I have left my phones stock for a while now, so I might be outdated and to be honest, I don't want to take any risks.
I have a SGS4, SGH-1337M, and I would like to install the latest stock firmware that does not have any of the carrier garbage. I checked out sammobile.com for some firmwares, but they all seem to be locked down with the bloatware and useless stuff carriers like to include.
So my first question, are there any stock firmwares for my phone that are free of everything you don't want on a phone?
Second, I used odin to flash my phones before, however, I remember that firmware is one thing, but I would also need the carrier proprietary modem? If the firmware flash still requires separate files, where can I find Bell Canada's modem?
I know there are plenty of guides, and threads that can help answer my questions, though I must suck at searching... Besides, asking questions gives specific answers, and I know this community has always been very helpful
You would be better off asking in the forum for your phone
http://forum.xda-developers.com/galaxy-s4-att
You're not going to find any stock firmware that does not have carrier bloat. You'll either have to root and get rid of it yourself or flash a custom rom
Sent from my Nexus 5
Knocturnal88 said:
I have left my phones stock for a while now, so I might be outdated and to be honest, I don't want to take any risks.
I have a SGS4, SGH-1337M, and I would like to install the latest stock firmware that does not have any of the carrier garbage. I checked out sammobile.com for some firmwares, but they all seem to be locked down with the bloatware and useless stuff carriers like to include.
So my first question, are there any stock firmwares for my phone that are free of everything you don't want on a phone?
Second, I used odin to flash my phones before, however, I remember that firmware is one thing, but I would also need the carrier proprietary modem? If the firmware flash still requires separate files, where can I find Bell Canada's modem?
I know there are plenty of guides, and threads that can help answer my questions, though I must suck at searching... Besides, asking questions gives specific answers, and I know this community has always been very helpful
Click to expand...
Click to collapse
To get rid of bloat, you need to root, check chainfires CF-auto root for that, to flash a rom, any rom, you need a custom recovery, although you can flash roms from sammobile with odin. As for the bloat, it is suggested to freeze what you don't want in titainuum backup which will remove them from your apps drawer. This way you can make sure the phone still works. The modem for 4.4.2 is NC1 can be found here under a bunch of links, that is flashed with Odin. The Canadian modem is not carrier specific but your APNs are so you need to likely re-enter them if you cn't get data to work.
Related
Hi there,
I am planning on getting a Red AT&T S4 and getting it unlocked for use with a Canadian Carrier. I would like to know if it will be possible to flash the phone with the stock rom,that is,one that still has touchwiz but no AT&T bloatware. Does such a Rom even exist and can I find it online ? Also,will I get OTA updates once I flash it or will I need to keep re-flashing to get the latest version ?
Thank you for the help.
Goldeneye has exactly what you want:
http://forum.xda-developers.com/showthread.php?t=2313469
Touchwiz ROM based on the latest international firmware, debloated, with lots of option addons. AND AWESOME dev support in the above thread.
Once you flash the ROM, you will not be able to receive OTA updates unless you go back to stock. The dev will quickly release updates to the ROM and you can flash the update and reap the benefits!
Sounds good,thanks for the fast reply ! Will flashing the updates afterward remove my data ? Anyway,I guess I will move over to this particular rom thread for more info about that....
One more thing,if I stay with att rom I will be able to get OTA updates ? Or will I loose this ability if I root and go outside the US ?
Thanks,
kiwi32 said:
Hi there,
I am planning on getting a Red AT&T S4 and getting it unlocked for use with a Canadian Carrier. I would like to know if it will be possible to flash the phone with the stock rom,that is,one that still has touchwiz but no AT&T bloatware. Does such a Rom even exist and can I find it online ? Also,will I get OTA updates once I flash it or will I need to keep re-flashing to get the latest version ?
Thank you for the help.
Click to expand...
Click to collapse
Read these first...
http://forum.xda-developers.com/showthread.php?t=2314494
http://forum.xda-developers.com/showthread.php?t=2301762
http://forum.xda-developers.com/showthread.php?t=2283918
After you read those, ROMs are located in the "Development" and "Original development" sub forums. But read these before you do anything with them...
http://forum.xda-developers.com/showthread.php?t=2312444
http://forum.xda-developers.com/showthread.php?t=2295557
Why would you buy an AT&T S4 (bootloader locked) and then use it on a Canadian carrier? Why not just get a SGH-i337M (Canadian) with an unlocked bootloader? If you get the AT&T S4 on MF3 firmware you will only be able to Root it. Custom recovery is not available for that firmware.
