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920i - no sim/no registered network after marshmallow update

Hi,
This is my first post but, I'm an avid lurker. I am having some issues with my girlfriends 920i. It received an OTA update to marshmallow and ever since it won't read the Sim card. I've tried to flash the official fw through Odin and still having the same problem. Because it doesn't read my Sim card, I have zero access to any mobile network settings.
I am wondering if when they updated the marshmallow, I lost unlock capability.
Also, her imei and sn still match. Most of the problems I see people have are mismatched numbers, and her phone seems fine.
Any help would be greatly appreciated.

So, I checked the firmware that I flashed and it was INS which seems to be the locked version.
I flashed the INU firmware this morning but still not reading my SIM.
I'm out of options at this point, I'm going to go back to lollipop and see how that goes.

Hi,
I am having this issue for my SM G-920I since 2/3 Jan, 2017. I am using fine on US Tmobile network since Oct 2015, but all of a sudden got the no SIM, emergency calls only and continues to stay like this.. I am curious to know if you resolved the issue and how. Thanks for any feedback!

Help me please
I'm having the same issue. Just flashed INS 6.0.1 firmware on my brand new G920I and now i can't get any mobile signal or data. Tried to flash ZTO firmware for my country, but same issue. My phone was fine before flashing INS firmware. IMEI it's fine too. Recovery shows: Applied multi-csc. What can i do? ((((((((((

Kyoo x said:
I'm having the same issue. Just flashed INS 6.0.1 firmware on my brand new G920I and now i can't get any mobile signal or data. Tried to flash ZTO firmware for my country, but same issue. My phone was fine before flashing INS firmware. IMEI it's fine too. Recovery shows: Applied multi-csc. What can i do? ((((((((((
Click to expand...
Click to collapse
Do you also see: " No SIM, Emergency calls only" after rebooting the phone? What's the baseband version ?

upengan78 said:
Do you also see: " No SIM, Emergency calls only" after rebooting the phone? What's the baseband version ?
Click to expand...
Click to collapse
Thank you so much for helping me. Baseband version shows: G920IDVU3EPIF
I see only Emergency Calls Only message

Kyoo x said:
Thank you so much for helping me. Baseband version shows: G920IDVU3EPIF
I see only Emergency Calls Only message
Click to expand...
Click to collapse
Try to connect to Wi-Fi only and once connected, check if there are updates for Software/Firmware.

upengan78 said:
Try to connect to Wi-Fi only and once connected, check if there are updates for Software/Firmware.
Click to expand...
Click to collapse
Already updated and tried to downgrade to 5.1.1, but no sucess. I don't think it's a hw problem, cause it was working before the INS firmware flash, and IMEI number still shows right, no matter what rom i flash (now on MIUI). Can i clean EFS partition and try to flash ZTO firmware again, or i might lost my IMEI and get more problems? Also, wondering if advanced wipe with everything checked on TWRP can help. (data, internal storage, system, sbfs, cache, dalvik cache)

Can you open the phone dialer and enter this code *#*#4636#*#* then clikc Phone Information, and send a screenshot of what you see in the screen (Make sure no IMEI in the screenshot, before you post it here) ? Also check if Radio is OFF or ON.

upengan78 said:
Can you open the phone dialer and enter this code *#*#4636#*#* then clikc Phone Information, and send a screenshot of what you see in the screen (Make sure no IMEI in the screenshot, before you post it here) ? Also check if Radio is OFF or ON.
Click to expand...
Click to collapse
Codes on my dialer doesn't work, but i'm sure the IMEI is right cause it's showing in phone information. Also, radio is on cause when i search for mobile networks the carriers of my country appears on the screen but when i click on then, just appears a message saying that can't connect

Same problem, any solutions?

