Confusion with Samsung S4 - Galaxy S 4 Q&A, Help & Troubleshooting

I have a Samsung S4 (SGH-I337). This a grey import into the UK. It is AT&T but unlocked to any carrier running Android 4.2.2.
I want to upgrade the firmware and to get rid of all the AT&T bloat on it. There are a number of custom ROMS around. Everyone I speak to points me to another one and adding to my confusion. There is talk about which bootloader I have which I do not know.
Could you point me please to a relevant section to guide me through before I cause any damage.
Thanks
David

Related

[Q] Flashing ATT I337 to Stock Android 4.2.2

Hello everyone,
Before I continue... I currently have a Galaxy SII Skyrocket that I've flashed several times using Odin and have rooted in order to reset the custom ROM counter to 0, followed by flashing back to official 4.2.2 via the firmware available on Sammobile. Not saying I'm a technical expert, but if there's instructions on how to do it, I can follow.
My ATT contract is up for upgrade eligibility in the middle of June, and will be ordering the Galaxy S4 when the time comes. I understand the I337 and I9505 are basically the same device, so I9505 firmware can be flashed onto the I337. I've also found the simple instructions on how to unlock your device from AT&T's network.
My question is, is there an available firmware that is stock Android 4.2.2 (no AT&T bloatware or stuff that didn't originally come from Android), basically what will come with the unlocked Galaxy S4 that will be available from Google via the Play Store, that is official (like ROMs found via Sammobile) that can be flashed to the I337 without tripping the custom ROM counter or requiring the device to be rooted? I don't even care if the phone is unlocked... I'll be using it through AT&T's network. I just don't want what Google didn't originally intended Android 4.2.2 to contain on my device.
And if not, which I assume is the answer, is it safe to assume the firmware that will come on the unlocked S4 from Google will be flashable onto the I337 with the abovementioned terms?
I apologize in advance if there is a thread that already answers this question.
Thanks,
Brett
Im looking for sane thing. A base 4.2.2 google goodness without TW, bloatware etc.
Sent from my SGH-I337M using xda app-developers app
It's safe to assume we will be able to flash the Google edition rom but it hasn't been confirmed. Right now the main worry of anyone who doesn't currently own an S4 is a future update that patches Dans Loki exploit. I'm far, far from a dev but I do stalk the R&D thread Adam created about unlocking the bootloader permanently, and I don't see much activity. I don't really know how far they've come or how close they are, and I've got enough common sense to not bug them or ask for eta's.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 4 Beta
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When some devs get a hold of the google os, I am sure they will port it over for us. I see no reason why we will not be able to run that rom.

Galaxy S4 on Wind Mobile

Hey Guys,
First time poster so I apologize if Im putting it in the wrong thread, but I couldnt find exactly what I am looking for.
I have a Galaxy S4 on Wind Mobile in Canada. I want to flash to stock firmware but cannot find a Wind Mobile stock firmware. As such, I am wondering if they run off of Rogers or a different company, or potentially an American carrier -- I have no clue whatsoever.
If possible, can someone also post the best instructions for reverting back to stock firmware.
Again, Im really sorry about my ignorance on the subject.

Cant Update or Flash Sprint spark S4

Good day everybody
Its been 2 days triyng to flash, unlock (For international usage) and update a Samsung Galaxy S4 Sprint Spark
I haved search and read on the device, and all i can find is the bootloader MK2, or MDL or MCL.
When i look something for S4 Sprint with MK5 i cant find anything, just info telling me thats is android MK5 Triband
Can someone point me at the right Direcction please.
The phone is rooted (Dont know what method) and it has MK5, i want to upgrade to 4.4 with Odin or TWRP
Thanks to everyone to answer.
Darkpikasso said:
Good day everybody
Its been 2 days triyng to flash, unlock (For international usage) and update a Samsung Galaxy S4 Sprint Spark
I haved search and read on the device, and all i can find is the bootloader MK2, or MDL or MCL.
When i look something for S4 Sprint with MK5 i cant find anything, just info telling me thats is android MK5 Triband
Can someone point me at the right Direcction please.
The phone is rooted (Dont know what method) and it has MK5, i want to upgrade to 4.4 with Odin or TWRP
Thanks to everyone to answer.
Click to expand...
Click to collapse
You are out of luck, there is currently only one way to unlock the L720T for international use, and that is calling Sprint and doing it through them. You must have had the phone for 90 days, be activated on Sprint, or have a valid reason to unlock before the 90 days. The regular Sprint tech support can't help you, you must call Sprint Worldwide or International to get to the right person. If you bought this phone to use outside the US exclusively and not activate on Sprint than sell it now. Only the original Sprint S4 can be unlocked manually.

