so i rooted my phone last night and after trying a few roms that didnt end up working (and yes i was using the right ones from the sprint s4 spot on this site) i wanted to just restore my backup. after doing that i have had nothing but issues. now i have no sound and my phone is having issues connecting to the sprint network. i would really appreciate if someone could tell me how to get my phone back to stock and unrooted so i can take it in to get looked at
We really need some more info to help you, but I am going to assume that you were on 4.3 and restored a 4.2 backup. That would explain the sound issues.
Try going here and Odining the 4.3 tar to see if that fixes things http://forum.xda-developers.com/showthread.php?p=47359331
Sent from my SPH-L720 using Tapatalk
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I have a galaxy s4 on sprint (SPH-L720). So about a week ago i reset the cache and data under Google services framework to get the update from Samsung. Well after quickly realizing how much i didnt enjoy 4.3 i wanted 4.2.2 back and began to look into flashing the old firmware back onto my phone. unfortunately i was stuck in the download mode or odin mode for a long time and after following many peoples different instructions on how to do it and not getting the proper results, i became frustrated. eventually in a desperate attempt to have a functional phone i tried rooting it, which got me out of odin mode. However, since i restarted the phone, i cannot turn on the wifi nor is there any sound. these were new problems among the same old problems that i had with 4.3 in the beginning which includes the video playback (which is non-existent). All i want to do is have my phone working like it did when i bought it with the android version of 4.2.2 with all the working features. any ideas?
I was going out of my mind too last night trying to go back to 4.2 but had no WiFi so I got fed up and just did the cyanogenmod installer video that qbking77 posted last week on YouTube which roots and installs cm10.2 all on its own at least it got me a fully functional phone for now until I get back home from work and try restoring again. Just thought I'd share a temp solution
Sent from my SPH-L720 using xda app-developers app
If you accepted the ota too go to 4.3 I believe the issue you are experiencing is due to the Knox bootloader. Unfortunately I do not think there is any way to downgrade with Knox bootloader (for now). I'd try reflashing a fresh 4.3 rom and see if that fixes your issues.
Sent from my SPH-L720 using xda app-developers app
Well I manged to restore stock 4.3 without a problem I guess it is that Knox deal
Sent from my SPH-L720 using xda app-developers app
FanOfSkynyrd said:
If you accepted the ota too go to 4.3 I believe the issue you are experiencing is due to the Knox bootloader. Unfortunately I do not think there is any way to downgrade with Knox bootloader (for now). I'd try reflashing a fresh 4.3 rom and see if that fixes your issues.
Sent from my SPH-L720 using xda app-developers app
Click to expand...
Click to collapse
I reflashed with 4.3 and not only do i have wifi and sound back, but also i finally have video playback. it could be a more updated version of jellybean, either way, you, sir, are my hero. :highfive:
Hey guys you arent alone. There's hundreds of us....lol, try to make the best of it. Sac23 has a great rom. Check it out. There are also some other 4.3 based roms with great dev support available. It should help buy time till the devs can find a work around for the knox bootloader.
I feel like I am either about to really break my phone or fix it with this next flash, some guidance would be amazing!
Started off months ago with Sprint L720 MF9 out of the box and rooted it. Eventually I got around to loading Sacs 4.3 back in January and had no troubles. After getting the OTA update notifications again, I decided it was time to flash a 4.4 ROM and I followed this thread.
Got the NAE modem loaded, flashed philz 6.08.9, and loaded the stock MK2 ROM listed in the instructions. The phone booted and I went through the initial setup without any issues. Baseband and software both say NAE, but then I noticed I have no sound at all. The phone powers off automatically after a while as well. Loading anything from the Play store takes forever, however, the stock web browser runs just fine.
Should I be concerned about no audio or will this be resolved with going to the 4.4 ROM listed in the guide (no data wipe)? I kind of want to flash a rooted stock MF9 ROM and start over...
Any help would be appreciated.
Edit: Flashed to 4.4.2 and SSDD. I finally got sound back though by flashing the MK2 modem, just need wifi working now.
Reckoned said:
I feel like I am either about to really break my phone or fix it with this next flash, some guidance would be amazing!
Started off months ago with Sprint L720 MF9 out of the box and rooted it. Eventually I got around to loading Sacs 4.3 back in January and had no troubles. After getting the OTA update notifications again, I decided it was time to flash a 4.4 ROM and I followed this thread.
Got the NAE modem loaded, flashed philz 6.08.9, and loaded the stock MK2 ROM listed in the instructions. The phone booted and I went through the initial setup without any issues. Baseband and software both say NAE, but then I noticed I have no sound at all. The phone powers off automatically after a while as well. Loading anything from the Play store takes forever, however, the stock web browser runs just fine.
Should I be concerned about no audio or will this be resolved with going to the 4.4 ROM listed in the guide (no data wipe)? I kind of want to flash a rooted stock MF9 ROM and start over...
Any help would be appreciated.
Edit: Flashed to 4.4.2 and SSDD. I finally got sound back though by flashing the MK2 modem, just need wifi working now.
