[Need Help] Samsung Galaxy A500 SM-A500f Not Detecting Sim Card - Galaxy E5, E7 Q&A, Help & Troubleshooting

my phone was working fine this morning.... i just flashed a kernel accedently and my phone stopped detecting sim card... i tried to factory reset my phone... but its not solved...please help me..its urgent

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I don't know how to back them up..?? i tried it but can't done it... i flashed a kernel by mistake and forgot to back up older one... now my phone is just like a tab without sim access

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i used flashify to flash kernel img through the mobile..... now i am looking for if someone have the same mobile and send me the original kernel image to i can flash it back and make my phone work again

my phone's imei and baseband files flashed or corrupted i think.. that's why it is stopped detecting sim card.....

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this is what i face when i connected my phone with mtk droid tools...

i got this message box when i enter an imei number and try to change.... now i don't know what that means???

i tried this code but nothing happen... i also installed mtk engineering tool app on my phone and tried to push new imei number but that is also not working...... now i am totally hopeless :/

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i told in my other post that my phone don't keep root access permanent...every time i root my phone but when i reboot this lost root access.... that is the actual problem i wanted to solve but i can't

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IMEI Unknown, Base-band Unknown, Please Insert SIM card

Hi everyone. I know this problem is well known, and Ive done hours and hours of search online and on XDA but none of the solutions worked or maybe i didnt do it right!
The problem, My friend have flashed a Custom frimware (Litning 6) and lost his IMEI and Baseband some how, they tell Unknown, and now he cant access his SIM or network, the phone doesnt really see the SIM at all.
Ive tried to use Chainfires APK to fix it didnt work, and the Hex stuff really made me dizzy out. didnt know how to use it really.
Ive tried to recover to EFS stuff but i think his EFS is trashed and he didnt back it up..
Tried flashing 2.3.3 stock rom and 2.3.4 no luck. still no baseband or IMEI..
Any suggestions? im out of luck and depressed
Why are you out of luck and depressed if its your friends phone?
If you dont know and understand how to recover these details I would say flash to a stock rom and take phone into a SSC and let them repair it for you.
Same thing happened to me, the phone eventually showed firmware emergency error so I just gave it to samsung service centre, they replaced the logic board etc and got it back 3 weeks later
http://forum.xda-developers.com/showthread.php?t=1269989&page=4
Sent from my GT-I9100
ill look those links,,, but can i use someones EFS folder to fix this?
Ive checked the links. i think noth bin and .bak files are bad. cuz he already tried messin with them.. XD need new nv_data
you said that he LOST his IMEI.If thats true,and by using a root explorer with root access you can look inside the efs file or mark *#06# and see if nothing comes up,then without a backup theres no way you will get the original back without sending it away to the service centre(personal experience) but when it come back heres a good backup method.Easy as to backup and restore.
http://forum.xda-developers.com/showthread.php?t=1308546
cooza said:
you said that he LOST his IMEI.If thats true,and by using a root explorer with root access you can look inside the efs file or mark *#06# and see if nothing comes up,then without a backup theres no way you will get the original back without sending it away to the service centre(personal experience) but when it come back heres a good backup method.Easy as to backup and restore.
http://forum.xda-developers.com/showthread.php?t=1308546
Click to expand...
Click to collapse
Basicly his SGS2 is not even capable of bring a paper weight cuz its too light (100g) lool.. what a bummer... ill try to find a shop to fix it with a box or something,, thanks all!
If you check your nvdata.bin and md5 you will see that, they modified the same day you lost your imei. So you have to return back to those baks and I don't think you can use another device's efs since your imei is hidden in that file.
Sent from my GT-I9100
bsglan said:
If you check your nvdata.bin and md5 you will see that, they modified the same day you lost your imei. So you have to return back to those baks and I don't think you can use another device's efs since your imei is hidden in that file.
Sent from my GT-I9100
Click to expand...
Click to collapse
thanks.. tried that, they are curropted. i sent my friend phone to hard ware repair shop, he claimed he have something called Samsung tools and box which can repair the imei! will see
new solution lounched Fix Repair unknown base banad I9100
Asansam ver 1.6.5 Released
-Fix Repair unknown base banad I9100
Note 1:
we add 3 Solution for this problem after you click Repair unknown baseband and select i9100,procedure start after finishing Solution 1 and phone restart check imei (with *#06#) if solution work you must see your phone imei if you see that you can cLick cancel and enjoy your revived phone if not click on continue and wait until solution 2 finished
do same like after solution 1 (*#06#) work on phone if you get good answer click cancel if not continue for starting last solution if it's not work too,believe me fellas check for hardware fault
Somehow this has happened to my phone, it is not even rooted, I flashed a newer firmware because I'm with bell mobility and they are still on 2.3.3, but that was over a month ago and just yesterday my phone stopped reading my sim card, and the IMEI and baseband are unknown.. I've tried a factory reset and to reflash the firmware, but it is still not working..
Now I cannot find the stock bell mobility firmware either to send it back..
has anyone figured out how to fix this problem? Or what could have caused it in my case?
looks like the service centre is the only option. Best to back up the EFS before tinkering with anything.
my GT-I9100 does this when I let it completely run out of battery power. I've only noticed it since flashing the ICS leaks but this may have been a problem before and I've not noticed.
When I plug the phone into the charger and start it up *#06# IMEI shows as unknown and *#1234# shows unknown modem, I have a small airplane mode symbol and occasionally, a no sim card error.
To fix this I have to let it take a charge for a while with the phone on - then reboot WITHOUT the charger cable plugged in. I probably have some kind of hardware fault but its not that important to me. I have an EFS backup, well I have a few backups here and there
happened to me a few days ago
http://forum.xda-developers.com/showthread.php?t=1526733