I had same issue for over a year, you can check details in my thread, resolved by factory warranty motherboard replacement (free of charge, even thou knox was tripped when I bought it, and I told lady in authorised repair shop that i don`t have warranty).
Forgot to mention that I also tried to repair it via Octoplus box, both by me and some other people (wanted a second opinion), DRK fixed, few new certs written, etc.), not only by flashing fw via Odin or Smart Switch.
And I was 99% sure it was hw, turns I was right.
P.S. country dependable: - in some countries they will probably want to sell you a new motherboard in Samsung (happened to me), but in other factory warranty will be accepted (probably, if the phone is not older than 3 yrs I guess)

Wifi saved problem

I'm trying connect wifi, I write password (password is true, I'm sure) and phone says "Wifi Saved" but not connected wifi. I'm trying all roms but all says "wifi saved".
My phone is can see wifi, (I don't think my problem is on hardware, I think this is about software)
How can i fix this? How can i connect wifi? Please help me.
not: I'm living in turkey. but lg d850 is for usa operator AT&T (I guess problem about this but I don't know)
not2: I flashed 4.4.2 stock rom, isn't fixed. I flashed 5.0.1 stock rom, isn't fixed. I rooted my phone and install twrp, I install custom roms but every time phone says "wifi saved". My another devices can connect wifi but lg g3 d850 can't connect.
Please help me

fearlessinfantry said:
I'm trying connect wifi, I write password (password is true, I'm sure) and phone says "Wifi Saved" but not connected wifi. I'm trying all roms but all says "wifi saved".
My phone is can see wifi, (I don't think my problem is on hardware, I think this is about software)
How can i fix this? How can i connect wifi? Please help me.
not: I'm living in turkey. but lg d850 is for usa operator AT&T (I guess problem about this but I don't know)
not2: I flashed 4.4.2 stock rom, isn't fixed. I flashed 5.0.1 stock rom, isn't fixed. I rooted my phone and install twrp, I install custom roms but every time phone says "wifi saved". My another devices can connect wifi but lg g3 d850 can't connect.
Please help me
Click to expand...
Click to collapse
If your doing using lg flash tool or Referbish flash in LGUP and performed a factory rest from recovery and still have an issue it most definitely sounds like a hardware issue.
Have you tried connecting to a open wifi network or a different wifi network??
Sent from my iPhone using Tapatalk

hyelton said:
If your doing using lg flash tool or Referbish flash in LGUP and performed a factory rest from recovery and still have an issue it most definitely sounds like a hardware issue.
Have you tried connecting to a open wifi network or a different wifi network??
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
I tried 8 wifi network, everytime phone says wifi saved. If it is about hardware, how can i fix this? My phone doesnt have warranty. I buyed this phone in usa and i guess this phone doesnt have a repair service in turkey.
And my phone's imei number is clone, can problem be about this?

fearlessinfantry said:
I tried 8 wifi network, everytime phone says wifi saved. If it is about hardware, how can i fix this? My phone doesnt have warranty. I buyed this phone in usa and i guess this phone doesnt have a repair service in turkey.
And my phone's imei number is clone, can problem be about this?
Click to expand...
Click to collapse
If it's hardware you can't unless you take it somewhere to be repaired. You cannot fix hardware without taking apart the device and or replacing a part. If your imei is not original that has nothing to do with WiFi only cellular.
Sent from my iPhone using Tapatalk

Same Problem
Were you able to get it fixed? Im facing the same issue over her. Tried going back to factory stock aswell, 4.4.2, but the problem is still there.

daniyalkhalil said:
Were you able to get it fixed? Im facing the same issue over her. Tried going back to factory stock aswell, 4.4.2, but the problem is still there.
Click to expand...
Click to collapse
It's a hardware problem. Only fix is usually a board replacement. It's a common problem
Sent from my iPhone using Tapatalk

Its not a hardware problem because i am facing same problem but my hardware is correct and i started to face this problem after marshmallow update