Click to expand...
Click to collapse
Usually your sound issue can be resolved by flashing another ROM.
As far as WiFi goes I just had this problem myself. If your bootloaders NAE and your modem is MK2 , try flashing the NAE modem back. That's what fixed it for me.
I'll not up to speed on all the quirks of the sprint s4 since I'm usually using a Verizon s4 . but it seems to me that if you have a NAE bootloader, it isn't cooperating with downgrading the modem either. Never was a problem for me when my phone was on MK2 build , but with each OTA the security gets upgraded too. Almost doesn't make sense to me though as Sprints bootloaders are unlocked.
Maybe someone else can shed some light on this.
Try NAE modem and see what happens,... bet your WiFi will be back like mine was.
Sent from my SCH-I545 using Tapatalk
Mistertac said:
Usually your sound issue can be resolved by flashing another ROM.
As far as WiFi goes I just had this problem myself. If your bootloaders NAE and your modem is MK2 , try flashing the NAE modem back. That's what fixed it for me.
I'll not up to speed on all the quirks of the sprint s4 since I'm usually using a Verizon s4 . but it seems to me that if you have a NAE bootloader, it isn't cooperating with downgrading the modem either. Never was a problem for me when my phone was on MK2 build , but with each OTA the security gets upgraded too. Almost doesn't make sense to me though as Sprints bootloaders are unlocked.
Maybe someone else can shed some light on this.
Try NAE modem and see what happens,... bet your WiFi will be back like mine was.
Sent from my SCH-I545 using Tapatalk
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Click to collapse
Yeah, I'm actually still on MF9 bootloader. I did end up flashing back NAE modem last night and battery pulled after. All is working now! Thanks.
My AT&T S4's wifi connection has become basically useless. Both at home and at work it frequently drops out and says the connection is unstable. At home, this happens when I'm in the same room as the router. These symptoms started happening after the OTA updates, but seem to have gotten continually worse. I've tried the usual settings changes to no avail.
Is there any reason to believe that putting a custom rom on my S4 will solve the wifi stability issue? If so, I'd happily give it a shot before I completely give up and get a new phone. And, I've had the hardest time trying to figure which guide to use to install a custom rom. I have a US AT&T SGH i337 that is running 4.4.2, and the Baseband version is I337UCUFNC1, Kernal version 3.4.0-1125940. I rooted my s4 using towelroot.
Thanks for the help, hoping I can fix my S4 and keep it...
If it were me I'd flash the nb1 tar file and see if I had the same Wi-Fi issue. You might have a hardware issue. If everything worked then I'd take the ota to nc1. If you have a problem now it's probably the modem image.
Use the rootable nb1 tar file, it's rootable with towelroot.
Flashing the tar in Odin will wipe your device so make sure you backup first.
Sent from my Nexus 5 using XDA Free mobile app
Thanks for the help. I'll see if I can figure out how to do that
Do you track your Cayman? I'm down in Texas and track a miata...
Mooniegt said:
Thanks for the help. I'll see if I can figure out how to do that
Do you track your Cayman? I'm down in Texas and track a miata...
Click to expand...
Click to collapse
You noticed. Yes I do the pic is at road America
Sent from my Nexus 5 using XDA Free mobile app
So I have been running an OLD version of SACS Custom Rom on my Sprint S4 (Think MF9 / MDL time frame).
I was working great for me, so I never updated past this to anything newer.
Fast forward and I just got myself a Note 4. So now I want to return my S4 back to stock and let it update and possibly give it to my daughter.
Anyway, after talking to a few people, it was decided since I never had a newer modem / software on my S4, it would work if I just flashed a Stock MF9 TAR to my phone (via Oden). Once it came back, I could search for new updates / software and let it auto update to the latest software.
I flashed MF9 Stock last night and now my phone is stuck at the Yellow Sprint Screen.
Any ideas how to get this back to stock? What do I need to flash? Like I said, it never went past the old version of SACS, never got Knox, none of that.
Thanks!
AzWizzard said:
So I have been running an OLD version of SACS Custom Rom on my Sprint S4 (Think MF9 / MDL time frame).
I was working great for me, so I never updated past this to anything newer.
Fast forward and I just got myself a Note 4. So now I want to return my S4 back to stock and let it update and possibly give it to my daughter.
Anyway, after talking to a few people, it was decided since I never had a newer modem / software on my S4, it would work if I just flashed a Stock MF9 TAR to my phone (via Oden). Once it came back, I could search for new updates / software and let it auto update to the latest software.
I flashed MF9 Stock last night and now my phone is stuck at the Yellow Sprint Screen.
Any ideas how to get this back to stock? What do I need to flash? Like I said, it never went past the old version of SACS, never got Knox, none of that.
Thanks!
Click to expand...
Click to collapse
Did you try a factory reset from stock recovery after you Odin back mf9?
AzWizzard said:
So I have been running an OLD version of SACS Custom Rom on my Sprint S4 (Think MF9 / MDL time frame).
I was working great for me, so I never updated past this to anything newer.
