Database Users

I lost my 3g signal can you help me to recover it? (Samsung galaxy y)

I lost my 3g signal can you help me to recover it?, the apn is ok. I dont know what happened!

:banghead:

getr99 said:
I lost my 3g signal can you help me to recover it?, the apn is ok. I dont know what happened!
Click to expand...
Click to collapse
I have the same problem, Not 3g at all, only EDGE, even my APN is right and full signal in my town. All my problem begun after flashed my SGY, i lost my 3g. Nobody yet has the solution of this issue, i dont know what to do.

Upgrade !
Just flash your phone if really necessary but if u will just upgrade through Odin , I Suggest you updating firmware via Samsung Kies or OTA(Over-the-air) Upgrade in Settings>About phone>Software update(You will sign in for a Samsung account so if you do not have a Samsung account,Sign up first)
I Just flashed my phone through Odin because i downgraded my DXLA1 Firmware to my factory firmware "DXKK4" , But i didn't encounter any problems as my 3G Network is still working . For me flashing through Odin is Scary for me but if you will study what will you prepare before you flash , Then u will success flashing
---------- Post added at 02:16 PM ---------- Previous post was at 02:15 PM ----------
getr99 said:
I lost my 3g signal can you help me to recover it?, the apn is ok. I dont know what happened!
Click to expand...
Click to collapse
rogerkdir said:
I have the same problem, Not 3g at all, only EDGE, even my APN is right and full signal in my town. All my problem begun after flashed my SGY, i lost my 3g. Nobody yet has the solution of this issue, i dont know what to do.
Click to expand...
Click to collapse
Just flash your phone if really necessary but if u will just upgrade through Odin , I Suggest you updating firmware via Samsung Kies or OTA(Over-the-air) Upgrade in Settings>About phone>Software update(You will sign in for a Samsung account so if you do not have a Samsung account,Sign up first)
I Just flashed my phone through Odin because i downgraded my DXLA1 Firmware to my factory firmware "DXKK4" , But i didn't encounter any problems as my 3G Network is still working . For me flashing through Odin is Scary for me but if you will study what will you prepare before you flash , Then u will success flashing

same here
rogerkdir said:
I have the same problem, Not 3g at all, only EDGE, even my APN is right and full signal in my town. All my problem begun after flashed my SGY, i lost my 3g. Nobody yet has the solution of this issue, i dont know what to do.
Click to expand...
Click to collapse
i also having same problem from updating my firmware.
please some body give solution to me please.

chejetikoti said:
i also having same problem from updating my firmware.
please some body give solution to me please.
Click to expand...
Click to collapse
Dial this number on your Dialer : *#*#1234#*#*
Anyways this won't harm your phone
Sent from my mom's GALAXY Gio using xda app

Haixt.. Me too..

jeffcleds said:
Haixt.. Me too..
Click to expand...
Click to collapse
review your apn settings. or there is a network problem

What's with the APN? I just set the network automatically. I received a messaged about the configuraton . I'm on the smart network. And i don't change any settings on the mobile networks

jeffcleds said:
What's with the APN? I just set the network automatically. I received a messaged about the configuraton . I'm on the smart network. And i don't change any settings on the mobile networks
Click to expand...
Click to collapse
Yeah me to dude . I fetching this problem after flash custom rom but dont really remember wich custom rom
Sent from my GT-S5360 using xda premium

try reflashing to stock official rom, odin..
and reflash your cusrom, if no work. try this..
goto settings->Wireless And Networks->mobile networks->Network operator->choose gsm/wcdma, .
if no work too, do a factory reset .
type this on phone : *2767*3855# (reset all settings)
i have no responsibility if this brick ur phone!!
Sent from my GT-S5360 using XDA

does gsm mode internet works .. ??
or only 3G is not working .. ??

NoeRie said:
Yeah me to dude . I fetching this problem after flash custom rom but dont really remember wich custom rom
Sent from my GT-S5360 using xda premium
Click to expand...
Click to collapse
chejetikoti said:
i also having same problem from updating my firmware.
please some body give solution to me please.
Click to expand...
Click to collapse
jeffcleds said:
Haixt.. Me too..
Click to expand...
Click to collapse
getr99 said:
I lost my 3g signal can you help me to recover it?, the apn is ok. I dont know what happened!
Click to expand...
Click to collapse
Did you updating to the latest firmwares of your regions ? I Flashed DXKK4 from DXLA1 last night but i tried using my 3G Network , No problems ...