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.

SM-G928A Debranding Question

Hello all. I am new to the world of android and would like some assistance with a topic - flashing stock firmware.
I bought an AT&T S6 Edge+ outright and absolutely love the phone. Except that it's filled with all sorts of AT&T apps and certain functionalities of the phone is disabled. I researched the topic of flashing the firmware to another region/carrier's stock firmware and it seems that this is a possible route to "debranding" the phone. However I also learned that AT&T locks the boot loader. Will this have any impact on me flashing the ROM with another firmware for this model?
Thanks for all the advice and patience!:good:
miss_oui said:
Hello all. I am new to the world of android and would like some assistance with a topic - flashing stock firmware.
I bought an AT&T S6 Edge+ outright and absolutely love the phone. Except that it's filled with all sorts of AT&T apps and certain functionalities of the phone is disabled. I researched the topic of flashing the firmware to another region/carrier's stock firmware and it seems that this is a possible route to "debranding" the phone. However I also learned that AT&T locks the boot loader. Will this have any impact on me flashing the ROM with another firmware for this model?
Thanks for all the advice and patience!:good:
Click to expand...
Click to collapse
same prob.
miss_oui said:
Hello all. I am new to the world of android and would like some assistance with a topic - flashing stock firmware.
I bought an AT&T S6 Edge+ outright and absolutely love the phone. Except that it's filled with all sorts of AT&T apps and certain functionalities of the phone is disabled. I researched the topic of flashing the firmware to another region/carrier's stock firmware and it seems that this is a possible route to "debranding" the phone. However I also learned that AT&T locks the boot loader. Will this have any impact on me flashing the ROM with another firmware for this model?
Thanks for all the advice and patience!:good:
Click to expand...
Click to collapse
Anyone who can help? Same issue here, can't stand this **** by at&t
Not possible
Device specific firmware is on carrier devices so if you try to put kor or T-Mobile or whatever on one the american s6 or edge then I believe its the bricks for you...I also believe if you have a clean imei the carrier will unlock it for you don't hurt to try ..the story is you may have to be on their network activated and also if you purchased through the payment option after its paid off it can be unlocked ..debranded whatever
miss_oui said:
Hello all. I am new to the world of android and would like some assistance with a topic - flashing stock firmware.
I bought an AT&T S6 Edge+ outright and absolutely love the phone. Except that it's filled with all sorts of AT&T apps and certain functionalities of the phone is disabled. I researched the topic of flashing the firmware to another region/carrier's stock firmware and it seems that this is a possible route to "debranding" the phone. However I also learned that AT&T locks the boot loader. Will this have any impact on me flashing the ROM with another firmware for this model?
Thanks for all the advice and patience!:good:
Click to expand...
Click to collapse
There is no way to "de-brand" the phones.......
Crossfader971 said:
same prob.
Click to expand...
Click to collapse
thelittleleto said:
Anyone who can help? Same issue here, can't stand this **** by at&t
Click to expand...
Click to collapse
Do what I done, Sell the phone on Swappa, Ebay, Amazon or Craigslist & purchase
an international version of the S6 Edge+ or any other Samsung International phone.
They all come factory unlocked and very easy to root.
The only feature the T-Mobile users will no longer have
is the wifi calling. Being rooted is an excellent trade-off
for the wifi calling feature unless you live in the middle
of no-where. LOL
All the other features work just as good in all the
international phones as with the branded phones.
Good luck and have a great evening!

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