Fast forward and I just got myself a Note 4. So now I want to return my S4 back to stock and let it update and possibly give it to my daughter.
Anyway, after talking to a few people, it was decided since I never had a newer modem / software on my S4, it would work if I just flashed a Stock MF9 TAR to my phone (via Oden). Once it came back, I could search for new updates / software and let it auto update to the latest software.
I flashed MF9 Stock last night and now my phone is stuck at the Yellow Sprint Screen.
Any ideas how to get this back to stock? What do I need to flash? Like I said, it never went past the old version of SACS, never got Knox, none of that.
Thanks!
Click to expand...
Click to collapse
when i soft-bricked my galaxy s4 (sprint) I just re-rooted the phone using Odin & cf-autoroot...if you wanna update to the latest version for the s4 download the NG5 tar file & flash it through Odin & you should be ok...as far as getting back unrooted factory condition I'm not sure if there's a factory image available yet...not saying there isn't but I haven't seen one
ROMANTiC KiD said:
Did you try a factory reset from stock recovery after you Odin back mf9?
Click to expand...
Click to collapse
Thanks! That worked and got it to boot. It's updating now too!
I got my wife a S4 I337 today to finally get her away from her dinosaur s3 just to discover issues...The phone works fine but the WIFI and BLUETOOTH will not turn on.
I have tried the following as many have mentioned but to no prevail...
1. Remove battery trick while on or off
2. Hard reset about 7 times and still no change
3. Down loaded WIFI manager but still wont turn on...
Here is the Version and info it currently has PLEASE HELP!!
JDMJAY said:
I got my wife a S4 I337 today to finally get her away from her dinosaur s3 just to discover issues...The phone works fine but the WIFI and BLUETOOTH will not turn on.
I have tried the following as many have mentioned but to no prevail...
1. Remove battery trick while on or off
2. Hard reset about 7 times and still no change
3. Down loaded WIFI manager but still wont turn on...
Here is the Version and info it currently has PLEASE HELP!!
Click to expand...
Click to collapse
Reflash the NB1 tar file in ODIN and see if it works then. You can find it in the general section, either search for the thread or find it in the [INDEX] thread.
Sent from my SGH-I337 using XDA Free mobile app
Search for wifi fix or non hlos for ur model. It worked for some
Sent from my GT-I9500 using XDA Free mobile app
DeadlySin9 said:
Reflash the NB1 tar file in ODIN and see if it works then. You can find it in the general section, either search for the thread or find it in the [INDEX] thread.
Sent from my SGH-I337 using XDA Free mobile app
Click to expand...
Click to collapse
started working for 5 hours then returned same issue...
I used Odin to root it using Nc1 Then finished with J4 ...
im guessing this must be a problem many are facing. a friend of mine gave me a an S4 logic board i337m variant and it has the same issue i have tried everything from flashing new roms flashing stock frimwares tried different kernels modems nothing seems to work. i second this post to see if we can find a solution. my phone is a I337m and have flashed GOLDENEYE to get the lollipop experience a month before the official Lollipop came out for the canadien variants and i have not had any problems i was wondering if i made a backup with trwp and see if this might fix this problems and if it does i can upload my exact backup to help other. but i was wondering if a dev can help me out and see if this could be a possible solution.
In the same boat aswell
I gave my phone to someone to update it to lollipop GPE about 2 months ago.... wifi would work but my data connection would cut out the minute the screen shut off.... after contemplating going back to the guy.... i downgraded to hyperdrive kitkat rom witch gave me better connectivity but no wifi... I ve been living with that for up until now until I decided enough is enough and flashed the stock lollipop rom yesterday. still no wifi. whats even more frustrating is I cant find the file path thats being mentioned so commonly as the solution.... and yes I am rooted. Also wifi was working no problem before I updated..
jimi hendricks said:
I gave my phone to someone to update it to lollipop GPE about 2 months ago.... wifi would work but my data connection would cut out the minute the screen shut off.... after contemplating going back to the guy.... i downgraded to hyperdrive kitkat rom witch gave me better connectivity but no wifi... I ve been living with that for up until now until I decided enough is enough and flashed the stock lollipop rom yesterday. still no wifi. whats even more frustrating is I cant find the file path thats being mentioned so commonly as the solution.... and yes I am rooted. Also wifi was working no problem before I updated..
Click to expand...
Click to collapse
Well last night I went from 4.4.4 back to 4.4.2 to see if thus would solve the wifi and blue tooth head ache. It all started working just fine and did all the way up till tonight then back to not working. I then resulted to cleaning the Wifi prongs on the phone and it worked again for few hours. Now the weird thing happens I put it back into the phone case and just from snapping it in it stop working AGAIN. I restarted the phone once taken out of the case and it was working so I think I'm at a conclusion it's a mechanical issue not software. Maybe the wifi circuit us faulty
I've had lots if Galaxy and worked on a few friends but this wifi and blue tooth crap us unbearable.
My Bluetooth is fine. My wifi broke after downgrading to kit kat so I know it works It just seems the wifi files are corrupted or missing. I'm sure it's simple I'm just not savvy enough to implement it