How to downgrade from OC4 to OC3? - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Alright, so basically, my phone automatically updated to OC4 and I can't root OC4. Is it possible to downgrade OC4 to OC3 by flashing the OC3 update in Odin? Thanks in advance for your help.

Have you tried Desktop version of KingRoot. Worked for me. Look for thread in S4 general section.
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Taking MJE Update when on Rooted MJ7

So I have a question: as the title states, I'm currently running stock but rooted MJ7 and would like to update to the newest update. Do I have to Odin back to 100% stock MJ7 and then take the update to MJE or can I just enable root survival in SU and take the OTA as is? Thanks in advance!
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Xerrus said:
So I have a question: as the title states, I'm currently running stock but rooted MJ7 and would like to update to the newest update. Do I have to Odin back to 100% stock MJ7 and then take the update to MJE or can I just enable root survival in SU and take the OTA as is? Thanks in advance!
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You can try survival mode. If it doesn't work you can odin the MJE update and then re-root with Kingo.
njfoses said:
You can try survival mode. If it doesn't work you can odin the MJE update and then re-root with Kingo.
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Quick question, I haven't updated to MJE because I don't feel like having to re set up my phone. Is Odin back to stock rom then updating to MJE going to cause me to lose all my data again? I know using kingo won't.
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Xerrus said:
So I have a question: as the title states, I'm currently running stock but rooted MJ7 and would like to update to the newest update. Do I have to Odin back to 100% stock MJ7 and then take the update to MJE or can I just enable root survival in SU and take the OTA as is? Thanks in advance!
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What you want to do first is find the MJE Odin flashable STOCK build over in the VZW development section. Flash that which will bring you to current MJE non rooted.
Then google Kingo root to root rather than Root de la Vega(obsolete now for MJE)
iEnjoyDriods said:
Quick question, I haven't updated to MJE because I don't feel like having to re set up my phone. Is Odin back to stock rom then updating to MJE going to cause me to lose all my data again? I know using kingo won't.
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You only have to flash the MJE and not any other ones first, just straight MJE flash. But yeah it will wipe everything including your internal SD card, so be sure to back that up first

[Q] unleaked 4.3 root or update? MJ6

Hi,
My S4 got bricked a while back and at that time the 4.3 leak was the only thing available to revive my phone.
I'm on 4.3 MJ6 firmware. I was wondering if there was a way to root that or update to a different version and root that instead.
Trying to get safestrap back on my phone as well, missing it from MF3 :crying:
Thanks in advance! :good:
pandaturtle64 said:
Hi,
My S4 got bricked a while back and at that time the 4.3 leak was the only thing available to revive my phone.
I'm on 4.3 MJ6 firmware. I was wondering if there was a way to root that or update to a different version and root that instead.
Trying to get safestrap back on my phone as well, missing it from MF3 :crying:
Thanks in advance! :good:
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2526964
Guide to get mj6 to mj9 and do the same from mj9 to mk2 only safestrap will work with mk2
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[email protected] said:
http://forum.xda-developers.com/showthread.php?t=2526964
Guide to get mj6 to mj9 and do the same from mj9 to mk2 only safestrap will work with mk2
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That was the method I was going to use but the link to the files for odin are not there.
pandaturtle64 said:
That was the method I was going to use but the link to the files for odin are not there.
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either go with Heimdall or do this: http://forum.xda-developers.com/showpost.php?p=47586777&postcount=135
This will wipe data if the other method doesn't, i don't know though.