Almost...
yusuv said:
try reflashing to stock official rom, odin..
and reflash your cusrom, if no work. try this..
goto settings->Wireless And Networks->mobile networks->Network operator->choose gsm/wcdma, .
if no work too, do a factory reset .
type this on phone : *2767*3855# (reset all settings)
i have no responsibility if this brick ur phone!!
Sent from my GT-S5360 using XDA
Click to expand...
Click to collapse
Happen to me yesterday, Cannot do 3g and SMS but Incoming and Outgoing call Works
I flash to Latest Samsung Official ROM (files from dorky and use odin)
Set your CSC by typing *#272*[your IMEI]#
Choose your network
then reset you phone to factory settings
Then flash again to your favotire rom!

pogs24ever said:
Happen to me yesterday, Cannot do 3g and SMS but Incoming and Outgoing call Works
I flash to Latest Samsung Official ROM (files from dorky and use odin)
Set your CSC by typing *#272*[your IMEI]#
Choose your network
then reset you phone to factory settings
Then flash again to your favotire rom!
Click to expand...
Click to collapse
i have been doing that for almost so many time, i cannot even count how many times i did it, i also tried different CSC and stock roms (from doky) and still i do not have 3g. I did also tried fully flashing my phone and up to now, no luck....:crying:

HELP! Samsung Galaxy S4 I9505 IMEI/BASEBAND.

Hello,
I bought Galaxy s4 about a month ago. SO I decided it to root with CF ROOT. I worked Fine, it rooted my device.
after a few days I saw that my device status is custom and I saw a solution of CHAINFIRE.(STATUS_MOD_OFFICIAL.tar)
When I used it my device status become still CUSTOM, So I decided to FACTORY RESET.
WHen I RESET My Device, after reset my s4 show IMEI Null, Baseband Unknown, No signal, No wifi connection...
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!

Adel080 said:
Hello,
I bought Galaxy s4 about a month ago. SO I decided it to root with CF ROOT. I worked Fine, it rooted my device.
after a few days I saw that my device status is custom and I saw a solution of CHAINFIRE.(STATUS_MOD_OFFICIAL.tar)
When I used it my device status become still CUSTOM, So I decided to FACTORY RESET.
WHen I RESET My Device, after reset my s4 show IMEI Null, Baseband Unknown, No signal, No wifi connection...
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!
Click to expand...
Click to collapse
Not sure if this will help but try once and did u have EFS backup ? of ur phone
http://forum.xda-developers.com/showthread.php?t=1264021

Adel080 said:
Hello,
I bought Galaxy s4 about a month ago. SO I decided it to root with CF ROOT. I worked Fine, it rooted my device.
after a few days I saw that my device status is custom and I saw a solution of CHAINFIRE.(STATUS_MOD_OFFICIAL.tar)
When I used it my device status become still CUSTOM, So I decided to FACTORY RESET.
WHen I RESET My Device, after reset my s4 show IMEI Null, Baseband Unknown, No signal, No wifi connection...
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!
Click to expand...
Click to collapse
Flash the Original Stock firmware of your country.

Disturbed™ said:
Flash the Original Stock firmware of your country.
Click to expand...
Click to collapse
But I bought s4 in qatar but I don't know where this samsung made can U tell me how to find where this is made of..? Plzz help

Adel080 said:
But I bought s4 in qatar but I don't know where this samsung made can U tell me how to find where this is made of..? Plzz help
Click to expand...
Click to collapse
Go to settings / more / about us scroll down as much as possible take a screen shot and upload some one will tell u which firmware to use as in ur case I m also not very sure abt using any firmware or the one came along
Sent from my GT-I9500 using xda premium

Ok please tell me FLASHING MY OFFICIAL STOCK ROM of country really works?!
Did Any one try..?

