[Q] wifi and bluetooth are not working sprint s4 L720 - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

Hello, I have sprint samsung galaxy s4 and I unlocked it, for unlocking I downgraded my baseband from NG2 TO MDC, after unlocking everything was fine for 2 weeks but when I restarted the mobile I lost my wifi and bluetooth. When I try to on the wifi The icon of wifi and bluetooth appear as light green and then no reresponce.please help my mobile details are as follows:
SOFTWARE VERSION: L720VPUAMDC
HARDWARE VERSION: L720.08
Model: SPH L720
Android version:4.4.2
Baseband VERSION: L720VPUAMDC
Build No: L720VPUFNG2.

howdy
my s4 wifi never worked from day one.
scoured Internet until I found solution below :
Internal SD Memory the Path /data/misc/wifi/
the File named wpa_supplicant.conf is having issue.
Not going to guess what what was done on
your side only that wifi cannot read that file so
it just shuts off.
you need root to view this file, I suggest
renaming it, reboot then enable wifi again and it
will create a new one.
you will lose all saved passwords from the
beginning of time but will be able to use wifi
again.
not sure about the bluetooth issue.
hope this helps.
s4
rooted cf autoroot
stockrom
xposed framework
Sent from my SPH-L720 using XDA Premium 4 mobile app

Are you sure it is not the issue of baseband, which I downgraded from NG2 TO MDC?? And if I root my device what sort of method you suggest me to do?

bob5487 said:
howdy
my s4 wifi never worked from day one.
scoured Internet until I found solution below :
Internal SD Memory the Path /data/misc/wifi/
the File named wpa_supplicant.conf is having issue.
Not going to guess what what was done on
your side only that wifi cannot read that file so
it just shuts off.
you need root to view this file, I suggest
renaming it, reboot then enable wifi again and it
will create a new one.
you will lose all saved passwords from the
beginning of time but will be able to use wifi
again.
not sure about the bluetooth issue.
hope this helps.
s4
rooted cf autoroot
stockrom
xposed framework
Did all what you said but unfortunately the file which i renamed is not changing by new file and the problem is also not solved, now l720 is rooted and with no any file in folder data/misc/wifi/
the File named wpa_supplicant.conf so what should i do now???
Click to expand...
Click to collapse

very tensed
bob5487 said:
howdy
my s4 wifi never worked from day one.
scoured Internet until I found solution below :
Internal SD Memory the Path /data/misc/wifi/
the File named wpa_supplicant.conf is having issue.
Not going to guess what what was done on
your side only that wifi cannot read that file so
it just shuts off.
you need root to view this file, I suggest
renaming it, reboot then enable wifi again and it
will create a new one.
you will lose all saved passwords from the
beginning of time but will be able to use wifi
again.
not sure about the bluetooth issue.
hope this helps.
s4
rooted cf autoroot
stockrom
xposed framework
very tensed please solve this
Click to expand...
Click to collapse

You mentioned your now rooted.
I use ES File Explorer
and turn on the root explorer in the app.
then search under
/device
Sent from my SPH-L720 using XDA Premium 4 mobile app
---------- Post added at 02:33 AM ---------- Previous post was at 02:27 AM ----------
always make BACKUP first.
/device equivalent to a registry... use caution
Sent from my SPH-L720 using XDA Premium 4 mobile app

bluetooth not working
after lollipop ugrade on my sprint galaxy s4 my /data/misc/bluetooth folder is missing all the folders and files, anyone know how to get them back, or can someone pleas share them with me to get bluetooth working again

i m looking for same thing is any one there got success?

asadnow2k said:
i m looking for same thing is any one there got success?
Click to expand...
Click to collapse
Usually it would be because your baseband doesn't match your build. Odin the latest stock from www.sammobile.com and you should be fine.
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Related

