Database Users

[Q] Samsung Galaxy S4 L720 shows Unknown Baseband, IMEI, Software Version and MEID

Hello,
I have a sprint Samsung galaxy s4 L720, unrooted on stock 4.3 baseband version L720VPUAMDC, the problem is that now it shows baseband, software version and IMEI as unknown and also it has an X up in the coverage bars so im unable to make or receive calls. I've never tried to root it or to change it's software. also on few occasions the info about IMEI and baseband comes back and I can make calls again but it just goes back to unknown after a while. also I've tried to reinstall the software and made several factory resets. I just don't know what can I do anymore.
help will be appreciated
thanks.

mariodelacruz1214 said:
Hello,
I have a sprint Samsung galaxy s4 L720, unrooted on stock 4.3 baseband version L720VPUAMDC, the problem is that now it shows baseband, software version and IMEI as unknown and also it has an X up in the coverage bars so im unable to make or receive calls. I've never tried to root it or to change it's software. also on few occasions the info about IMEI and baseband comes back and I can make calls again but it just goes back to unknown after a while. also I've tried to reinstall the software and made several factory resets. I just don't know what can I do anymore.
help will be appreciated
thanks.
Click to expand...
Click to collapse
Really an unrooted MDC firmware?!
You haven't been getting update notices for months and months?
How long have you had the phone?
Was/is it flashed to another carrier?
How did you 're-install' the software? PC Odin? What version of Odin?

mariodelacruz1214 said:
Hello,
I have a sprint Samsung galaxy s4 L720, unrooted on stock 4.3 baseband version L720VPUAMDC, the problem is that now it shows baseband, software version and IMEI as unknown and also it has an X up in the coverage bars so im unable to make or receive calls. I've never tried to root it or to change it's software. also on few occasions the info about IMEI and baseband comes back and I can make calls again but it just goes back to unknown after a while. also I've tried to reinstall the software and made several factory resets. I just don't know what can I do anymore.
help will be appreciated
thanks.
Click to expand...
Click to collapse
I had the same problem. To fix it I just reflash the original rom that it has with Odin. Ex.: Mine is NAE 4.4.2, so I flashed that with Odin PC.
Remember: IF ANYTHING GOES WRONG I'M NOT RESPONSABLE

leaderbuilder said:
Really an unrooted MDC firmware?!
You haven't been getting update notices for months and months?
How long have you had the phone?
Was/is it flashed to another carrier?
How did you 're-install' the software? PC Odin? What version of Odin?
Click to expand...
Click to collapse
*The only update I got was the 4.3 one.
*I have like 4 months with the phone.
*Yeah it is flashed to another carrier, I'm in a foreign country. it worked smoothly the first 2 months and a half.
*it wasn't me who re-installed the software. I had some cellphone repair shop do it.
hope this helps.

Take it back to them to fix it.

w7excursion said:
Take it back to them to fix it.
Click to expand...
Click to collapse
^DO THAT^ It is their responsibility. Well technically your responsibility, but have them do what ever you need them to do.

leaderbuilder said:
^DO THAT^ It is their responsibility. Well technically your responsibility, but have them do what ever you need them to do.
Click to expand...
Click to collapse
The problem is that it had the issue before they reinstalled the software they just couldn't fix it and they didn't even charge me, so I don't believe it's their fault. also I noticed that I have baseband version L720PUAMDC and Build number JSS.15.L720VPUEMK2. shouldn't these 2 be the same?

mariodelacruz1214 said:
The problem is that it had the issue before they reinstalled the software they just couldn't fix it and they didn't even charge me, so I don't believe it's their fault. also I noticed that I have baseband version L720PUAMDC and Build number JSS.15.L720VPUEMK2. shouldn't these 2 be the same?
Click to expand...
Click to collapse
No they don't have to.
What they probably did is keep the baseband at MDC because that (or MDL) is needed for doing SIM/Carrier unlock and flashing. And they updated the ROM to a MK2 build.
Obviously they screwed the pooch somewhere.
Your best bet is reading through the few SIM unlock posts here in the forum (there are already a few and have dozens if not hundres of posts!). And using google to maybe look into your specific country/region/carrier flashing options.

