybersecurity, i am increasingly hesitant the more closed source and leaked tools are involved (especially when i see some thread guides that have a mod edit for malicious download link removal).
i suppose i should just pass on the Verizon listing, and wait to spot a similarly good deal from a local person selling their personally cared for Sprint S5 plus spare battery charger case and 2nd battery all under $100 (i'm sure you can understand why i wanted to "make it work", hehe).

Samsung galaxy note 3 Verizon help help help

Actually i am from india and i bought an samsung verizon note 3.. It was good before also i was able to use airtel 4g also.. But one of my friend installed stock rom and the mobile does not showing 4g at all.. I tried to root the phone but faiked to root... Please developer help me to install a custom rom and help me to use the phone with 4g

dipankar.c2bs said:
Actually i am from india and i bought an samsung verizon note 3.. It was good before also i was able to use airtel 4g also.. But one of my friend installed stock rom and the mobile does not showing 4g at all.. I tried to root the phone but faiked to root... Please developer help me to install a custom rom and help me to use the phone with 4g
Click to expand...
Click to collapse
The problem is the APN and you can not modify it. Contact your carrier and see if they can assist.
Sent from my SM-N900V using Tapatalk

ehrn i purchased the phone it was perfect. connecting internet was showing 4g.. but when i installed this original Verizon rom it became difficult.. now i am unable to root and install custom recovery... please guide me to root and install custom recovery TWRP and i want to install custim rom.. please help

@dipankar.c2bs
You might look into getting your CSC "sales_code" changed. I'm not sure if that is entirely the problem, but it is likely related. Even the USA Verizon ROMs come preloaded with databases that are used to provide custom parameters for a variety of carriers and locations world-wide. (See the file /system/csc/imsprofile.xml for example) I suspect the way this information is actually used is through the "sales_code" CSC value, but I'm not 100% sure of that.
I'm guessing you want "INS" or "INU" instead of VZW
What you currently have:
Code:
getprop | grep -i csc
If your handset is supported by Airtel, one of their technicians will probably know how to do the CSC change, possibly without even rooting the phone.
If it not supported, they probably will be under orders of their employer not to help you at all. But, is is easier for them to give you advice face-to-face, rather than over the telephone (subject to monitoring), if that is possible.
A question to ask - a form of social engineering - is this: "do you know of someone in the area that can help me for a small fee?"
[EDIT]
There is one other possibility for a non-rooted phone. I really don't know if this would work (I am speculating here), but the basic idea is to apply a CSC for a closely related device Model (a SM-N90???? Qualcomm model, hopefully for CDMA/LTE) that is for your country and carrier on top of your existing ROM using Odin. Get the CSC file from Sammobile, and:
- wipe the entire phone using the stock recovery. (You can remove the external SD card first if you like)
- boot the phone, shut down, boot into stock recovery.
- wipe the entire phone again in the stock recovery
- boot into Odin and flash the CSC in the CSC slot.
- boot the phone; do a minimal configuration and see if you have the service you want.
Note that @donc113 s advice given above is the right place to start: ask your service (Airtel) to help you before you try anything yourself.
good luck.

when i purchase it was good... there was 4g indicator also.. no verizon boot screen.. but now it dont works..

dipankar.c2bs said:
when i purchase it was good... there was 4g indicator also.. no verizon boot screen.. but now it dont works..
Click to expand...
Click to collapse
One of your friends who installed the stock ROM apparently didn't understand the consequences of what he did. Stock ROMs set the APN for Verizon. Did this friend happen to make a backup before he did the ROM switch?
Sent from my SM-N900V using Tapatalk

no he have not back up the previous rom

Knox?

SM-G975U SPR need to move to ATT Carrier to use with Cricket

Cricket just upgraded their network, for 5 years I have been using this phone on their network, no issues, the do an update and now my phone only works at 3G. My wife I thought had the same phone, but hers seems to be on ATT so not issues there, I am new to all of this, but I am technical, so I am asking for assistance, because I do not want to brick my phone. Can I get a copy of her firmware and install in on my phone? if so how would I do that. I have been reading a ton on XDA and do not understand root a phone, or ADB or Odin, and I can find others talking on the internet but no documentation on how to do what I need to do, just people saying root and download Home_CSC. not a clue from that, any help would be greatly appreciated.