Stuck in Odin

I am running stock AT&T 4.2.2 MF3 rooted with Motochopper, I believe.
An OTA downloaded on my device today, NC1 I guess? I knew I couldn't install it because either it would fail after detecting root, or I would potentially brick.
I wanted to update to stock NB1 or NC1 (maintaining or re-establishing root afterward).
The MF3 update threads I have found seem outdated.
Please let me know what the safest way to flash the latest stock that is rootable.
Thanks in advance.
//
http://forum.xda-developers.com/showthread.php?t=2730144
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jmjoyas said:
http://forum.xda-developers.com/showthread.php?t=2730144
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thank you, I didn't know that would work from MF3.
sixftsix said:
thank you, I didn't know that would work from MF3.
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Hello, Sixftsix, I am in the same boat as you. MF3 rooted wanting to upgrade to NC1. Did it successfully work for you? The files say NB1 to NC1 not MF3 to NC1 so I was just wondering if it worked. Also what version of Safestrap did you use?
Thank you very much!
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check out the ODIN to stock section in post 1...
http://forum.xda-developers.com/showthread.php?t=2616221
Austie1337 said:
Hello, Sixftsix, I am in the same boat as you. MF3 rooted wanting to upgrade to NC1. Did it successfully work for you? The files say NB1 to NC1 not MF3 to NC1 so I was just wondering if it worked. Also what version of Safestrap did you use?
Thank you very much!
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I haven't upgraded yet, I'm still confused on what is the proper/safest method.
I am not sure if we have to go from MF3 > MK2 > NB1 > NC1... or if we can go directly to NB1 with this: "NB1 STOCK -- Get to NB1 Stock from NB1 or earlier... I337UCUFNB1 4.4 Stock Odin Tar & System Dump", then use the NB1 to NC1 method.
Let me know if you attempt anything and the results, I will do the same. I did lot of reading with no clear answers.
If anyone can confirm the best method, I would appreciate your help!
sixftsix said:
I haven't upgraded yet, I'm still confused on what is the proper/safest method.
I am not sure if we have to go from MF3 > MK2 > NB1 > NC1... or if we can go directly to NB1 with this: "NB1 STOCK -- Get to NB1 Stock from NB1 or earlier... I337UCUFNB1 4.4 Stock Odin Tar & System Dump", then use the NB1 to NC1 method.
Let me know if you attempt anything and the results, I will do the same. I did lot of reading with no clear answers.
If anyone can confirm the best method, I would appreciate your help!
Click to expand...
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Apparently you need to upgrade to MK2, root, then do MK2 to NB1, and then NB1 to NC1. Its a process. I think I'll just stick with 4.2.2 until a root method is available for KitKat then I'll just upgrade to KitKat instead of flashing because I always have bad luck when it comes to soft modding...
Good luck.
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If you want NB1, you can flash straight to it with the ODIN package. If you want root, you can flash to either MK2 or NB1 but going to NB1 adds in the downgrade steps.
Sent from my SGH-I337 running Blackbox 3.0
DeadlySin9 said:
If you want NB1, you can flash straight to it with the ODIN package. If you want root, you can flash to either MK2 or NB1 but going to NB1 adds in the downgrade steps.
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Thank you! One question. I use Linux so I wouldn't be using ODIN I would be flashing with Heimdall. Same thing right?
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Austie1337 said:
Thank you! One question. I use Linux so I wouldn't be using ODIN I would be flashing with Heimdall. Same thing right?
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Slightly different. You'll have to extract the partitions to flash from the ODIN file since it doesn't work with ODIN packages directly. Alternatively, you could try JODIN3.

Rooting s4 att on lollipop

Only have experience rooting lg phones. Any help is appreciated
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There is no root method if your phone is already on lollipop. However, you can flash back to nb1, root with towel root, and then flash the keep-root method to oc3. See the guide Odin to Stock, Updating, Rooting, and Installing Safestrap by guut13 and the guide Update to I337_OC3 - 5.0.1 and KeepRoot by muniz-ri, in the general forum.

S4 Not update

Hey. I Have S4 I337 At&t . And I Have Problem That Im Not Able To Update My Cell To Kitkat NEither Lollipop I Have 4.3 Jb Whenever i Update It says That Its Interupted Plz Try Again 24 Hours
I hve Been Trying This Been Many Times... Plz solve the Solution
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Try a coustmrom
How To Install I Have Running 4.3 Jb On it
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Nomansuny said:
How To Install I Have Running 4.3 Jb On it
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See the following:
[INDEX] All things AT&T [MK2 NB1 NC1 NI1 NJ4 NJ5 OC3 OC4] and ROM List
[How-To] I installed a custom Lollipop ROM on my AT&T Galaxy S4 and it was easy!
[How-To] Update to I337_OC4 - 5.0.1 and KeepRoot

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