Uh oh...
mariodelacruz1214 said:
The problem is that it had the issue before they reinstalled the software they just couldn't fix it and they didn't even charge me, so I don't believe it's their fault. also I noticed that I have baseband version L720PUAMDC and Build number JSS.15.L720VPUEMK2. shouldn't these 2 be the same?
Click to expand...
Click to collapse
If you update everything via MK2 you'll get everything back...except I'm pretty sure you'll lose the unlock, unless you know how to bring your baseband back to MDC...pretty straight forward, just Odin the modem.
So basically:
1) Odin MK2 full
2) Odin MDC modem
You should have your baseband back and thus everything restored.
This will not affect your 0011 menu edits.
In worst case scenario I will do this pro bono...you just take care of the shipping fees, but you should honestly try, at the very least, the above 2 steps.

before you do anything extreme, go to mobile network settings and set your cdma subscription to nv.

hi
you can repair via z3x box with samsung 16.7
its working very good i already repair alot of samsung l720
(1) flash the phone with original firmware
(2) root your phone with cft auto root file
(3) repair your imei with z3x 16.7
thanks

Problem Since Rooting - Unable to Dial Out or Receive Calls

Ive been unable to dial out or receive calls on my note 3 since rooting it. I have tried everything I can think of to get it resolved but have been unable to do it. This is not a problem with my mobile phone provider as I have tried my friends sims and they dont work either. I have installed the stock rom and reset factory defaults but I am still unable to use it.
I will pay someone to fix this for me now as it has now gotten out of hand! I have sent it to samsung and they say the device has been rooted and will not touch it! Any help would be much appreciated!!
Many thanks
Andy
P.s. If you can fix it, I will pay!!

Did you lose your IMEI after rooting? Or can you still register on your network? Also did you trip knox by rooting your phone?

Please help. My network doesn't work on custom rom but works on official firmware.
Sent from my SM-N9005 using XDA Free mobile app

Thanks for your reply Steven1962. The IMEI Number is still intact though I am not able to register on the network. I did trip knox when I rooted my device, I just sent it to samsung for repair and they wouldn't touch it as the knox was tripped.

AndyBrine said:
Thanks for your reply Steven1962. The IMEI Number is still intact though I am not able to register on the network. I did trip knox when I rooted my device, I just sent it to samsung for repair and they wouldn't touch it as the knox was tripped.
Click to expand...
Click to collapse
So if I understand correctly you are prompted to enter your PIN after reboot but you still can't register on your network even though the PIN gets accepted?

Steven1962 said:
So if I understand correctly you are prompted to enter your PIN after reboot but you still can't register on your network even though the PIN gets accepted?
Click to expand...
Click to collapse
I am not actually asked for a PIN. I do believe it registers to the network as it says im conected to Virgin, I just cant dial out or receive calls.

AndyBrine said:
I am not actually asked for a PIN. I do believe it registers to the network as it says im conected to Virgin, I just cant dial out or receive calls.
Click to expand...
Click to collapse
I think if it doesn't ask for a PIN it can not really register to the network. What firmware are you on currently? What's the version of your modem?

Flash last stock from your country with Odin ....

AndyBrine said:
I am not actually asked for a PIN. I do believe it registers to the network as it says im conected to Virgin, I just cant dial out or receive calls.
Click to expand...
Click to collapse
Yes, check your baseband version.
And flash the stock firmware for your device may help.

vndnguyen said:
Yes, check your baseband version.
And flash the stock firmware for your device may help.
Click to expand...
Click to collapse
Apologies for the late reply, I have been waiting for my phone to come back from Samsung. How do I know which baseband version I need for my phone?

AndyBrine said:
Apologies for the late reply, I have been waiting for my phone to come back from Samsung. How do I know which baseband version I need for my phone?
Click to expand...
Click to collapse
Install Phone INFO ★Samsung★ app to get info about your device (CSC, baseband, etc...)
Then open Menu > 'Firmware Browser' to download the stock firmware for your device.
You can flash full firmware, or extract the baseband (modem.bin + NON-HLOS.bin) and flash them separately.

Hi everyone,
vndnguyen, I'll address this question to you but hopefully help the original poster too.
I ran firmware browser in the above app but neither the vodafone nor btu (does btu mean unbranded?) version match my device. My bootloader, baseband and pda all end NC2 and my csc NA4. Even on Sammobile I cannot find that.
So my question is does it matter which one I install? If I install any vodafone uk offering will I be ok? If I install any uk btu version will it just be stock minus the bloat?
I've tried a few custom roms but always seem to head back to stock so wanted to flash pure stock if that makes any sense.
Sent from my SM-N9005 using Tapatalk

[Q] No Audio

Hello, a few days ago, my brother rooted his galaxy S4 with Odin, then he decided to go back to the stock version without root permission. But during the installation of the firmware, the computer is turned off. So I decided to try again to install the firmware with Odin. The installation went fine, but the audio and the wi-fi didn't work. So I decided to install a recovery (jflte cwm 6.0.5.0) and install the latest nightly of CyanogenMod 11 Now the wi-fi works perfectly, but the audio doesn't work. I have done many tests reading on the forum, I also changed kernel but nothing.
Can anyone help me? Thanks in advance!