Adel080 said:
Ok please tell me FLASHING MY OFFICIAL STOCK ROM of country really works?!
Did Any one try..?
Click to expand...
Click to collapse
some users report that it worked (i doubt since efs partition is not included in the firmware)
try it, nothing to lose.
I9500 sold in Qatar are coming from UAE (if not mistaken). to be sure connect to Kies and see what are the last (3 letters) under phone firmware. i think it is (XSG).

samersh72 said:
some users report that it worked (i doubt since efs partition is not included in the firmware)
try it, nothing to lose.
I9500 sold in Qatar are coming from UAE (if not mistaken). to be sure connect to Kies and see what are the last (3 letters) under phone firmware. i think it is (XSG).
Click to expand...
Click to collapse
Thank You for the quickest REPLY.. Ok I'll try but whenever I connect with kies It won't detect any device Just CONNECTING..
And Mine one is international Version I9505. Any how THANK YOU ALL ONCE again. but is there any other way to check where this made.? without KIES?!

Adel080 said:
Thank You for the quickest REPLY.. Ok I'll try but whenever I connect with kies It won't detect any device Just CONNECTING..
And Mine one is international Version I9505. Any how THANK YOU ALL ONCE again. but is there any other way to check where this made.? without KIES?!
Click to expand...
Click to collapse
Oh, i see it is a I9505, so it is not from an Arab country.
Dial *#1234# and tell what is written
sent from my Galaxy

Hello guys.
I have a S3 i9300 that fell on water. Since then SIM cards are not recognized, IMEI is null/null and baseband is unknown, making my smartphone a simple multimedia player. I´ve been trying to find a way to fix this, can anybody tell me a way to fix this please?
Meanwhile I ordered a SIM/SD Tray replacement from Amazon but I bet that wont resolve my problem...
Thanks in advance

http://adel-al-milad.blogspot.com/2013/10/this-is-ultimate-solution-imei-galaxy.htm
Adel080 said:
Hello,
I bought Galaxy s4 about a month ago. SO I decided it to root with CF ROOT. I worked Fine, it rooted my device.
after a few days I saw that my device status is custom and I saw a solution of CHAINFIRE.(STATUS_MOD_OFFICIAL.tar)
When I used it my device status become still CUSTOM, So I decided to FACTORY RESET.
WHen I RESET My Device, after reset my s4 show IMEI Null, Baseband Unknown, No signal, No wifi connection...
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!
Click to expand...
Click to collapse
test this see the title of my reply

Badelhas said:
Hello guys.
I have a S3 i9300 that fell on water. Since then SIM cards are not recognized, IMEI is null/null and baseband is unknown, making my smartphone a simple multimedia player. I´ve been trying to find a way to fix this, can anybody tell me a way to fix this please?
Meanwhile I ordered a SIM/SD Tray replacement from Amazon but I bet that wont resolve my problem...
Thanks in advance
Click to expand...
Click to collapse
Your problem is PMIC U800

exprxp said:
Your problem is PMIC U800
Click to expand...
Click to collapse
Thanks for your input. But what is PMIC U800 and where can I get it?
Cheers

Badelhas said:
Thanks for your input. But what is PMIC U800 and where can I get it?
Cheers
Click to expand...
Click to collapse
PMIC U800 POWER SUPERVISOR
BGA element
Ask technical guys to replace for u, your IMEI will come back works 90% i have done hundreds like that phones.

exprxp said:
PMIC U800 POWER SUPERVISOR
BGA element
Ask technical guys to replace for u, your IMEI will come back works 90% i have done hundreds like that phones.
Click to expand...
Click to collapse
Will do, thanks a lot M8!

Flash with stock rom and your problems disappear
Flash with stock rom and your problems disappear

[Q] Note 3 not registered on network

So I got note 3 after a week or so I rooted it
But then give or take 3 weeks time
One morning I woke up and my phone was saying not registerd on network :/
I unrooted rooted unrooted rooted
I did factory reset I even sent it back to samsung
They sent me back after 2 weeks
Saying you damaged ur phone somehow
And we cant fix it
If we fix this its gona cost us more then the handset price can u realy beliv this :s
Anyway my point is my £500 gone in notime
So please all I ask is if anybody could help me fixing this tht wud b much appreciated
And whoz ever solution works im willing to donate £20 I promise
Regards

Check to see if you still have your imei or not... That's probably the reason, you lost your efs/imei...
If that's the case then if your made a efs backup like you should have,restore it. If not, try flashing stock.
Sent From My SM-N9005 To All You Wonder Nobodies!!