Make sure you read all of the information in the threads I linked you to above. The information you need for all of your questions is located in those threads. Good luck.
Really helpful,thanks ! So once I install say goldeneye rom,I'll be able to dirty flash updates without loosing anything right ?
kiwi32 said:
Really helpful,thanks ! So once I install say goldeneye rom,I'll be able to dirty flash updates without loosing anything right ?
Click to expand...
Click to collapse
That depends on how significant the updates are. The dev will usually let us know if we can dirty flash.
There's also a semi dirty flash where you wipe everything, flash the rom cleanly, then do an advanced NANDROID restore of only the /data partition.
Once in awhile you might have to redo all your settings but you can use Titanium Backup to help out with the app settings. Titanium can also restore your calls logs/SMS/MMS. Of course all your contacts should be stored on Google's cloud so those come back automatically.
I'm used to my Skyrocket so I'm not too noobish, but the s4 is different so I want to do this right.
So I have been reading Haphim's thread listed below about getting his new phone and he said it came with the MDL fw.
http://forum.xda-developers.com/showthread.php?t=2432816
Mine came with MDB FW. I immediately turned off the OTA updates after I rooted the phone. I had some issues trying to rename the Data Management app, so I used TBU to freeze it. Thank goodness ~wolverine~ posted a link to the 3 updates I needed to freeze. I found 2 of the 3 updates, but FWUpgrade x.x.x was not listed on my device. Is this because of the age of my firmware? This was NEW in the box, so I must have gotten one that had been sitting on a shelf somewhere, that is if the MDB fw is older..
Now if the above holds true about the MDB FW, are there any advantages of this one over any others?
What about modems? Can I update to a newer modem without upgrading my FW?
I'd like to go to a newer TW based rom (I have a Samsung TV and would prefer to use Allshare, ect). Can I do this with just flashing the rom via TWRP? Do I need a newer modem to do so? I saw some mention that an international version of TW rom is better. Why would that be? I'd like to jump to 4.3, but I'm still on 4.2.2.
Just a side question, does the CM based roms have Bluetooth issues? the Skyrocket CM based roms had connectivity issues where you'd have to reboot to get BT functionality back.
Sorry for the list of questions, I just got this phone and do not want to brick it.
I'm assuming you already found this, but if not it's a good place to start. http://forum.xda-developers.com/showthread.php?p=42320391
Flashing roms is not as straight forward as the sr as the boot loader is locked and you need to use Loki to work around it. If it were mine I'd Odin to mdl, root it and freeze the update apps so you don't get mf3. Then do more research until you're comfortable flashing.
Thanks for the reply. The thread you linked was very informative.. but..
What about the other questions? Modems, CM issues, ect?
Hi Guys,
Can someone please point me in the right direction on where to find the Latest Stock Lolipop ROM for Samsung S4 Canada?
I've searched this site and found several of them but they all appear to be modded. Any help would be greatly appreciated!
Thanks in advance.
sammobile.com
samsung-updates.com
Strephon Alkhalikoi said:
sammobile.com
samsung-updates.com
Click to expand...
Click to collapse
Hi Strephon,
Thanks for your speedy response. How do I know which region is my phone and Does the region matter for which ROM I grab?
http://samsung-updates.com/device/?id=SGH-I337M
Also, can I juse CWM to install or will I need to use Odin?
Thanks again!
To help answer your question, please post the following information:
1. Model Number
2. Android Version, found by going to Settings > More > About device.
3. Firmware Version (AP, CP, CSC), found by dialing *#1234# in the dialer or by installing Phone Info from the Play Store and running it.