Costantinus said:
Hello, a few days ago, my brother rooted his galaxy S4 with Odin, then he decided to go back to the stock version without root permission. But during the installation of the firmware, the computer is turned off. So I decided to try again to install the firmware with Odin. The installation went fine, but the audio and the wi-fi didn't work. So I decided to install a recovery (jflte cwm 6.0.5.0) and install the latest nightly of CyanogenMod 11 Now the wi-fi works perfectly, but the audio doesn't work. I have done many tests reading on the forum, I also changed kernel but nothing.
Can anyone help me? Thanks in advance!
Click to expand...
Click to collapse
I am facing the same problem, I've been running CM 11 nightlies for a looong time though.
I hope that we somehow can get an easy fix for this.

All audio
For you guys, does all of your audio don't work, like you can't call, play YouTube or music?

Lakajadiwa said:
For you guys, does all of your audio don't work, like you can't call, play YouTube or music?
Click to expand...
Click to collapse
Yes, the dialer doesn't work, in the audio settings I can't hear the different ring tones. If I raise the volume up you I can't hear the classic " beep " .
So completely without audio.

Thank god, I thought I was the only one, no fix either as far as i know. Looked on the internet for one for an hour yesterday too

Costantinus said:
Yes, the dialer doesn't work, in the audio settings I can't hear the different ring tones. If I raise the volume up you I can't hear the classic " beep " .
So completely without audio.
Click to expand...
Click to collapse
Yea same here.. Hopefully we will find a fix soon.
My sound came back yesterday, but disappeared this morning again, sadly.

FOUND IT!
Neo3000x said:
Yea same here.. Hopefully we will find a fix soon.
My sound came back yesterday, but disappeared this morning again, sadly.
Click to expand...
Click to collapse
Its a modem file that is responsible for it,
http://forum.xda-developers.com/showthread.php?p=50786512#post50786512
If you cannot find your modem file just type in your model name with modem to goodle, install with ODIN good luck!

Lakajadiwa said:
Its a modem file that is responsible for it,
http://forum.xda-developers.com/showthread.php?p=50786512#post50786512
If you cannot find your modem file just type in your model name with modem to goodle, install with ODIN good luck!
Click to expand...
Click to collapse
Hmm I just installed the latest modem on my phone today, trying to fix it - But it didn't work.
I installed XXUGNH8 (latest) - Which one did you install?

Match
You need one to match your phone my was a sgh-i377m modem so an mvlufnc1

Lakajadiwa said:
You need one to match your phone my was a sgh-i377m modem so an mvlufnc1
Click to expand...
Click to collapse
Well, I just have the international GT-I9505, so I think I have the right one installed?

Neo3000x said:
Well, I just have the international GT-I9505, so I think I have the right one installed?
Click to expand...
Click to collapse
Well if it doesn't work it probably is the wrong one.

Lakajadiwa said:
Well if it doesn't work it probably is the wrong one.
Click to expand...
Click to collapse
As I have the international model, I am quite sure that it is the right one, and sammobile.com agrees with me.
PDA: I9505XXUFNB9
CSC: I9505NEEFNB2
MODEM: I9505XXUFNB9

Neo3000x said:
As I have the international model, I am quite sure that it is the right one, and sammobile.com agrees with me.
PDA: I9505XXUFNB9
CSC: I9505NEEFNB2
MODEM: I9505XXUFNB9
Click to expand...
Click to collapse
damn, maybe try different modems idk..... Cause I think that the modem is the problem, we'll at least for me it was.

I tried to flash different modem with Odin, but nothing.
I tried:
XXUGNG2
XXUGNE5
XXUBMF8
But no, the audio doesn't work!