Problem Solved
I have solved my problem.
This problem arrises due to installing custom rom and restoring qcn and it could not be solved by restoring back to stock etc.
Simple solution to that problem is
First you need to install any Marshmallow firmware custom rom fulmics etc.
Then go to hidden menu
1- on dial pad : *#546368#*850# (850 is for D850 and write for your model )
2- find and click SCV Menu it should be 3rd one
3-click on CRCWIZARD Test
4-click the tab Auto MID
5- uncheck IMEI in MID settings
6- click generate to generate your new MAC's
7- click MID write
8-Click Refresh to be sure that you changed MAC adress
9-Rebbot phone to take effect!
After reboot you will be able to connect any wifi without having wifi saved problem or connection failure

[Completed] Have signal but not registered on network

I have Samsung Galaxy S3 GT-I9300. When the google drive app was downloading from google play, my phone went off due to poor battery. Later when I tried to turn it ON, it has been getting stuck in the boot. So I decided to reinstall my custom ROM. Being busy with my baby, toddler, household chores and job, I gave it to my brother to flash the ROM. After a while, I noticed that my sim was bricked.
It says "Emergency Calls Only", has fake IMEI but working signal.
We did not backup the efs. I tried searching all the methods like modem installation, CSC, baseband verions, IMEI re-write, Kies Upgrade and Initialization, other people's efs restore, etc. But the problem is unchanged. Some of the followed method might have failed for not having proper knowledge like IMEI re-write tool works on specified chipset, etc.
What we noticed is that using different baseband version toggles from having network signal or no signal.
Kies shows more than four firmware versions and no other details like CSC, etc.
How do I clean up all these especially to have SIM working on my phone?
I appreciate you assistance to be brief and clear to understand steps than sending links. Because my time is stress-fully short.

Hi !
There is some confusing info in your post
What do you mean with it has fake IMEI " ? Have you changed it ?
You say that you have a working SIM on certain basebands , is this happening on a custom rom or stock ?
Have you tried to flash a stock firmware as I see that you tried to flash "your custom rom " ?
Cheers !

First of all, thank you for your response and interest to assist.
My mobile's IMEI is shown as 004999010640000 which is not original. Can you help me to change it to correct IMEI suitable for my Samsung S3 GT-i9300 chipset, if that helps in enabling sim to connect to a network? I think changing method only masks the IMEI?
I have tried flashing stock firmware and also Kies Upgrade and Initialization.
I have also changed baseband version installation on stock ROM too. I don't know which baseband is correct to keep.. for my country India or in the country where my mobile is manufactured, incase that's locking sim accessibility? Some baseband bought signal and detected the network operator name, but the message still says "Emergency Calls Only" and is unable to connect to a network.
I presume this problem arose when installing custom ROM from TWRP recovery and it messed up with efs partition?
I had successfully flashed custom ROM many times before without this problem. I think there's some next step to follow to bring back the working sim like I heard of installing modem. I did just try installing modem but same problem as my baseband is already bringing signal.
I had tested my phone from sim unlock app and found out that CSC is locked and it limited specified MCC and MNC numbers. Is this hindering connection to Indian mobile network? Or corrupt efs? Or missed to manually install something?

Bump.

Can't connect to any cellular network anymore SM-G920F

Hello, I can't connect to my local mobile network anymore.
So I can't call or receive phone calls.
I am in Latvia, Baltic region.
My imei is legit and working, so is my phone number.
When I search for my mobile network it finds it -LV TELE2, easy, but when I attempt to connect to it, it shows it 'can't connect to this network try later', when of course the network is working properly for other phones., and it is the network that worked before.
I happened after I flashed a custom lineage rom. It was the right rom for my device,
and I flashed it in correct order and all worked except mobile networks.
I thought using odin to flash back the stock rom will fix it, but it didn't.
Now I am back to stock 7.0 , flashed csc SEB version for my region.
Now in mobile networks there is only Lte/2g/3g options, why there is no gsm or vcdma mobile service?
I believe my provider is gsm, so how to restore it so I could call again?
It shows no service in the drawer, and can't connect to my carrier.
Any help is greatly appreciated, thank you ^_^)/

Had same problem after my motherboard was changed in some mobile repair shop and old imei and stuff copied from old motherboard. After flashing stock 7.0 with ODIN, I had same problem. Luckily repair guy added some certs back free of charge. Something to do with not being official Samsung repair place and not having right kind of tool.
Sent from my SM-G920F using XDA-Developers Legacy app

Thank you for your info. Then it must be possible to fix it with the right tools even at home! I am sure there must be someone who knows how to do it and can help me, and many others with the same problem.