4. Service Provider
5. Country
6. Is the phone rooted? (Yes/No)
7. Is a custom ROM installed? (Yes/No, and the name of the ROM)
Hi Strephan,
1. Model Number: SGH-I337M
2. Android Version: Kitkat v4.2.2
3. Firmware Version AP: I337MVLUGOC4, CP: I337MVLUGOC4, CSC: I337MOYAGOC4
4. Service Provider: 7-Eleven Speak Out
5. Country: Canada
6. Is the phone rooted? Yes
7. Is a custom ROM installed? No
I ended up flashing using odin with the following file and everything seems to work fine except for some reason there is a HUGE amount of space that's has been taken up on the internal SD card and I can't seem to figure out what or where it is.
Here's the link to the ROM and instructions I used:
http://www.sammobile.com/firmwares/download/45777/I337MVLUGOC4_I337MOYAGOC4_RWC/
Please let me know if there's anything I missed, Sorry for not waiting, I got impatient!
Thanks again for your help
How much is "huge"? You should have about 9GB remaining after the stock ROM is installed.
Oh, and the ROM you installed was fine.
Strephon Alkhalikoi said:
How much is "huge"? You should have about 9GB remaining after the stock ROM is installed.
Oh, and the ROM you installed was fine.
Click to expand...
Click to collapse
Hey Strephon,
I was left with just under 400 mb after the install. I suspected that it was my CWM backup image taking up the room but after deleting it-it STILL still showed my phone was left with just under 400mb BUT after I rebooted - BAM, total available space now 4.45GB. yay!
I'm tempted now to try out the imperial ROM for lolipop but I'm guessing I'd lose OTA updates right? In fact, I'm guessing I'll lose OTA updates if phone is rooted? Do you know of any custom ROMS that are identical to lolipop but SLIMMED down ie: doesn't have any of the samsung, rogers, bell, crap?
Thanks again for your help Strephon!
Yes, using a custom ROM will cost you OTA updates. But, given the fact you can install a ROM using Odin without losing data, losing OTA updates is simply not a big deal.
None of the Touchwiz custom ROMs have the Rogers, Bell, or Telus bloatware. The Samsung bloatware though is a given on those ROMs. The good news however is that there are guides on the forums here that can be used to customize those ROMs, by deleting the bloatware from the flashable zip before you install it.
The ROMs that aren't based off Touchwiz, in addition to removing the carrier bloatware, also remove all the Samsung bloatware and its customizations, leaving you with something closer to what Google offers on its Nexus 6.
In general, the ROMs in the Android Development subforums are based off Touchwiz, while the ROMs in the Original Android Development subforums don't use Touchwiz at all. However, at least in the Android Development subforum, there can be exceptions.
Hey Strephon,
Just wanted to write about my experience so far.. After flashing to Lolliop 5.01 the email app was slow as molasses retrieving mail, so after some research I discovered doing a cache wipe was supposedly going to fix it..... NOPE! screwed up my phone so then I had to do factory reset. After which FINALLY, it was fixed. THEN, I wanted to get rid of all the bloat ware the stock Lollipop ROM came with. I decided to tackle this with the nifty program called Debloater. After some trial and error removing vital things that resulted in me having to factory reset 3 times and ultimately ending with a full re-install of Lollipop ROM via Odin I FINALLY have my phone setup perfectly the way I want. It was aaaall worth the time and effort, I'm really happy with the results - it's like a brand new phone!
Anyway, just wanted to share this with everyone. Thanks again Strephon and XDA - keep up the awesome work! :good:
Strephon Alkhalikoi said:
Yes, using a custom ROM will cost you OTA updates. But, given the fact you can install a ROM using Odin without losing data, losing OTA updates is simply not a big deal.
None of the Touchwiz custom ROMs have the Rogers, Bell, or Telus bloatware. The Samsung bloatware though is a given on those ROMs. The good news however is that there are guides on the forums here that can be used to customize those ROMs, by deleting the bloatware from the flashable zip before you install it.
The ROMs that aren't based off Touchwiz, in addition to removing the carrier bloatware, also remove all the Samsung bloatware and its customizations, leaving you with something closer to what Google offers on its Nexus 6.
In general, the ROMs in the Android Development subforums are based off Touchwiz, while the ROMs in the Original Android Development subforums don't use Touchwiz at all. However, at least in the Android Development subforum, there can be exceptions.
Click to expand...