Hi,
Yes the problem is related to modem! But to get it working again it's not necessary to go to the latest modem, actually it may not be the solution! Try installing the Galaxy Info app from Play Store ( https://play.google.com/store/apps/details?id=org.vndnguyen.phoneinfo) and check your bootloader version, with it you'll have to flash the same version of modem as the bootloader you have.
If that doesn't solve the problem, you'll have to upgrade your modem, just change one version above and keep trying until it works. I know it's tedious, but that's the method I use and always worked .
~Lord

XxLordxX said:
Hi,
Yes the problem is related to modem! But to get it working again it's not necessary to go to the latest modem, actually it may not be the solution! Try installing the Galaxy Info app from Play Store and check your bootloader version, with it you'll have to flash the same version of modem as the bootloader you have.
If that doesn't solve the problem, you'll have to upgrade your modem, just change one version above and keep trying until it works. I know it's tedious, but that's the method I use and always worked .
~Lord
Click to expand...
Click to collapse
I've installed the Galaxy info app, and my bootloader was equal to XXUGNG2.
So, I've flashed with Odin the GNG2 modem first, then the 4 and the 8. But the audio still doesn't work.
So, I've flashed with the GNG8 modem his correlated bootloader, but the problem still persists. Any ideas?

Costantinus said:
I've installed the Galaxy info app, and my bootloader was equal to XXUGNG2.
So, I've flashed with Odin the GNG2 modem first, then the 4 and the 8. But the audio still doesn't work.
So, I've flashed with the GNG8 modem his correlated bootloader, but the problem still persists. Any ideas?
Click to expand...
Click to collapse
Hi,
Not many ideas here. But anyway, just in case you want to try I'm using XXUFNB8 bootloader with the XXUFNB8 modem. If you are running a bootloader newer than mine don't even consider changing your bootloader, but maybe the modem may help.
If you are sure you tried as many possible combinations of BL and MDM, then try flashing another zip, as this one may be corrupted...
~Lord
"Dream On! Dream Until Your Dreams Come True!" - Dream On (Aerosmith)
Sent from my GT-I9505

My sound still comes and goes as it pleases.. It seems like it is having its own life - Sometimes it stays for hours, then goes away for 10 minutes and sometimes it's the other way around.
Anyway, I've tried the phone-info app, and my bootloader (as expected) is: I9505XXUFNB9.
My Baseband version is also I9505XXUFNB9. PDA and CSC are both blank.
It still bugs me a lot I must say...

up, same problem here.
I've tried everything.. Any news?

So.. Just wanted to update you guys..
I've now been "with sound" for about 20 hours, which is a new record, and I think that it will stay.
What I did:
Wiped EVERYTHING - Internal SD, External SD, Data, etc.
Flashed EuroSkank 22-10-2014
Crossed my fingers
...
Payoff!

HELP! WiFi Issues

Sorry I'm a noon, don't do all those font sizes and colours and pictures aha but basically... I've been on CyanogenMod for about a year now and have never had WiFi issues. Been using cm12 nightlies for most of this year with no problem however, after updating my nightly the past two days I've been experiencing WiFi Drops happening every min and a half or so. So annoying. I've used Wifix apps etc, no luck. I've reverted to old night lies I used to run without any problems however the problem stays. I've consider flashing back to TouchWiz to see if that helps it but I really don't want to
Can someone please help me. My phone is on contract and my bill is overdue so I won't have mobile data until it's cleared (around June) so if I don't have WiFi, I'm screwed.
S4

tyrelldk_ said:
Sorry I'm a noon, don't do all those font sizes and colours and pictures aha but basically... I've been on CyanogenMod for about a year now and have never had WiFi issues. Been using cm12 nightlies for most of this year with no problem however, after updating my nightly the past two days I've been experiencing WiFi Drops happening every min and a half or so. So annoying. I've used Wifix apps etc, no luck. I've reverted to old night lies I used to run without any problems however the problem stays. I've consider flashing back to TouchWiz to see if that helps it but I really don't want to
Can someone please help me. My phone is on contract and my bill is overdue so I won't have mobile data until it's cleared (around June) so if I don't have WiFi, I'm screwed.
S4
Click to expand...
Click to collapse
Have you tried flashing a new modem? This generally fixes wifi (and sound issues if there are any)

I barely know what a modem is haha but if that's the case, I'll try today.

Here you have a list of modems. Read the topic as it also has some info and the flashing guide.
You need to go to sammobile firmware checker and input your phone model, country and carrier. Then it will show you the correct firmware for your country and carrier. Based on that, download the modem. Make sure you get the latest modem. If you can't find the latest modem on the linked thread, there was another thread with all the latest modems, but I can't seem to find it anymore.