Khizar said:
Check to see if you still have your imei or not... That's probably the reason, you lost your efs/imei...
If that's the case then if your made a efs backup like you should have,restore it. If not, try flashing stock.
Sent From My SM-N9005 To All You Wonder Nobodies!!
Click to expand...
Click to collapse
nops the is not the case my imei is ok
I dunt understand the problwm myself :s
Whyyy

tambacto2 said:
nops the is not the case my imei is ok
I dunt understand the problwm myself :s
Whyyy
Click to expand...
Click to collapse
Did you test your sim card and make sure it is ok? Try to out this sim card into another phone and make sure it works? Put another gud sim card into your Note 3 and check if the problem still persist?
Dial *#0011# and check for the RX, TX value? Can you post this screenshot here?

Samsung is really crap with customer service

vndnguyen said:
Did you test your sim card and make sure it is ok? Try to out this sim card into another phone and make sure it works? Put another gud sim card into your Note 3 and check if the problem still persist?
Dial *#0011# and check for the RX, TX value? Can you post this screenshot here?
Click to expand...
Click to collapse
sry fr late reply here
Here the screenshoot

Anybody please

No Network neither
Hi everyone,
i got almost the same problem. My SM-N9005 was on the Standard TouchWiz Rom (4.3, rooted) when i updated to 4.4.2 via Kies and rooted it again.
Now my Phone shows me signal bars but tells me "Emergency calls only". I still have my IMIE.
I reflashed the stock ROM but that did not fix my problem sadly.
Hope you can help me!
UPDATE:
I reflashed the stock recovery once again and factory reset/wiped the data and now it somehow works again. Maybe that helps
UPDATE 2:
It seems like that was just working for a short moment, now after flashing the X-Note ROM (and Kernel) the "not registered in Network" message comes again though i got like 4 bars. The bars just are random somehow and jump up and down every few seconds.
Another Update:
While charging the phone (via PC or via the original Charger) i get a Message that it stopped charging because the battery temperature is too low. I Hope nothing went physically wrong?

your note 3 seems to be unlocked by SPT box or BST dongle
select wcdma/gsm or 3g/2g in mobile network and your network will connect
hope this helps:fingers-crossed:

Thanks for the reply, but my I bought my note 3 unlocked and new from my carrier and havent changed anything regarding the IMIE.
I was thinking about the modem beeing broke down while i updated to kitkat, and therefore flashing a new one. Any ideas on that?

No used all these solutions nothing :s

tambacto2 said:
No used all these solutions nothing :s
Click to expand...
Click to collapse
Did you update to 4.4.2 too? Because thats when mine stopped working. Maybe its the update that destroyed somehting, for the AT&T versions they had quite some problems as i read online...

tambacto2 said:
No used all these solutions nothing :s
Click to expand...
Click to collapse
If everything else fails try to write in Odin (or better yet in Mobile Odin Pro) just the modem - and aim for an older version, something like MI6 (present in MI7 firmware) or MJ1. With Mobile Odin Pro you MUST be on stock recovery and it will work perfectly first time, with normal Odin there are some reports that you might need to write it twice or something like that - search around.

xclub_101 said:
If everything else fails try to write in Odin (or better yet in Mobile Odin Pro) just the modem - and aim for an older version, something like MI6 (present in MI7 firmware) or MJ1. With Mobile Odin Pro you MUST be on stock recovery and it will work perfectly first time, with normal Odin there are some reports that you might need to write it twice or something like that - search around.
Click to expand...
Click to collapse
Tried that, had the same problems with the MI6, and with the MJ1 it got stock when i tried to unlock it...I was on the Xnote ROM though, Ill once again will try flashing the stock rom...

did you try another sim card ?

Sadly, the sim card works in my Note 2 without any problems... I think its sth that got physically destroyed somehow. When i plug it into the charger is says "stopped charging battery too cold"

vndnguyen said:
Did you test your sim card and make sure it is ok? Try to out this sim card into another phone and make sure it works? Put another gud sim card into your Note 3 and check if the problem still persist?
Dial *#0011# and check for the RX, TX value? Can you post this screenshot here?
Click to expand...
Click to collapse
tambacto2 said:
sry fr late reply here
Here the screenshoot
Click to expand...
Click to collapse
im in the same boat right now.
phone sent out for repair.
Ill keep you informed on what the issue is/was.