Click to collapse
Ogriv said:
Hey Strephon,
I was left with just under 400 mb after the install. I suspected that it was my CWM backup image taking up the room but after deleting it-it STILL still showed my phone was left with just under 400mb BUT after I rebooted - BAM, total available space now 4.45GB. yay!
I'm tempted now to try out the imperial ROM for lolipop but I'm guessing I'd lose OTA updates right? In fact, I'm guessing I'll lose OTA updates if phone is rooted? Do you know of any custom ROMS that are identical to lolipop but SLIMMED down ie: doesn't have any of the samsung, rogers, bell, crap?
Thanks again for your help Strephon!
Click to expand...
Click to collapse
Don't worry about the OTA, we won't be getting any more updates anyways lol?
Tap thanks instead of writing it. Guess what, it's easier!! ??
Dear Benevolent Android Wizards: please help me root an AT&T S4! I plan to buy a used S4 and want to make sure it can be rooted. Are some firmware versions rootable and some not? If so, which ones? I've seen phones available running I337UCUFNB1 and NJ4, as an example. I tried to check the forums here, but I'm new to this and it's too confusing. Also, as time passes, some of the comments become dated and wrong. One forums here say to downgrade NC1 by flashing NB1, take OTA update to NC1, then OTA to NL1- but I don't know if these OTAs are still available, for example. I'm simple and hope someone can explain things in a simple way! I don't want custom ROMs, just to root and maybe make backups. Please help, O Wise Ones!
You will probably buy a phone with at least 4.4.2 or above. It can be rooted by flashing the NB1 firmware (if it is not already on NB1), flashing the NC1 kernel and rooting with Towelroot. Then you can upgrade to 4.4.4 or 5.0.1, depending on what you want. You can install Safestrap to do backups on KitKat or Flashfire to do backups on Lolipop.
Here is a good place to start reading. Contains all info and links you need.
Thanks a lot!
So you're saying that any S4 running 4.4.2 or 4.4.4 should be able to be rooted?
And I would use Odin to flash NB1 firmware and then NC1 kernel (also using Odin?), then Towelroot would work?
How do I get the phone back to the firmware and kernel it came with?- also with Odin?
Yes. Or 5.0.1 for that matter.
You can root phones with earlier versions of the firmware as well.
All the instructions you need are available in the thread I linked above. You probably don't want to go back to what firmware came on the phone. You will need to decide if you want KitKat, in which case you should flash the latest one, which is NJ5, or Lolipop, in which case you will have some decisions to make as well.
Thanks, I will definitely read that whole thread once I get a chance.
Isn't there some issue with changing firmware where the software changes how the phone interfaces with the cell and wifi radios and they don't work right after you change version? Don't you have to do something to make sure the ROM and radio software stay in sync? Or isn't that an issue when changing stock ROMs with Odin?
Shouldn't be an issue. The stock firmware includes the corresponding modem, but the modems are interchangeable and can be flashed separately. There is a thread dedicated to modems in the general forum.
I would definitely recommend that you read enough to be comfortable with what you are going to do before you flash. There are several good threads in the general forum that you should familiarize yourself with.
Thanks again. I read 10 pages of the thread you mentioned in your first reply:
http://forum.xda-developers.com/galaxy-s4-att/general/guide-odin-to-stock-updating-rooting-t2926642
Very helpful
Another question- you said to load NB1 firmware on the phone, but also NC1 kernel, apparently, NC1 is required for towelroot to work. Why not just load NC1 firmware- won't the NC1 kernel will come along? Is NB1 firmware specifically needed for some reason?
Or did you mean to keep upgrading from NB1to reach the final desired firmware, say NL1, then flash the NC1 kernel, root with towelroot, then flash the final desired (in my example, NL1) kernel.
Also, the first section in that link says if you want to end up on Lollipop OC3 or OC4, to root using Kingroot, but warns "there is mixed feeling about this application". Can't I root with towelroot instead to avoid Kingroot?