When you tap *#0011# imei status is OK or NG?

Hello, I typed *#0011# and yes imei status is ok, more info - rat=gsm (2g), band=pgsm900 and reg status is = not registered.
So this couldn't be an imei problem, could it?
During this time, I tried many roms, nougat and marshmallow, official and custom, but none has fixed it yet.
I was thinking, flashing original galaxy s6 lollipop rom will definitely do the trick,
because I remember I had a similar problem with my old galaxy s plus phone,
it was impossible to connect to any mobile network on any rom,
until I flashed the oldest stock rom for the device.
But the problem is, I can't find a working download for a custom lollipop rom, they are extinct it seems,
and the official lollipop rom can't be flashed with odin, obviously, because I have a higher fw already.
Official lollipop would be the best and would show if the problem is software related for once and for all,
but how to install it when knox and all kinds of binaries doesn't allow me to flash it with odin?
Is there another way to do it?

No need for this anymore, never solved the issue.
I sold the phone.
Thanks anyways ^-^)/

Network not registered (samsung j7 sm-g610f)

Hello, i have been having a problem with my samsung mobile after i had flashed it with a new firmware. This was after it had stuck on samsung logo. When I flashed it it solved the problem but it brought about network not registered problem. Please could someone help me here, I will be greatful. I am running android 6.0.1 marshmallow
Thanks in advance.

Mrwaa said:
Hello, i have been having a problem with my samsung mobile after i had flashed it with a new firmware. This was after it had stuck on samsung logo. When I flashed it it solved the problem but it brought about network not registered problem. Please could someone help me here, I will be greatful. I am running android 6.0.1 marshmallow
Thanks in advance.
Click to expand...
Click to collapse
Verify whether your IMEI is still intact.
Go to:
system settings>about phone>status
or
system settings>about>status>information
or
system settings>about>information
Or whatever similar settings that you have, then check to see if your IMEI number is shown.
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS WHERE EVERYONE CAN SHARE

Thanks for your replies. Yes my IMEI is there but its not the same as it is on the back of the phone. However, the first time i flashed the stock ROM it was all the same but i still had this problem of Network not registered.

Mrwaa said:
Thanks for your replies. Yes my IMEI is there but its not the same as it is on the back of the phone. However, the first time i flashed the stock ROM it was all the same but i still had this problem of Network not registered.
Click to expand...
Click to collapse
Are you sure that you flashed the correct firmware for your specific model number?
Have you tried another SIM? If you had the SIM in when you flashed it, it might have damaged the SIM somehow. That might not be your issue but it's worth checking.
Maybe you have conflicting data from before you flashed it, in this case you can try bioting to recovery then factory reset and wipe cache then reboot.
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS WHERE EVERYONE CAN SHARE

Yes i used the exact firmware for my model as well for my country. I think i have done what you proposing already. And for trying a different SIM i did try it too. I am really helpless right now

Mrwaa said:
Yes i used the exact firmware for my model as well for my country. I think i have done what you proposing already. And for trying a different SIM i did try it too. I am really helpless right now
Click to expand...
Click to collapse
hi guys, did you find any solution? I have a sm-g610m, i boughted yesterday, flashed a stock rom, and now every time i need to make a call the message "Not registered to network" appears....

Hi guys I unrooted my sm-g610f then started getting not registered on network .I've tried many ways to deal with it even rooted it again the used z3x Samsung pro tool but it's still the same .I uprooted then updated the software to android 8.1.0 still the same issue..my security patch is 1 Feb 2019 ..IMEI is not the same as the one on the back please help