So i've send in my phone for repair after it didnt work again (no network), they did not find anything and send it back to me. Then it all of a sudden worked for like half a week (I flashed Xnote B.15 right away ) Now i have the same error again, it suddenly stopped working again though i did not install/change anything...
I hope someone gets a solution for that, else ill say goodbye Samsung and Knox and hello Sony/HTC or w/e my next phone will be...

RonnyMuh said:
So i've send in my phone for repair after it didnt work again (no network), they did not find anything and send it back to me. Then it all of a sudden worked for like half a week (I flashed Xnote B.15 right away ) Now i have the same error again, it suddenly stopped working again though i did not install/change anything...
I hope someone gets a solution for that, else ill say goodbye Samsung and Knox and hello Sony/HTC or w/e my next phone will be...
Click to expand...
Click to collapse
Mobiletechvideos.com
Phone. 657444jtag
Talk to josh.
I had the same problem.
He was able to fix it.
Let me know how it goes.
Sent from my SM-N900T using XDA Premium 4 mobile app

Thx, but sending it to the US for repair is a bit too expensive for me. Ill just try to get sth. from my insurance and then buy a different phone then.

[Q] [HELP] I think my cdma radio is downi'm

I'm having a big issue with my galaxy S4 I9505 with stock 4.4.2 the thing is when i turn mobile data i only get edge, and when i try to switch to 3g only mode i get emergency calls only, i'm freaking out because this happened just like 2 days ago, before everything was working just fine, the coverage is perfect here, i tried to factory reset i reflashed stock, i even tried cyanogenmod, still no luck .. i'd appreciate if u help me out with this.

objectd said:
I'm having a big issue with my galaxy S4 I9505 with stock 4.4.2 the thing is when i turn mobile data i only get edge, and when i try to switch to 3g only mode i get emergency calls only, i'm freaking out because this happened just like 2 days ago, before everything was working just fine, the coverage is perfect here, i tried to factory reset i reflashed stock, i even tried cyanogenmod, still no luck .. i'd appreciate if u help me out with this.
Click to expand...
Click to collapse
And when youre on the wcdma/gsm mode?
Only wcdma and only gsm at times causes a pain in the buttcrack.
Same with my voda here...
Sent from my Ozcan GT-i9500 using XDA mobile app

DeepankarS said:
And when youre on the wcdma/gsm mode?
Only wcdma and only gsm at times causes a pain in the buttcrack.
Same with my voda here...
Sent from my Ozcan GT-i9500 using XDA mobile app
Click to expand...
Click to collapse
even in auto mode, i tried everything i could try and i cant seem to find a solution for this, my guess is it's either a hardware problem but i dont know how could that happen.

objectd said:
even in auto mode, i tried everything i could try and i cant seem to find a solution for this, my guess is it's either a hardware problem but i dont know how could that happen.
Click to expand...
Click to collapse
@AntaresOne is the man for you.
Ask him.
Sent from my Ozcan GT-i9500 using XDA mobile app

@objectd
Hello,
I answer here to help also someone else in case has the same problem.
Fiest thing: you wrote CDMA module, what variant is?
The GT-I9505 has a LTE/WCDMA module, not CDMA.
Have you touched something with secret menu codes? If you don't know what they are, the answer is no
What carrier do you have?
Have you roaming enabled?
You data plan reduces connection after a total GBs used at maximum speed?
Try to flash latest available modem fw along with latest bootloader, you can find them here
Inviato dal mio GT-I9505

DeepankarS said:
And when youre on the wcdma/gsm mode?
Only wcdma and only gsm at times causes a pain in the buttcrack.
Same with my voda here...
Sent from my Ozcan GT-i9500 using XDA mobile app
Click to expand...
Click to collapse
AntaresOne said:
@objectd
Hello,
I answer here to help also someone else in case has the same problem.
Fiest thing: you wrote CDMA module, what variant is?
The GT-I9505 has a LTE/WCDMA module, not CDMA.
Have you touched something with secret menu codes? If you don't know what they are, the answer is no
What carrier do you have?
Have you roaming enabled?
You data plan reduces connection after a total GBs used at maximum speed?
Try to flash latest available modem fw along with latest bootloader, you can find them here
Inviato dal mio GT-I9505
Click to expand...
Click to collapse
Thank u for ur reply,
First you are right I'm talking about the LTE/WCDMA module, and yes i messed up a little bit the with the secret menu codes but only after i got the issue, not before that.
I'm from morocco so the carrier is a moroccan one called inwi, the carrier does not reduce the speed, when u consume the GBs given the service is suspended.
the issue appeared when i was using wanam lite 3.1 i'm using wifi at home all the time so i couldnt notice until i went out and used data, i noticed that i only have edge in locations that used to give me H+, so when i tried to force wcdma by choosing wcdma only i got emergency calls only.
i messed around before with a couple of bootloaders and modems, I still cannot figure it out
your help is appreciated, thanks in advance