Sorry! As I learn more it brings up new questions.
xdafan15 said:
Thanks again. I read 10 pages of the thread you mentioned in your first reply:
HTML:
http://forum.xda-developers.com/galaxy-s4-att/general/guide-odin-to-stock-updating-rooting-t2926642
Very helpful
Another question- you said to load NB1 firmware on the phone, but also NC1 kernel, apparently, NC1 is required for towelroot to work. Why not just load NC1 firmware- won't the NC1 kernel will come along? Is NB1 firmware specifically needed for some reason?
Or did you mean to keep upgrading from NB1to reach the final desired firmware, say NL1, then flash the NC1 kernel, root with towelroot, then flash the final desired (in my example, NL1) kernel.
Also, the first section in that link says if you want to end up on Lollipop OC3 or OC4, to root using Kingroot, but warns "there is mixed feeling about this application". Can't I root with towelroot instead to avoid Kingroot?
Sorry! As I learn more it brings up new questions.
Click to expand...
Click to collapse
NB1 is the only full stock tar available. There is no full NC1 stock tar, or any other 4.4.2 or above stock tar. No matter which distribution you are on, 4.4.2 4.4.4 or 5.0.1, to go back to stock you have to flash NB1 with Odin.
If you want Lolipop, I would suggest that you root with towelroot, and then use the keep root method to go to OC4.
I'm trying to decide if I should update up to NJ5, OC3, or OC4. Any thoughts about advantages/disadvantages? Should I just update to the latest (OC4) for simplicity?
I don't have an opinion between KitKat and Lolipop.
As far as OC3 or OC4, the OC4 update is just a bug fix update from OC3 that supposedly protects from at least part of the stagefright vulnerability. NJ5 is the same update with respect to JN4.
I'm making more progress on your thread- I'm up to page 20 now and feeling much more comfortable as I see how to deal with (or hopefully avoid) other's problems.
I think I'm almost ready to go, but I know I have one more question- I know that some versions of towelroot need internet access, but when you flash the NC1 kernel onto NB1, you lose wifi. I plan to do this on a phone that will not have data, at least at the beginning. I saw others talk about getting around this and they said they used an earlier version of towelroot that didn't need internet. Do you think that will work for me?
If I get a chance, I'll edit here and list the specific older version.
squatting in this thread because I too have an s4 w/ ni1 bootloader (4.4.2) .. gonna check that thread out too ... (fist bumps @xdafan15 .. me and u are the lone desperados)
got some good help too. check that thread about ALL THINGS ROOT in the general tab.
I found the version of towelroot v3 that doesn't need internet access. It is referenced here in the first post.
File here
@creepyncrawly or anyone else who knows: Is is OK to use this version to root instead of the normal version of towelroot 3 that needs internet access?
xdafan15 said:
I found the version of towelroot v3 that doesn't need internet access. It is referenced here in the first post.
File here creepyncrawly or anyone else who knows: Is is OK to use this version to root instead of the normal version of towelroot 3 that needs internet access?
Click to expand...
Click to collapse
Go ahead at try it. I don't actually have the S4, so I don't know from first hand experience, but it will either work or it won't. I expect it will work.
I got a surprise- I bought a used S4 and when I checked it, found out it has 4.2.2, MDL- one of the rare ones that was never updated and still has the unlocked bootloader! So all of the work I've been doing was somewhat off target.
Now I guess I need to root 4.2.2 and flash a custom rom to get the phone updated. If I update with the stock firmware it'll lock the bootloader permanently.
I found instructions to root on the first post here "[HOW-TO] The ULTIMATE All-In-One Guide - I337M & MDL - MF3 - MK2"
Is that the correct method?
I wonder if I can just load towelroot and root that way?
Can anyone suggest an updated ROM (preferably one that has been patched against stagefright)?
Do I also flash this phone using Odin? And does the firmware always go in the "AP" slot?
Sorry, I'm trying to learn this and I thought I'd be using the locked bootloader method in the 2nd post.
MDL oh don't let that bad boy ever update. You can root and unroot as often as you like.
Can you please help me understand what to do? I have a Samsung Galaxy s4 with AT&T that I switched to Straight Talk. I need to know how to root this phone but this forum is very confusing and outdated. Plz help me!