[Q] Survived from brick but i ve lost my IMEI

I tried to install the new version of CyanogenMod Snapshop but unfortunately afte the reboot of my LG G2 D802 the mobile phone bricked.
I read a lot around the Internet and finaly i succeeded to unbrick it. Th problem now is that i do not have IMEI (is null now). I read that there is one program that you can fix your disappeared IMEI but cannot work in my personal laptop. Do you know anything how to repair and fix my IMEI with my previous official IMEI (i have it in the box that i bought but i didnt have any backup of it).
Thank you
I am having the same problem. I was loading a milestone version of a rom and when it loaded after wiping there was no service whatsoever and everything is null. I understand it wiped the efs and I dont have a backup. I also understand that we can change the info back with the numbers off of the original box using dfa cdma tools. I have the program but my question is the 000000 code does not work when i try to unlock the phone. Anyone with any experience with this program that can help me to re write my meid???
bsbllfit7 said:
I am having the same problem. I was loading a milestone version of a rom and when it loaded after wiping there was no service whatsoever and everything is null. I understand it wiped the efs and I dont have a backup. I also understand that we can change the info back with the numbers off of the original box using dfa cdma tools. I have the program but my question is the 000000 code does not work when i try to unlock the phone. Anyone with any experience with this program that can help me to re write my meid???
Click to expand...
Click to collapse
Which program do you have?
Dfs CDMA tools
I don't have any personal experience with this, but I have done a ton of reading on this problem and it's become my biggest fear. From what I have gathered you have very very little chance of fixing this yourself. It most cases it goes back to the manufacturer. Can you tell us exactly how this happen?
I have no idea, i have been rooted for months and swapped roms like crazy. I wiped and installed a new rom and then it was getting no service so i tried to update profile and said it couldnt. Then check in the settings for the baseband and meid and unknown was shown across the board. Trying to figure it all out now!
I have had the same thing happen what cm did u install I had a d802 version on my ls980 restored it but now it will only accept a d802 modem and the signal is weak and drops out but it did show my ESN and imei and baseband again instead of unknown if I would have flashed it with a ls980 modem
Sent from my LG-D959 using xda app-developers app
Have you tried restoring a backup?
Sent from my dr87 v7 powered, Mahdified LG G2 (D801)
My problem started when I tried to update my LG G2 D8002 to the latest Cyanogenmod Kitkat Snapshop and i stuck in clockworkmod recovery loop after returning in CWM to take backup. I tried to connect it to my Laptop but i cannot have any access in my files via my laptop. The bad thing that i did is that i formated everything in my mobile (as you can see and my IMEI too) to make a clear installation of a new rom after the brick. When i entered my new ROM i realized that i have everything apart from my IMEI. So that i do not have any network-signal in my mobile but a connection to Wifi
The program Dfs CDMA tools and Octopus Box does not work in my desktop. (Any idea?)
Do you have any idea how to repair it? I read that there is a folder (nfs i suppose that encode inside the IMEI). So, if someone find this folder can upload it somewhere? Probably will find a solution to solve it.
i was solved problem with no imei :
make full buckup from TWRC in another LS980
restored that buckup in bricked phone (make first buckup on it, to know name of folder, and take to that folder buckup from work phone)
sorry for me English
http://forum.xda-developers.com/showthread.php?p=51430443
SPASuka said:
i was solved problem with no imei :
make full buckup from TWRC in another LS980
restored that buckup in bricked phone (make first buckup on it, to know name of folder, and take to that folder buckup from work phone)
sorry for me English
http://forum.xda-developers.com/showthread.php?p=51430443
Click to expand...
Click to collapse
Are you sure that this works in all devices of LG G2?

[Q] How to Restore IMEI?