About exsd card on Kitkat

Hello ? guys
I have a note3 with last updated official unrooted Kitkat so i use es Explorer to exploring my files
? so there's r some kinda issue or error happening when try to delete some of my files on external SD card ? like the screen shot
Is there a solution for that without root
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Btw this error appeared when copy files too
Regards ☺ [emoji4] [emoji5]
I tried solid Explorer and sampe issue
Backup your files to a pc and format the SDcard (from the phone menu). Solved it for me.
And make sure you properly unmount your card next time, because that's whats causing this. (I learned that the hard way.)
(This is related to but not directly the result of the KitKat permissions. ES works around those, the only thing it can't do is rename.)
Sent from my SM-N9005 using Tapatalk 2
ShadowLea said:
Backup your files to a pc and format the SDcard (from the phone menu). Solved it for me.
And make sure you properly unmount your card next time, because that's whats causing this. (I learned that the hard way.)
(This is related to but not directly the result of the KitKat permissions. ES works around those, the only thing it can't do is rename.)
Sent from my SM-N9005 using Tapatalk 2
Click to expand...
Click to collapse
Sorry for late reply but the problem appear only with the explorers that i download
I mean there's no issue with Samsung Explorer
This Samsung Explorer
IRoN MaN9 said:
Sorry for late reply but the problem appear only with the explorers that i download
I mean there's no issue with Samsung Explorer
This Samsung Explorer
Click to expand...
Click to collapse
I've heard a few others mention that. It's related to KitKat's security permissions. Rooting should fix it.
Interestingly, I have no such issues with ES file Explorer on any of my unrooted 4.4 devices. the only thing it doesn't do is rename. (but neither does it work on stock My Files, nor MTP and Windows Explorer.)
Sent from my SM-N9005 using Tapatalk 2
ShadowLea said:
I've heard a few others mention that. It's related to KitKat's security permissions. Rooting should fix it.
Interestingly, I have no such issues with ES file Explorer on any of my unrooted 4.4 devices. the only thing it doesn't do is rename. (but neither does it work on stock My Files, nor MTP and Windows Explorer.)
Sent from my SM-N9005 using Tapatalk 2
Click to expand...
Click to collapse
Yeah i heard about that too
I mean what the point to complex Kitkat that way i think they want extra money from SD card ? makers so they (Google) fully support that
In the other hand wouldn't root my note3 untill the 18 month finish
I'm waiting 4.4.4 update so i don't wanna miss that
Anyway thanks again
IRoN MaN9 said:
Yeah i heard about that too
I mean what the point to complex Kitkat that way i think they want extra money from SD card ? makers so they (Google) fully support that
In the other hand wouldn't root my note3 untill the 18 month finish
I'm waiting 4.4.4 update so i don't wanna miss that
Anyway thanks again
Click to expand...
Click to collapse
Google has never supported MicroSD's.
It's the other brands that have added it. But with everyone being security morons these days, this is the result. More restrictions to protect people from their own stupidity.
(That money making scheme works a little badly when the Nexus devices, Google's own phones, don't have a MicroSD slot )
Sent from my SM-N9005 using Tapatalk 2