GDReaper said:
Here you have a list of modems. Read the topic as it also has some info and the flashing guide.
You need to go to sammobile firmware checker and input your phone model, country and carrier. Then it will show you the correct firmware for your country and carrier. Based on that, download the modem. Make sure you get the latest modem. If you can't find the latest modem on the linked thread, there was another thread with all the latest modems, but I can't seem to find it anymore.
Click to expand...
Click to collapse
I'm on 5.02 CM12, I downloaded the latest modem for my GT-I9505 which matched the firmware code for a 4.4.2 S4 however still no luck ffs. This is really annoying, i don't know how my WiFi could jist shut off on me like that :/. Looks like I'm going to have to buy myself a new phone then. Can't use my mobile data for a couple months as my carrier has blocked me until I pay off my bill and now with my wifi disconnecting every 2 mins, I basically cannot use the internet. So frustrated.
I've flashed new nightlies, changed baseband versions, factory reset my phone and still no luck. What makes things worse is i cannot see any other threads with people in my postition so help is so minimal :/. Annoyed is an understatement.

tyrelldk_ said:
Sorry I'm a noon, don't do all those font sizes and colours and pictures aha but basically... I've been on CyanogenMod for about a year now and have never had WiFi issues. Been using cm12 nightlies for most of this year with no problem however, after updating my nightly the past two days I've been experiencing WiFi Drops happening every min and a half or so. So annoying. I've used Wifix apps etc, no luck. I've reverted to old night lies I used to run without any problems however the problem stays. I've consider flashing back to TouchWiz to see if that helps it but I really don't want to
Can someone please help me. My phone is on contract and my bill is overdue so I won't have mobile data until it's cleared (around June) so if I don't have WiFi, I'm screwed.
S4
Click to expand...
Click to collapse
GDReaper said:
Have you tried flashing a new modem? This generally fixes wifi (and sound issues if there are any)
Click to expand...
Click to collapse
Hi mate ,
Try flashing a new modem it never hurts but wifi is kernel control , see what kernel you had before when it was working good ,check if it was changed in the las upgrade... reflash old kernel again or try a different one

MAX 404 said:
Hi mate ,
Try flashing a new modem it never hurts but wifi is kernel control , see what kernel you had before when it was working good ,check if it was changed in the las upgrade... reflash old kernel again or try a different one
Click to expand...
Click to collapse
I really can't remember what date I was on when it was working fine

tyrelldk_ said:
I really can't remember what date I was on when it was working fine
Click to expand...
Click to collapse
Go back to stock firmware if you haven't updated the bootloader.
If it works fine on stock, then re-root your phone and try again with CM12.

GDReaper said:
Go back to stock firmware if you haven't updated the bootloader.
If it works fine on stock, then re-root your phone and try again with CM12.
Click to expand...
Click to collapse
Updated by bootloader earlier today :s was told I had to do that to flash a new modem... Can/should I still flash back to touchwiz and if so, how do I? And say I go back to touchwiz and it Stoll doesn't work, my phone is basically unusable isn't it?

tyrelldk_ said:
Updated by bootloader earlier today :s was told I had to do that to flash a new modem... Can/should I still flash back to touchwiz and if so, how do I? And say I go back to touchwiz and it Stoll doesn't work, my phone is basically unusable isn't it?
Click to expand...
Click to collapse
Hi ,
yes can still flash an stock rom....but why you do not try first
flash a different modem
flash a different kernel
If every thing else fails flash a stock rom, what model S4 do you have I9505?
there are a few kernels around like
http://forum.xda-developers.com/showthread.php?t=2590246
and modems check here
http://forum.xda-developers.com/showpost.php?p=50965837&postcount=2627
Back up first most important EFS folder
http://forum.xda-developers.com/android/apps-games/app-samsung-efs-imei-partition-backup-t2955110

MAX 404 said:
Hi ,
yes can still flash an stock rom....but why you do not try first
flash a different modem
flash a different kernel
If every thing else fails flash a stock rom, what model S4 do you have I9505?
there are a few kernels around like
http://forum.xda-developers.com/showthread.php?t=2590246
and modems check here
http://forum.xda-developers.com/showpost.php?p=50965837&postcount=2627
Back up first most important EFS folder
http://forum.xda-developers.com/android/apps-games/app-samsung-efs-imei-partition-backup-t2955110
Click to expand...
Click to collapse
I flashed a modem *read above* and nothing's happened... I even tried flashing WiFi fixes and it hasn't done anything
I didn't know kernels could fix a WiFi problem, I might try that.

tyrelldk_ said:
I flashed a modem *read above* and nothing's happened... I even tried flashing WiFi fixes and it hasn't done anything
I didn't know kernels could fix a WiFi problem, I might try that.
Click to expand...
Click to collapse
WIFI is kernel controlled...