Hi, @Tmtd78. The S4 is getting pretty old now so this forum is pretty quiet. What version of android does your phone have? Under *Settings*, *About device*, what are the last 3 characters under *Build number*? I think every version of android on this phone can be rooted, but you will have to spend some time here to learn how everything works. Did you read the posts linked earlier by @creepyncrawly? Read the first and last 10 or 20 pages of each thread of interest and you will get the idea. The method you use will depend on the firmware your phone has. If it has the mdl or mdb bootloader, you probably will want to make sure the firmware doesn't update.
By the way, to @creepyncrawly and @engloa, thanks for your help. I was able to learn how to successfully root my S4, load a custom recovery, make backups, load a custom ROM, and make some tweaks to the kernel. Everything is running well now.
It was a long road, but everything was here on XDA and I appreciate your help.
@xdafan15, the build number is NI1. And I will definitely read the posts. I really appreciate you getting back with me so fast. I'm just scared I'm going to mess something up lol.
Sure thing. I'm not an expert, just a beginner, but I have learned a few things along the way. The NI1 bootloader is locked so you will need to follow the instructions for using Odin under the first post shown above by @creepyncrawly (here). Also, read this one. Also, this.
As long as you are 1) careful to not load code incompatible with an AT&T S4 onto your device and 2) follow instructions EXACTLY you should be fine. Be wary of following instructions listed on a forum that is not specific to the AT&T S4. Don't get sloppy and try to do stuff from memory- read and follow the instructions step by step. The good news is as long as you don't cause as few specific types of problems with your storage, I think you'll be able to Odin back to the NB1 firmware and start over.
Learn how to and practice booting your phone into download and recovery modes.
Get Odin running on your computer and see if it will recognize your device. A guide here. I think .tar or .tar.md5 files always go in the *AP* slot if memory serves. You may also see references to an older version of Odin where the *AP* slot was called *PDA*
Hello,
It's been a long time since I've been these to these forums and an even much longer time since I last had to modify any kind of software on a phone. I recently upgraded to an S7 edge on Sprint and would like to know where to find the tools, roms, and files needed to go to the unlocked firmware version for the S7 edge and go back to Sprint's stock firmware if need be.
More importantly, I'd like to know what risks I encounter especially with Samsung's KNOX. Again, it's been a while so please don't flame.
Any information or direction is very much appreciated.
Thanks in advance!
ScottSUmmers said:
Hello,
It's been a long time since I've been these to these forums and an even much longer time since I last had to modify any kind of software on a phone. I recently upgraded to an S7 edge on Sprint and would like to know where to find the tools, roms, and files needed to go to the unlocked firmware version for the S7 edge and go back to Sprint's stock firmware if need be.
More importantly, I'd like to know what risks I encounter especially with Samsung's KNOX. Again, it's been a while so please don't flame.
Any information or direction is very much appreciated.
Thanks in advance!
Click to expand...
Click to collapse
There's not much for roms echoe is pretty nice. It lags pretty hard but theirs a fix http://forum.xda-developers.com/verizon-galaxy-s7/how-to/guide-to-fix-s7-lag-root-s7-variants-t3441715
As far as firmware your somewhat limited as well depending on your current firmware you may only have the latest 935p and 935U to choose from.
P.s you don't have to worry about tripping Knox I've flashed xposed govtuner viper modified Odin tars that failed miserably I'm still 0x0
Thanks for getting back to me vegoja. So as far as flashing the firmware, where can I get the necessary files? I've seen some threads mentioning or linking the ROMs so I think I'm okay there. Also, I think I'm supposed to use a special version of Odin, not sure why. Lastly, where do I get all those other necessary files like the CSC etc.?
Thanks.
Links
ScottSUmmers said:
Hello,
It's been a long time since I've been these to these forums and an even much longer time since I last had to modify any kind of software on a phone. I recently upgraded to an S7 edge on Sprint and would like to know where to find the tools, roms, and files needed to go to the unlocked firmware version for the S7 edge and go back to Sprint's stock firmware if need be.
More importantly, I'd like to know what risks I encounter especially with Samsung's KNOX. Again, it's been a while so please don't flame.
Any information or direction is very much appreciated.
Thanks in advance!
Click to expand...
Click to collapse
Once you flash the U firmware, you can't currently go back to sprint's firmware. Something to do with the upgraded bootloader. But the U firmware is stable and smooth and has good battery performance. You can enable hotspot to without root which is a perk.