Wcdma only = no signal or network

Hey guys
I'm struggling with wcdma for weeks and i can't find a solution. The problem is that every time I select the WCDMA ONLY option, the device loose its signal immediately. The GSM option works properly. I have a data plan for 4g/3g etc Below are some info and things I've tried with no luck.
IMEI is checked and is the same with the one under the battery
Tried different sim card
Flashed diferrent roms
Updated it to 5.0
Went to different locations
APN settings are provided by the carrier
Model Number SM-N9005
ANDROID VERSION 4.4.2
Baseband Versatile N9005XXUGNG1
Kernel version
3.4.0-1955971
[email protected]#1
Tue Oct 28 21:15:16 KST 2014
Build number
KOT49H.N9005XXUGNJ2
SE for android status
Enforcing
SEPF_SM-N9005_4.4.2_0046
United Arab Emirates
Security software version
MDF v1.0 release 3
Hellllp
Anyone?
Info added
Then don't set it to WCDMA only... :sly:
Yeah good point but even if i set it to Auto i will never get 3g/4g signal :/
alexui90 said:
Yeah good point but even if i set it to Auto i will never get 3g/4g signal :/
Click to expand...
Click to collapse
Install this APP and add screenshots.
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info
alexui90 said:
info
Click to expand...
Click to collapse
The device seems original but you are using wrong firmware. Download and flash via ODIN:
- This ONE if you wish android 4.4.2.
- This ONE if you wish android 5.0.
I've updated it to 5.0 before without any luck :/
Any other advices?
alexui90 said:
I've updated it to 5.0 before without any luck :/
Any other advices?
Click to expand...
Click to collapse
I was telling you. Flash the correct firmware android 4.4.2 for your device if you are having problems with android 5.0.
Joku1981 said:
I was telling you. Flash the correct firmware android 4.4.2 for your device if you are having problems with android 5.0.
Click to expand...
Click to collapse
Ok i did that too. No luck. I tried again with a different sim card with carrier apn settings and no 3g/4g/H+
alexui90 said:
Ok i did that too. No luck. I tried again with a different sim card with carrier apn settings and no 3g/4g/H+
Click to expand...
Click to collapse
Can you add new screenshots of that app with the new firmware flashed?
Joku1981 said:
Can you add new screenshots of that app with the new firmware flashed?
Click to expand...
Click to collapse
Here you go. I flashed the 4.4.2 from the link you posted
alexui90 said:
Here you go. I flashed the 4.4.2 from the link you posted
Click to expand...
Click to collapse
Can you go now Settings -> More networks ->Mobile networks -> Network Mode and add one screenshot?
I attached few to see the signal too
alexui90 said:
I attached few to see the signal too
Click to expand...
Click to collapse
Root your device and change with a root explorer of your choice (e.g. Root Explorer, Solid Explorer or EF File Explorer) the value “false” in file persist.radio.lteon into “true” by way of build-in text editor of the root explorer. The file is located in root/data/property. Be sure permissions of persist.radio.lteon are set to rw, after altering the file save the file and make it read-only. Reboot your phone, now you will see and be able to pick the option “LTE/WCDMA/GSM (auto connect)” in Network Mode menu. Important: before altering ANY file on your phone be sure you have a copy of the original, unaltered file!!! Advantage of this solution: even after a phone reboot the option “LTE/WCDMA/GSM (auto connect)” will remain visible/activated.
Ok did it. Still only on "E" :/
I'm new to this but the build.prop settings or EFS folder have anything to do with my problem?
Up
alexui90 said:
Up
Click to expand...
Click to collapse
any luck alex ? Iam having the same issue

Xposed on sm-g900f G900FXXU1BOJ1?????????

Hey everyone kinda new to this, had a HTC Sensation, good few years back and tinkered a fair bit with that.
I now have a sm-g900f S5 running stock 5.0 Baseband G900FXXU1BOJ1. I have rooted the device and got TWRP running. I have backed everything up.
My question is can i put xposed on my device and if i can how do i go about it.
Thanks in advance.
How did you root your device I've been trying and can't seem to find the right firmware
---------- Post added at 05:01 AM ---------- Previous post was at 04:58 AM ----------
streetewok said:
Hey everyone kinda new to this, had a HTC Sensation, good few years back and tinkered a fair bit with that.
I now have a sm-g900f S5 running stock 5.0 Baseband G900FXXU1BOJ1. I have rooted the device and got TWRP running. I have backed everything up.
My question is can i put xposed on my device and if i can how do i go about it.
Thanks in advance.
Click to expand...
Click to collapse
Hi mate how did you root your device I've been looking for this romantic but can't find it anywhere any help you could give would be appreciated
streetewok said:
Hey everyone kinda new to this, had a HTC Sensation, good few years back and tinkered a fair bit with that.
I now have a sm-g900f S5 running stock 5.0 Baseband G900FXXU1BOJ1. I have rooted the device and got TWRP running. I have backed everything up.
My question is can i put xposed on my device and if i can how do i go about it.
Thanks in advance.
Click to expand...
Click to collapse
Hi mate how did you root your device I've been looking for this romantic but can't find it anywhere any help you could give would be appreciated
azza1328 said:
Hi mate how did you root your device I've been looking for this romantic but can't find it anywhere any help you could give would be appreciated
Click to expand...
Click to collapse
Now I habe a rooted S5
1. copy "UPDATE-SuperSU-v2.46.zip" to phone internal storage
2. flash the "twrp-2.8.7.0-klte.img.tar" with Odin (with "Auto Reboot" OFF)
3. After battery out and in, boot into recovery (VolUP+Home+PWR)
4. In recovery with TWRP go to install zip, choose "UPDATE-SuperSU-v2.46.zip".
Reboot Phone and tested with a root Checker from Playstore and -> Congratulations! Root access is properly installed on this device!
Click to expand...
Click to collapse
Sent from my SM-G900F using Tapatalk
I think XPosed should work on any bootloader,only depends on the versions that xposed supports but by now it should support almost any android versions,anyone can correct me if I'm wrong here.
elefiski said:
I think XPosed should work on any bootloader,only depends on the versions that xposed supports but by now it should support almost any android versions,anyone can correct me if I'm wrong here.
Click to expand...
Click to collapse
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This warning shows up when I try and install the framework, any ideas?
I also read that on stock Samsung ROMs it causes bootloop?
Sent from my SM-G900F using Tapatalk
Try uninstalling the current one and try flashing sdk22 after that.
Everything about xposed for lollipop is on this post http://forum.xda-developers.com/showthread.php?t=3034811 ;post should help a bit.
streetewok said:
Hey everyone kinda new to this, had a HTC Sensation, good few years back and tinkered a fair bit with that.
I now have a sm-g900f S5 running stock 5.0 Baseband G900FXXU1BOJ1. I have rooted the device and got TWRP running. I have backed everything up.
My question is can i put xposed on my device and if i can how do i go about it.
Thanks in advance.
Click to expand...
Click to collapse
Brother plzz would you tell me how you root this baseband version.
My s5 running on this baseband wont root..plzzz
1. Download "UPDATE-SuperSU-v2.46.zip" to phone internal storage
2. flash the "twrp-2.8.7.0-klte.img.tar" with Odin 3 (with "Auto Reboot" OFF)
Once shows as a success in oden remove the battery.
3. After battery out and in, boot into recovery (VolUP+Home+PWR)
4. In recovery with TWRP go to install zip, choose "UPDATE-SuperSU-v2.46.zip".
Reboot Phone and tested with a root Checker from Playstore and -> Congratulations! Root access is properly installed on this device!
I'm in now way shape or form responsible for you bricking your phone. Do this at your own risk!
Sent from my SM-G900F using Tapatalk

