Unroot my gs4 - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

If I unroot my sprint gs4 and flash stock mdc firmware will I be able to update to mf9 through an ota update. Ive searched high and low for the stock mf9 download files to no avail. Thanks id like to get this unrooted and returned to stock asap.
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jmlape said:
If I unroot my sprint gs4 and flash stock mdc firmware will I be able to update to mf9 through an ota update. Ive searched high and low for the stock mf9 download files to no avail. Thanks id like to get this unrooted and returned to stock asap.
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Somebody has it in a softbrick thread all you have to do is use Odin and load tar file in PDA and start. Sorry don't know which exactly try googling it saw it while looking for faulty battery stuff

You haven't search much if you haven't found it.
http://forum.xda-developers.com/showthread.php?t=2485502
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jmlape said:
If I unroot my sprint gs4 and flash stock mdc firmware will I be able to update to mf9 through an ota update. Ive searched high and low for the stock mf9 download files to no avail. Thanks id like to get this unrooted and returned to stock asap.
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Just look for a thread called " mf9 tar is up" will get you mf9 stock unrooted

http://samsung-updates.com/device/?id=SPH-L720
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Related

Question about the last OTA

I was wondering if a new method to install the last OTA was out. I didnt feel comfortable doing the methods I saw before. Like doing a backup then going stock then reinstalling root. Im hoping there is a apk file and only needing to install that and be done. I looked and couldnt find anything but that is probably my fault. Lol
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byebyev8 said:
I was wondering if a new method to install the last OTA was out. I didnt feel comfortable doing the methods I saw before. Like doing a backup then going stock then reinstalling root. Im hoping there is a apk file and only needing to install that and be done. I looked and couldnt find anything but that is probably my fault. Lol
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Easiest way is to download the firmware from here http://forum.xda-developers.com/showthread.php?p=43418277 then download the app mobile odin from the play store. Then use the app to flash the tar file and then you are on the mf9 baseband and firmware. Then flash the mf9 rom and you have the entire OTA update.
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Seriously? If you are rooted. Just flash mf9 stock rooted ROM.
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Like windows, the best way is to do a full install and not an upgrade. Use PC Odin to flash the official full mf9 md5 tar. Reroot it. PC Odin seems to do a more thorough job than mobile Odin pro app. IMO, back up everything then do a full flash. The file is like 2.2gb. Yes that patch upgrade might work but you will have better performance and less problems if you do a full install tar.md5. I haven't messed with the full zip cwm flash, so I can't vouch for it. I have done what I explained and noticed better performance than just taking the update file. Yes it's more work but I, and a few other people, agree it's worth the extra time spent. Titanium backup can help speed things up, but doing the full job is better IMO.
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daniel4653 said:
Seriously? If you are rooted. Just flash mf9 stock rooted ROM.
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Flashing the rom does not give you the modem/firmware.
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wotandsdwys said:
Flashing the rom does not give you the modem/firmware.
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Bet he was referring to this method or similar: http://forum.xda-developers.com/showthread.php?t=2357471
Which IMO the steps listed by crawrj in post #2 is still the easiest/fastest way to get to stock rooted MF9. But to each his own.
Yeah, I was ready on the mf9 rom, so just downloaded the firmware tar and used mobile odin for that. Haven't noticed any performance issues or anything, although I have nothing to compare it to other than different roms.
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Ok. Here is what I have done and where I am at. First off I consider myself a noob. I am rooted with odex. I used the method from qbking77. My build was mdl on both lines under about phone. No issues there at all.
So last night I downloaded the MF9 zip file. Not the ones from craw. I used oden. I had to update the one file in note pad. I then put the MF9 file in the pda field on odin and installed. It installed and said passed. Now under about phone the build says MF9 and the other is mdl. No biggie there. Now the new rom is not taking. Im getting the stupid knox message and will delete that. My wifi is not working. I did read that a guy flashes the new rom and kernel and everything was fine. I go into twrp to flash the rom but cannot find it. I am assuming it starts off with mf9 in file name. This is where I need help and that help dumbed down for me. I just want the app to sd and the camera update.
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To get WiFi to work you just need to.flash a new kernel. Go with agat or ktoonz. You need to be on MF9 based ROM to have the apps to SD and the camera update.
To update your baseband you need to flash the update modem zip. I'll try to get you a link.
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The mf9 does show but it isnt what is running. It did load once last night but everything of mine was gone and I kinda freaked out and reloaded a backup.
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byebyev8 said:
The mf9 does show but it isnt what is running. It did load once last night but everything of mine was gone and I kinda freaked out and reloaded a backup.
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I'm not entirely sure what you're asking here.
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I've had bad luck with every custom kernel. Some, after flashing, the phone heats up and won't cool down. All of them seem to make my keyboard flip out.
For using Mobile Odin pro, it finished the flash much faster than PC Odin, so I wonder if it did everything properly. With my previous phone, e4gt, it wouldn't flash modems. I don't know if it works or not with this phone. I haven't tested. Tested meaning purposely flash a md5 with a different baseband to see if it actually changed it.
Let me see if I can say this better cause I am a noob. I am running odex rooted. Basically stock. I want MF9. I installed MF9 and it shows that under about device. Now when the phone boots it is still running 4.2. 4.3 is not running. When i finally got 4.3 to run all my apps and everything was gone. I freak out and installed a backup so now im back to 4.2. Now on 4.2 and 4.3 my wifi is not working. So what I need help with is getting 4.3 to run and my wifi to work.
byebyev8 said:
Let me see if I can say this better cause I am a noob. I am running odex rooted. Basically stock. I want MF9. I installed MF9 and it shows that under about device. Now when the phone boots it is still running 4.2. 4.3 is not running. When i finally got 4.3 to run all my apps and everything was gone. I freak out and installed a backup so now im back to 4.2. Now on 4.2 and 4.3 my wifi is not working. So what I need help with is getting 4.3 to run and my wifi to work.
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What the heck are you talking about? 4.2.2 is the only software available for the Sprint S4. The MF9 update does not update your android version to 4.3. It is just a service update to touch wiz to improve performance and add some features. 4.3 android is a work in progress on our phones and not 100% functioning.
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cruise350 said:
What the heck are you talking about? 4.2.2 is the only software available for the Sprint S4. The MF9 update does not update your android version to 4.3. It is just a service update to touch wiz to improve performance and add some features. 4.3 android is a work in progress on our phones and not 100% functioning.
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What he said. What specific rom are you trying to install? If it's Touchwiz, it'll only be 4.2.2. Which recovery are you using?
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I was only trying to uae that as a exaample but didnt say so. I know there is no 4.3. I should have added that. My fault
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I used qbking77 root method. I only used odex and twrp. I havent installed any other roms. Under device info its MF9 and MDL. Sorry I confused this issue with my noobness.
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continued
http://forum.xda-developers.com/showthread.php?p=43418277
This is the method I used to install MF9. I really need some help!
Use this, not the one you posted. That'll confuse you if you're new. http://forum.xda-developers.com/showthread.php?t=2375523
Official MF9 tar is up~!
Use this to root. http://forum.xda-developers.com/showthread.php?t=2291827
[SPH-L720] CF-Auto-Root
Sorry, I'm doing all this copy paste on the phone.