I had the same problem on Wanam. What solved it for me:
Use Shortcut Master (lite) to go to this menu: 4636
Then go to phone information and change the bandwith to something else. Then set it back to LTE/WCDMA or whatever works for you. Strange but it worked for me.

Lennyz1988 said:
I had the same problem on Wanam. What solved it for me:
Use Shortcut Master (lite) to go to this menu: 4636
Then go to phone information and change the bandwith to something else. Then set it back to LTE/WCDMA or whatever works for you. Strange but it worked for me.
Click to expand...
Click to collapse
that didnt help either, i never had an issue that stubborn, i tried almost everything i could

objectd said:
that didnt help either, i never had an issue that stubborn, i tried almost everything i could
Click to expand...
Click to collapse
Get the network cable changed or change it yourself.
The only easy "non software" related solution.
Or maybe if it is in the software, tried flashing the stock rom or any ither custom rom after a full wipe.
Mine was with the stock rom but ozcan rom + data wipe has solved it..
Not i get H+ in only wcdma amd E/H+ in auto mode. (depending on the network area)
Sent from my GT-I9500 using XDA Free mobile app

How to reset ServiceMode menu settings???

I need help regarding the service menu, I think i messed sth up while i unlocked my phone for use in other operators... The phone was unlocked
However now when i have data activated i only get edge, it does not switch to hsdpa. please help i couldnt find any topic releated to this issue.....
Sent from my GT-I9505

which rom do you use?

foxger said:
which rom do you use?
Click to expand...
Click to collapse
i use the official rom downloaded from sammobile, v4.4.2 To be more specific: I9505XXUGNG8_I9505YXXGNH2_SEE

Have you changed operator? Do you have right settings on mobile network access point names?
Sent from my GT-I9506 using XDA Free mobile app

3857 said:
Have you changed operator? Do you have right settings on mobile network access point names?
Sent from my GT-I9506 using XDA Free mobile app
Click to expand...
Click to collapse
ap settings are correct, double checked already...

Berat1337 said:
ap settings are correct, double checked already...
Click to expand...
Click to collapse
Hi mate
Check your network settings/network mode make sure is set correctly , if so try to flash ( odin) a different modem ( or same) see if it help

MAX 404 said:
Hi mate
Check your network settings/network mode make sure is set correctly , if so try to flash ( odin) a different modem ( or same) see if it help
Click to expand...
Click to collapse
thx for your rep, my net mode is set as lte/wcdma/gsm... however, when i set it to wcdma only, on low signal areas the signal drops dramatically, because of freq. change, i keep flashing new modems in order to find the suitable one :/

Berat1337 said:
thx for your rep, my net mode is set as lte/wcdma/gsm... however, when i set it to wcdma only, on low signal areas the signal drops dramatically, because of freq. change, i keep flashing new modems in order to find the suitable one :/
Click to expand...
Click to collapse
Hi
that is an option is most likely a modem issue, you could also see what modem your country operator uses ( check in sammobile) and flas it to see if you get an impovement

Hi
that is an option is most likely a modem issue, you could also see what modem your country operator uses ( check in sammobile) and flas it to see if you get an impovement
Click to expand...
Click to collapse
I already had the newest rom/modem installed since it came out, now I am rolling back all of the modems available in order to find the proper one...

*bump*

I'm totally messed up with Service mode on samsung galaxy duos. Which caused not recognising any SIM. Help me out to reset everything to Service mode default. Thanks in Adv

@Iway76: You get a kudos for searching before posting, even though this isn't the right forum for you. I would recommend attempting to install a stock ROM using Odin, not Kies, and see if that helps. If that doesn't help, you may have to take the device in for service as you may have a hardware issue like mine, where the SIM card tray died while attempting to unlock the S4 - again - and it just was a coincidence that the hardware failed while working on the service menu unlock.