Question about lg magna h-502f / prime plus br

This little phone, is giving me some headaches about a month, After kill O-Axys (my precious baby MOTOROLA X2 XT1097) I Went to a shop and bought this one, was the first time that I choosed a phone because of it's appearence, but his internal storage it's to small for me... (maybe because I made a downgrade of 32gb to 8/4free :crying but, the question is: I Want to know WHAT firmware VERSION of this Tiny "evil phone" has exploits to rooting... If is H-502 V10a, v10c, v10b, I'm using the software ver v10d-BRA-XXX, Kernel 3.10.54, and with this one, either king root and LG "Root-for-all" methods does not seems to work... And, I want to know too, who already was able to make root on it and how PLEASE ... :crying:
few observations:
on download mode SH command seems to be disabled when I try execute the command, or it just doesnt have permission to make it. When "Enter" is hit with the command, It just return an empty string started of a #, anyway, nothing was made...
psneuter does not have permission or get mmap() errors. I tried some manual job with debian, since that I have some knowledge on devel, age of Defy haha
Any try of getting an script or access to system folder or bin is rejected due to the "Only-read" default inputed permissions...
The kernel of this phone seems to be a little forseken or unknown for the community...
Someone have a way of exorcism for this phone? I'm really tired... And I'm a little afraid of get a brick, since that this phone does not have much "knowledge" inside developer communnity.
His name is Freud, yes, every phone that I handle, I put a name on it, *laughs*...
Freud's Status and Data
Manufactorer: LG aka "Life's Good".
Model: H-502F Dual SIM, not LTE.
Storage: 8gb + 2gb sdcard ( After give the 16gb sdcard to DSi... I confess that I was with a little sloth about format and switch the cards to get a few more space )
Rooted: Nope, waiting exorcism...
FIRMWARE: v10d-BRA-XXX
KERNEL: 3.10.54
MN: LRX21Y
Android VER: 5.0.1 (dafuq bro... we are at 5.1.1 LG seems to be stucked at 5.0.1 ¬¬ )
Brick counter: 0
Status: ALIVE, UP-TO-DATE, DAILY-USED
Hi, i have a LG Magna h500f with the same kernel and ROM ver. V20a-EUR-XX and I successfuly rooted it via Kingroot.
Geralt1232 said:
Hi, i have a LG Magna h500f with the same kernel and ROM ver. V20a-EUR-XX and I successfuly rooted it via Kingroot.
Click to expand...
Click to collapse
Did you install a custom Rom? If so, What is it? Thanks
No, i can't find anything.I think there is no custom ROM for this phone yet.
See here : http://forum.xda-developers.com/android/general/root-unlock-bootloader-install-twrp-lg-t3314696
Mine is H50f v10a... I did tried upgrading to v10d but cant be rooted so I downgraded it back...
Sent from my LG-H502 using XDA-Developers mobile app
Berong said:
Mine is H50f v10a... I did tried upgrading to v10d but cant be rooted so I downgraded it back...
Sent from my LG-H502 using XDA-Developers mobile app
Click to expand...
Click to collapse
How did u downgraded it?
Is there a orginall kdz for h500f ?
I cannot find.
Sent from my LG-H500 using XDA-Developers mobile app
http://forum.xda-developers.com/showthread.php?t=3312569 >>> i used this...
Sent from my LG-H502 using XDA-Developers mobile app
Yeah, the best way is downgrade to v10a that have root method, then try kingroot, install TWRP and remove king to put SuperSU
Hi. I was able to root v10d version using kingroot app but i took me 5 retries just to root it.
Sent from my LG-H502 using XDA-Developers mobile app
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Note 4 SM-N910G Not registering on Network