MAX 404 said:
WIFI is kernel controlled...
Click to expand...
Click to collapse
Hi, I flashed that kernel and the same problem is occuring D'you have any other ideas? Sorry if i'm being annoying

tyrelldk_ said:
Hi, I flashed that kernel and the same problem is occuring D'you have any other ideas? Sorry if i'm being annoying
Click to expand...
Click to collapse
Check and see i if power save is on , if so switch it off
Dial *#0011#
This will take you into the Service Mode
Press the left bottom key new menu will show
Select Wifi... Once in the Wifi settings , turn it off...
Do you have to refresh the password? just in case check this
Go to /system
Open the built.prop
search for ro.securestorage.support
If it says true , change to false
Save and reboot
Also if you are skill check the antenna cable inside the phone..maybe is just loose

MAX 404 said:
Check and see i if power save is on , if so switch it off
Dial *#0011#
This will take you into the Service Mode
Press the left bottom key new menu will show
Select Wifi... Once in the Wifi settings , turn it off...
Do you have to refresh the password? just in case check this
Go to /system
Open the built.prop
search for ro.securestorage.support
If it says true , change to false
Save and reboot
Also if you are skill check the antenna cable inside the phone..maybe is just loose
Click to expand...
Click to collapse
Grrr... Power save is off
When I dial that code, the phone does nothing...does the fact that I cannot turn on my mobile data stop me from dialing this code? Also, does the fact that I'm on cm12 and not on touchwiz stop me from using this?
& I have no password on my phone and there was no ro.securestorage.support ... I found this "ro.wifi.channels=" if that helps?

tyrelldk_ said:
Grrr... Power save is off
When I dial that code, the phone does nothing...does the fact that I cannot turn on my mobile data stop me from dialing this code? Also, does the fact that I'm on cm12 and not on touchwiz stop me from using this?
& I have no password on my phone and there was no ro.securestorage.support ... I found this "ro.wifi.channels=" if that helps?
Click to expand...
Click to collapse
The code should work maybe is because CM , well last option would be to flash a stock rom and see how it goes........how you know power save is off?
BTW in your wifi setting there is no proxy ? did you try to delete settings and do a new one?

MAX 404 said:
The code should work maybe is because CM , well last option would be to flash a stock rom and see how it goes........how you know power save is off?
BTW in your wifi setting there is no proxy ? did you try to delete settings and do a new one?
Click to expand...
Click to collapse
Damn really didn't want it to get to this, will I lose root access too?
Isn't power save automatically off in the settings? It gives you the option to use it in low battery
& I don't know how to check if there is or isn't proxy. What do you mean by deleting settings?

tyrelldk_ said:
Updated by bootloader earlier today :s was told I had to do that to flash a new modem... Can/should I still flash back to touchwiz and if so, how do I? And say I go back to touchwiz and it Stoll doesn't work, my phone is basically unusable isn't it?
Click to expand...
Click to collapse
If you updated bootloader then you can't go back to kitkat roms. Only the 5.0 lollipop roms. But Samsung hasn't released the official update in all countries.
If it still doesn't work, even with official firmware, then it might be hardware related. Maybe even your wifi router.
MAX 404 said:
Hi ,
yes can still flash an stock rom....but why you do not try first
flash a different modem
flash a different kernel
If every thing else fails flash a stock rom, what model S4 do you have I9505?
there are a few kernels around like
http://forum.xda-developers.com/showthread.php?t=2590246
and modems check here
http://forum.xda-developers.com/showpost.php?p=50965837&postcount=2627
Back up first most important EFS folder
http://forum.xda-developers.com/android/apps-games/app-samsung-efs-imei-partition-backup-t2955110
Click to expand...
Click to collapse
He said he tried other modems.

GDReaper said:
If you updated bootloader then you can't go back to kitkat roms. Only the 5.0 lollipop roms. But Samsung hasn't released the official update in all countries.
If it still doesn't work, even with official firmware, then it might be hardware related. Maybe even your wifi router.
Click to expand...
Click to collapse
Hi, i'm going to flash lollipop touchwiz onto my phone using this http://www.ibtimes.co.uk/android-5-...-s4-lte-how-manually-install-via-odin-1492230.
Anything i should know/do before doing this?

Did you flash an alternate kernel?
Wifi issues are often kernel related. Not always...but often.

[UTILITY]Factory Binary -- Service Firmware for G920F only!