Hello all, I tried the 4.4 nandroid from the development section which was supposed to update my 16gb phone to 4.4. The phone does in fact run 4.4 now but refuses to connect to any mobile networks and says the IMEI Is invalid. Upon going into settings and checking the status, the IMEI shows as unknown.
I have looked for a solution to this but I cannot get this phone into diagnostic mode no matter what I try. Can anybody guide me into fixing my IMEI? I am not trying to change the IMEI for a new one I just want to restore the original IMEI so the phone can work again.
Please help me.
nirtime said:
Hello all, I tried the 4.4 nandroid from the development section which was supposed to update my 16gb phone to 4.4. The phone does in fact run 4.4 now but refuses to connect to any mobile networks and says the IMEI Is invalid. Upon going into settings and checking the status, the IMEI shows as unknown.
I have looked for a solution to this but I cannot get this phone into diagnostic mode no matter what I try. Can anybody guide me into fixing my IMEI? I am not trying to change the IMEI for a new one I just want to restore the original IMEI so the phone can work again.
Please help me.
Click to expand...
Click to collapse
Here is describted, how to repair IMEI on Qualcomm Device:
http://cellphonetrackers.org/change-imei-number-snapdragon-device.html
Hi, i had the same problem.... i was get the Phone in Diagnostic mode Installing a Rom 4.2 Called NoriOS By REcovery...
//mega.co.nz / #!1MJRyDzS!CaXVaoap0GcwY6kGmZtaGoEKSNMsDXmk7Z5f3KZsq60 remove espaces
put in your SD and flash them... Remember Make a Backup of system and EFS.... When the flash are done goto Development Options and enter in Hardware test.. Plug Usb and you phone will connect in Diagnostic Mode... Well this metod work for me...
I fixed my imei but now i have a problem with sdcard because i flasshed stock rom.. with gqnc.. and now say SD card damaged and i cant install any apk.. any recovery...

samsung a510f not registered on the network

Hi guys I have a problem on my samsung a510f. the phone works properly it's just a bit of time has a problem! after a call placed loses the signal and says (not registered on the network) are forced to restart or put into airplane mode, but the next phone call the problem persists, I tried them all even with changing imei imei changer because I thought that the My iMEI was corrupt but nothing! I did downgrade from 6.0.1 to 5.1.1 but no, I put costom rom but the problem remains, can anyone help me? thanks
I forgot all this has started to happen when the phone was still the original was missing from the root I now had to do to change rom
guys no one can help me?
dont touch the IMEI stuff, you usually either make a backup of it or just stay away from it.
Look what baseband you have, and what bootloader, chances are sometimes they fail to flash, especially after a custom intervention.
I have only tried to change imei thought it was corrupt ... baseband and bootloader are fine....This problem I had since before I performed the root

samsung s7 edge lost imei info?

hi all
my partners s7 edge was running very slow so i flashed the stock firmware yesterday and now its lost IMEI information. i have followed guide on here and tried all 3 steps (reflashing rom etc) however whenever i try backing up EMS it fails saying there is no EMS file, she cannot make any calls as its not registering on the network. please can someone help with this???
rumel2011 said:
hi all
my partners s7 edge was running very slow so i flashed the stock firmware yesterday and now its lost IMEI information. i have followed guide on here and tried all 3 steps (reflashing rom etc) however whenever i try backing up EMS it fails saying there is no EMS file, she cannot make any calls as its not registering on the network. please can someone help with this???
Click to expand...
Click to collapse
Hey, I have the same problem, I guess that there's not solution yet.
Try here:
https://forum.xda-developers.com/showthread.php?t=3379516
Sent from my SM-G935F using Tapatalk
Do you a have a efs.img backup ? Or any kind of IMEI/EFS/RADIO backup ?
I had the same problem I flashed the stock ROM and somehow I lost my IMEI info, I tried everything and I was even thinking about buying a z3x box but then I decided to do a very risky move , I completely deleted all the EFS related files/info and reflashed again but now I was not able to boot because I always sent me to recovery mode saying that :
"E:Failed To Mount /EFS (invalid argument )"
Then all I did was installing TWRP and rooted my SM-G935F and then I placed my efs.img backup on my internal SD CARD and went on recovery launched the terminal and wrote this :
dd if=/sdcard/efs.img of=/dev/block/platform/155a0000.ufs/by-name/EFS
Then I wrote reboot and it finally my phone was booting and I recovered my IMEI and was able to use my phone normally.
This only works if you have a backup of your EFS, and even if you do is risky , but I did it because I lost all hope and was accepting the fact that my phone would just become a useless wifi only device .
So there is not a fix yet for this problem ?
I have a problem on my s7edge instead. If i have valid imei i'am almost always in emergency calls, and when the signal comes back does not go into mobile data connection. With the wi fi no problem.Can someone help me i'am going crazy.!
IMEI, Network Signal and Baseband is misssing
Re: IMEI, Network Signal and Baseband is misssing
IMEI, Network Signal and Baseband is misssing
Hi
I am ready to donate if any expert can help me to restore IMEI.
I am using SM-N9500 samsung note 8 model - hongkong version, i frequently change the roms.. when last time i tried to install a custom rom i lost IMEI. i am getting error like IMEI-unknown, baseband- unknown, no network and sim cards not working..
i tried installing stock rom, custom roms, it was installing successfully but only baseband, signal and IMEI are not working. i didnt even back up my EFS folder. So, kindly help me to get back my IMEI.
I have installed stock rom, still no IMEI. now i rooted my mobile and taken EFS backup. is it enough? if yes, pls suggest me the next steps. I also tried installing combination firmware, though is not working, installation was successful and also i am able to see the factory binary logo, after which it will switch off automatically and boot loops. everytime it will open factory binary and immediately it will switch off automatically..
Build number - R16NW.N9500ZHS4CRJ1

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