Wanting stock back

I'm running a custom rom 4.3 MJA an wanting to get back to stock unrooted an bin. cleaned an stock recovery. I have the tar. Files but now that I'm on MJA 4.3 Odin won't work can someone help or please make a zip. That will work lol. Thanks
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sdsdqbam said:
I'm running a custom rom 4.3 MJA an wanting to get back to stock unrooted an bin. cleaned an stock recovery. I have the tar. Files but now that I'm on MJA 4.3 Odin won't work can someone help or please make a zip. That will work lol. Thanks
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Would you mind mirroring that stock Odin file of MJA for me?!

[Q] Where is the 4.3 update?

Hello guys, I am on mf3 rooted and i want to go on 4.3, where can i update to 4.3?
My s4 was rooted on mf3 and it ota updated (accidentally) to mk2. I'm on att.
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B.S. update wont work on rooted phones..unroot it and get the update like I did..believe me I tried many times...oh I had to get mf3 Tar files to reflash stock rim from odinthen and only yhen it can be done
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r1tesh said:
B.S. update wont work on rooted phones..unroot it and get the update like I did..believe me I tried many times...oh I had to get mf3 Tar files to reflash stock rim from odinthen and only yhen it can be done
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I used the MF3 Odin files to Flash back to stock MF3 and re rooted to use Supersu survival mode and I took the OTA Update .safest way to root MK2. It can in fact be done
ROOTED ATT MK2 using Tapatalk

can i go back to 4.2.2 from 4.3?