Hello every one!!!!
i am not sure if i am posting this in the correct section, if not forgive me, but i am not sure where to post this..
SO... long story short: i went to service because i had to fix imei (which i still have to be done) so i went to pick up the phone not fixed (too expensive in that lab), and i found out there is a SERVICE FIRMWARE on it!!!
first thing i did was dumping it of course i am providing now links to it and to the kernel shipped along with..
ODIN FLASHABLE
RECOVERY FLASHABLE
note:
- both require a factory reset to start, if you do it from custom recovery you can skip format sdcard, but still need to wipe data
- odin flashable already is rooted and has su app installed by me, for the recovery one you can simply flash SuperSuUpdate.zip
most interesting stuffs are a permissive from stock kernel, there are some service apps, which unfortunately are not fixing my problem, and only allow to run tests basically, apart some really small edits to connection and usb or HW tests.. another interesting thing is that the firmware has a sort of AOSP base but need tons of work to have it fully functional.. F.e setting is "aosp" looking and works also on stock roms, but some part are FC because code is missing; launcher is basically useless, but is an "aosp" one as well
most interesting service apps are missing a connection to a tool (i believe) since it throws a popup saying :
Code:
[HMT] init failed
or
[HMT] not connected
anyone knows which could be? anyone familiar to this?
so in the end i am posting it just as general pourpose and cherrypicking of usefull apps, unless we can find what is missing so we could actually fix lots of issues!!!!

Do you have Full service mode with band selection and advanced network settings?

Legend35 said:
Do you have Full service mode with band selection and advanced network settings?
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Yes those are the thing this firmware is intended to i think.. actually you can pull apps from the img if you know how to and use it also on stock fw.. I think i will do later and post them separately

Will this service firmware reset the knox counter aswell?

Ok thank you. Please look for advanced network setup APPs and post them ASAP, I need them very urgently

WOW, nice, i have a look asap.

dogan2010 said:
Will this service firmware reset the knox counter aswell?
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Click to collapse
No this is too much to ask to this fw ,unfortunately is not possible to reset on any device
Legend35 said:
Ok thank you. Please look for advanced network setup APPs and post them ASAP, I need them very urgently
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Click to collapse
Well if you're in rush flash the firmware and use them, or use some app like samsung secret code from play.. You'll need root for that to work properly

Wuby986 said:
Well if you're in rush flash the firmware and use them, or use some app like samsung secret code from play.. You'll need root for that to work properly
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Knox will stay 0x0 ?

Legend35 said:
Knox will stay 0x0 ?
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Click to collapse
I really dunno because i had mine already tripped long before..! I think it should because they are not supposed to trip knox to fix it, but the selinux permissive kernel could give you troubles!!! Seriously !! Lots of thing may go wrong.. First of all is not out of the box compiled by samsung, but is repacked by me! So no chance it has original signature
You could try this app
https://play.google.com/store/apps/details?id=org.vndnguyen.shortcutmaster.lite
Giving root permission and try some code using method 0 (root) to launch it ex 1234567890 could be usefull for you

Wuby986 said:
Hello every one!!!!
i am not sure if i am posting this in the correct section, if not forgive me, but i am not sure where to post this..
SO... long story short: i went to service because i had to fix imei (which i still have to be done) so i went to pick up the phone not fixed (too expensive in that lab), and i found out there is a SERVICE FIRMWARE on it!!!
first thing i did was dumping it of course i am providing now links to it and to the kernel shipped along with..
ODIN FLASHABLE
RECOVERY FLASHABLE
note:
- both require a factory reset to start, if you do it from custom recovery you can skip format sdcard, but still need to wipe data
- odin flashable already is rooted and has su app installed by me, for the recovery one you can simply flash SuperSuUpdate.zip
most interesting stuffs are a permissive from stock kernel, there are some service apps, which unfortunately are not fixing my problem, and only allow to run tests basically, apart some really small edits to connection and usb or HW tests.. another interesting thing is that the firmware has a sort of AOSP base but need tons of work to have it fully functional.. F.e setting is "aosp" looking and works also on stock roms, but some part are FC because code is missing; launcher is basically useless, but is an "aosp" one as well
most interesting service apps are missing a connection to a tool (i believe) since it throws a popup saying :
Code:
[HMT] init failed
or
[HMT] not connected
anyone knows which could be? anyone familiar to this?
so in the end i am posting it just as general pourpose and cherrypicking of usefull apps, unless we can find what is missing so we could actually fix lots of issues!!!!
Click to expand...
Click to collapse
Can you mKE THIS FOR THE SPRINT 920p VERSION 5.1.1? TY.