Guys i am creating this thread after searching everywhere but not getting solution about this issue which i am having with Note 4. By attaching pictures i may not be explain the problem so i uploaded it on youtube. Please devs help me as I have not been able to make it work after trying so many things.
Kindly check the video of issue which i am facing and guide me to resolve it please.
https://www.youtube.com/watch?v=fasDDzpffKs&feature=youtu.be
I check if IMEI is corrupt or something using PHONE INFO and there it showed the imei and i also check it on the back of phone and it matched.
Snapshots using phone info
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Hi, i am from Indonesia..
I think i have same problem with you.. My Note 4 N910G does not registered by any network providers since i've installed Stock ROM from INU. Last time till now i can't using SIM CARD into it and i'm using WiFi Hotspot, cause if i attaching SIM CARD, my phone will suddenly dead when looking for signals.
I hopes someone can explains about my problem, before i have to brings my phone to service centre.
Thx
jim50361 said:
Hi, i am from Indonesia..
I think i have same problem with you.. My Note 4 N910G does not registered by any network providers since i've installed Stock ROM from INU. Last time till now i can't using SIM CARD into it and i'm using WiFi Hotspot, cause if i attaching SIM CARD, my phone will suddenly dead when looking for signals.
I hopes someone can explains about my problem, before i have to brings my phone to service centre.
Thx
Click to expand...
Click to collapse
Its same here bro. Since phone is not registering to any SIM i have been just using as Tablet by connecting to WIFI only..
Devs kindly help. Suggest something to try regarding this problem please.
Some help plz
omarrph said:
Some help plz
Click to expand...
Click to collapse
I think that i will try to fixing from software first, maybe with flashing its modem or baseband file before i decides to fixing hardware sections ( about PA Chip).
Cause its happened after i've upgrading my phone with new updates firmware fom Sam Mobile.
But i hopes someone in this forum can gives a solution to solves this problem.
And well.. For while, we just satisfying with a new model, Samsung GN 4 ( wifi only) edition :laugh:
jim50361 said:
I think that i will try to fixing from software first, maybe with flashing its modem or baseband file before i decides to fixing hardware sections ( about PA Chip).
Cause its happened after i've upgrading my phone with new updates firmware fom Sam Mobile.
But i hopes someone in this forum can gives a solution to solves this problem.
And well.. For while, we just satisfying with a new model, Samsung GN 4 ( wifi only) edition :laugh:
Click to expand...
Click to collapse
Yeah in tried to fix if it was due to software, i tried to install official firmware Lollipop but it didnt booted. then i tried Marshmallow using Odin, Odin passed but didnt booted.. it was having continuous bootloops so again i reverted back to N910GDTU1ANK3_ODD1ANK3_India_v4.4.4_Repair_Firmware .. Phone is ON but with same issue.. Wired thing is that i am only been able to Install Philz touch recovery but anyother custom recovery like n910g-cwm-recovery-6.0.5.1(1101) or twrp-3.1.1-0-trlte.img are not booting into recovery...
Now as i am back to official 4.4.4. i tried to check using dialer code *#0011# ie of service mode. i am posting the image kindly tell me Guys if anything is wrong or something is preventing it from getting registered to network
when i am going to setting of my phone-->more network-->Mobile networks-->Network operators--> ( i can clearly see the network of my sim card over there)
but when i am trying to select it after sometime of registering on Ncell it says Unable to Connect
Guys please help..

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