hey guys... im on 4.3 MK2 rooted, can i install a 4.2.2 rom stock or custom ?? with 4.2.2 modem and bootloader.
thanks.
If you updated by keeping the MF9 bootloader you can go back to stock. If you took the OTA however, you can only downgrade to 4.2 with a custom ROM.
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rodmc123 said:
hey guys... im on 4.3 MK2 rooted, can i install a 4.2.2 rom stock or custom ?? with 4.2.2 modem and bootloader.
thanks.
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i tried eveything so i can downgrade and how he said is the only way. i been trying everything but no luck. i hope your not trying to return your phone because if u have it rooted and have "kernel not seandroid enforcing " then wait until some dev can fix that
frostedunit said:
If you updated by keeping the MF9 bootloader you can go back to stock. If you took the OTA however, you can only downgrade to 4.2 with a custom ROM.
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but i can downgrade to 4.2 (100% 4.2) using a custom rom?? or i will be on 4.2 but with the same new bootloader?
what custom rom would work in my case? if you can give me a link to one.. there are so many here.
If you're on the MJA or MK2 bootloader, you're stuck with it.
And why would you want to go back to 4.2? Any ROM would work, but seems kind of pointless.
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frostedunit said:
If you're on the MJA or MK2 bootloader, you're stuck with it.
And why would you want to go back to 4.2? Any ROM would work, but seems kind of pointless.
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Sim unlock bro.
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imbmiller said:
Sim unlock bro.
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I believe you just need to downgrade the modem. Not sure tho.
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ROMANTiC KiD said:
I believe you just need to downgrade the modem. Not sure tho.
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i downgraded the modem to mdc and did the unlock process. it worked, i can make and receive calls but when the phone is going to 3g i get a error message "LTE esm 29 emm-x cannot establish wireless data connection" nobody else had that issue.. i dont know if hte fact that my phone is not activated on spring is relevant.. it shouldn't be, because im using the phone outside the US.
i dont know what to do to make this thing work.. i have flashed from mdc to mk2 or mja like 5 times and i always get the same message.

Can't set up lock screen

How do I fix this dis happened after i updates to kitkat
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anybody know how to fix i really need to put a screen lock on
Have you checked Device Administrators in Security to see if anything is there that shouldn't be?
Dose it look normal
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Are you rooted?
If so, what rom are you running?
This is the exact issue the UnKnownforce is trying to fix in his thread.
Go HERE and search the thread for lockscreen. You'll find many posts concerning this issue. There is no 100% fix yet. Works fine for some and not for others.
fgr said:
Are you rooted?
If so, what rom are you running?
This is the exact issue the UnKnownforce is trying to fix in his thread.
Go HERE and search the thread for lockscreen. You'll find many posts concerning this issue. There is no 100% fix yet. Works fine for some and not for others.
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That's what I'm guessing he did. Someone said that if you flash with cwm not Philz or Twrp that it works.
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I'm running just stock I took the Ota then rooted and flash the nae modem
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danzelcool said:
I'm running just stock I took the Ota then rooted and flash the nae modem
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Well that makes absolutely no sense. You took the OTA then rooted and flashed the NAE modem??? If you took the OTA why would you have to flash the NAE modem. Something is fishy here. Are you on the NAE upgrade or are you a piece meal install with mismatched bootloader, modem, and software. If you are on stock NAE then the lock screen should work as mine works with all options. If you are on a custom rom, that is where the problem is. Post a screenshot of your about phone info page or list the specifics of what you have so we can further help you.
Yea i took the Ota everything was nae but my baseband then I flashed the nea modem is
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danzelcool said:
Yea i took the Ota everything was nae but my baseband then I flashed the nea modem is
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You might be screwed until the stock tar comes out. If your baseband hadn't changed with the ota, then the update didn't complete. You may still be on the mk2 bootloader. There is suppose to be an app that can tell you what bootloader your on, but I don't know what it is called. You can try to Odin the mk2 tar file. If it completes your golden and then can redo the update. If it fails then you have the NAE bootloader. you can try installing a custom kernel to get wifi back, or see if you can find a copy of the stock NAE kernel.
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