Wuby986 said:
I really dunno because i had mine already tripped long before..! I think it should because they are not supposed to trip knox to fix it, but the selinux permissive kernel could give you troubles!!! Seriously !! Lots of thing may go wrong.. First of all is not out of the box compiled by samsung, but is repacked by me! So no chance it has original signature
You could try this app
https://play.google.com/store/apps/details?id=org.vndnguyen.shortcutmaster.lite
Giving root permission and try some code using method 0 (root) to launch it ex 1234567890 could be usefull for you
Click to expand...
Click to collapse
They dont trip knox because they would have flashed an engineering sboot to your device. you should look into dumping that if you have not updated it yet.

Mig1234 said:
Can you mKE THIS FOR THE SPRINT 920p VERSION 5.1.1? TY.
Click to expand...
Click to collapse
No i can't.. Did you even read the first post?
-Mr. X- said:
They dont trip knox because they would have flashed an engineering sboot to your device. you should look into dumping that if you have not updated it yet.
Click to expand...
Click to collapse
The thing is that when they flashed it on my device they have a compiled one with samsung original signature.. Mine is a repack so it doesn't have the original signature so it is likely that if you flash with odin you can end up with tripped knox, because bootloader doesn't read samsung sig and voids it

Wuby986 said:
No i can't.. Did you even read the first post?
The thing is that when they flashed it on my device they have a compiled one with samsung original signature.. Mine is a repack so it doesn't have the original signature so it is likely that if you flash with odin you can end up with tripped knox, because bootloader doesn't read samsung sig and voids it
Click to expand...
Click to collapse
Of course I read the post, that's why I asked the question, your post wasn't clear.

Mig1234 said:
Of course I read the post, that's why I asked the question, your post wasn't clear.
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Click to collapse
you didn't read well then.. I gave the phone to service and the gave me back with this fw installed.. I can't build anything, i don't work for samsung, and i stated this is for 920f bacause it is only for this
I don't live is usa, i don't have a sprint mobile phone, and i cannot make it as i didn't make this one, i just dumped it from my phone

Wuby986 said:
No i can't.. Did you even read the first post?
The thing is that when they flashed it on my device they have a compiled one with samsung original signature.. Mine is a repack so it doesn't have the original signature so it is likely that if you flash with odin you can end up with tripped knox, because bootloader doesn't read samsung sig and voids it
Click to expand...
Click to collapse
Regardless, Service firmwares always contain an engineering boot loader. as it allows them to flash what ever they need retaining the current knox state. it also unlocks the protected memory, and has a whole suite of debugging commands enabled for service utilities.
SO again i state if you have not updated this device since you got it back (eg, flashed a tar with a public sboot in it) you should consider dumping yours as its most likely an engineering one for the G920F.

-Mr. X- said:
Regardless, Service firmwares always contain an engineering boot loader. as it allows them to flash what ever they need retaining the current knox state. it also unlocks the protected memory, and has a whole suite of debugging commands enabled for service utilities.
SO again i state if you have not updated this device since you got it back (eg, flashed a tar with a public sboot in it) you should consider dumping yours as its most likely an engineering one for the G920F.
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Click to collapse
Damn.. i am afraid it is too late, i didn't thought at that.. What a shame..

ok
Wuby986 said:
you didn't read well then.. I gave the phone to service and the gave me back with this fw installed.. I can't build anything, i don't work for samsung, and i stated this is for 920f bacause it is only for this
I don't live is usa, i don't have a sprint mobile phone, and i cannot make it as i didn't make this one, i just dumped it from my phone
Click to expand...
Click to collapse
Got ya!

New device
Wuby986 said:
No i can't.. Did you even read the first post?
The thing is that when they flashed it on my device they have a compiled one with samsung original signature.. Mine is a repack so it doesn't have the original signature so it is likely that if you flash with odin you can end up with tripped knox, because bootloader doesn't read samsung sig and voids it
Click to expand...
Click to collapse
I just received a new device. Here's what I found out.
I tried to use a kernel (by mistake) from another carrier and when you do this, there's Samsung software that recognizes that's not a Sprint Kernel and it locks up the device. That's what was told to me.

@Wuby986 Do you have any screenshots? I would like to see the aosp stuff that includes before I install it to my phone
Thanks

t-shock said:
@Wuby986 Do you have any screenshots? I would like to see the aosp stuff that includes before I install it to my phone
Thanks
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Click to collapse
no sorry.. i don't have it anymore, and by now i don't have the possibility to flash it since i upgraded to 5.1.1