Odin: http://d-h.st/gsDA
935U PI3: https://drive.google.com/file/d/0BzXeLw4AsxZHZlM1OTJZYXBOQW8/view
Flash AP, BL, CP and CSC (not Home_CSC).
Credit for the links: colormedroid (http://forum.xda-developers.com/sprint-s7-edge/how-to/root-t3410424) and optimummind (http://forum.xda-developers.com/spr...m-tar-gs7e-unlocked-model-rom-update-t3412265)
nghia0423 said:
Once you flash the U firmware, you can't currently go back to sprint's firmware. Something to do with the upgraded bootloader. But the U firmware is stable and smooth and has good battery performance. You can enable hotspot to without root which is a perk.
Odin: http://d-h.st/gsDA
935U PI3: https://drive.google.com/file/d/0BzXeLw4AsxZHZlM1OTJZYXBOQW8/view
Flash AP, BL, CP and CSC (not Home_CSC).
Credit for the links: colormedroid (http://forum.xda-developers.com/sprint-s7-edge/how-to/root-t3410424) and optimummind (http://forum.xda-developers.com/spr...m-tar-gs7e-unlocked-model-rom-update-t3412265)
Click to expand...
Click to collapse
Actually you can go back to Sprint firmware. It has to be PJ2
Sent from my SM-G935P using XDA-Developers mobile app
Soooperstar said:
Actually you can go back to Sprint firmware.
Last time i checked the download wasnt publicly available yet. I stand corrected you can flash back to sprint firmware. Thanks man for correcting me!
Click to expand...
Click to collapse
Hi nghia0423 and Soooperstar,
Thanks for getting back to me. So to make sure I have this correct...I can flash a 935U firmware on my phone and go back to Sprint stock firmware, but it has to be PJ2.
If this is the case, then I have a few additional questions if you don't mind. First, do the AP, BL, CSC, and CP files differ between firmware versions? If so, where do I get those files for each version?
Second, if I go back to Sprint stock firmware PJ2 (which I assume is located here: http://forum.xda-developers.com/spr...rmware-g935p-pe1-official-sprint-6-0-t3414654), will I then be able to follow the standard firmware upgrade path by allowing system updates and going through the standard update process?
Lastly, is there some risk I'm missing or haven't addressed? If I go to unlocked firmware I want to make sure I can always go back to the current Sprint stock firmware.
Thank you again for all the help and information!
ScottSUmmers said:
Hi nghia0423 and Soooperstar,
Thanks for getting back to me. So to make sure I have this correct...I can flash a 935U firmware on my phone and go back to Sprint stock firmware, but it has to be PJ2.
If this is the case, then I have a few additional questions if you don't mind. First, do the AP, BL, CSC, and CP files differ between firmware versions? If so, where do I get those files for each version?
Second, if I go back to Sprint stock firmware PJ2 (which I assume is located here: http://forum.xda-developers.com/spr...rmware-g935p-pe1-official-sprint-6-0-t3414654), will I then be able to follow the standard firmware upgrade path by allowing system updates and going through the standard update process?
Lastly, is there some risk I'm missing or haven't addressed? If I go to unlocked firmware I want to make sure I can always go back to the current Sprint stock firmware.
Thank you again for all the help and information!
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Both pathways - 935P firmware & 935U firmware - offer updates via OTA. They're both official Samsung pathways. As of right now, the 935P pathway offers more frequent updates (monthly) opposed to 935U's mostly every other month update cycle.
The most current firmwares on the 935P & 935U pathways are on the same bootloader version. Therefore, one can flash back and forth with no issues. I recently came to PJ2 935P from PI3 935U so I could download the Nougat beta.
The benefit of the 935U firmware is the lack of bloatware which leads to higher performance, smoother UI, better battery life, and easy to add Hotspot functionality.
Sent from my SM-G935P using Tapatalk
Hi optimummind,
Thanks for letting me know that I can flash back and forth between Sprint's firmware and the official unlocked firmware. I did have additional questions. Are teh AP, BL, CSC, and CP files different for each firmware version? Where do I get them?
Thanks!