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No SIM card | Emergency calls only

Hi everyone,
I have bought a new Galaxy s6 from France (SFR but Sim-free), I tooked it home to Israel and put my sim card and all worked fine but in the version He havent Hebrew in language so I flashed the stock ROM official of Israel from sammobile.com and all worked excellent.
I was one day with the phone and bad surprise... after some hours, without I do something the phone give me a message "No SIM card | Emergency calls only". if I try to call it give me a message "No registred at network". I try to put another sim, i try to flash it back to stock rom of sfr, i try all wiping option and nothing.
What is the most strange is if pull out the sim tray (with a sim card) it give me a message "SIM card removed. Unable to detect you SIM card. Your device will restart tocheck for your SIM card".and if I pull it in it message me "SIM card added. Restart device to access mobile networks." so I believe the sim tray is ok...
Anyone can help me please?

This looks like you have not activated the region lock. When you buy any S6 or S6 edge it comes region locked. To unlock it you have to make a 5 min phone call using a sim from the region you bought it in. Once the call is made the region lock is removed. It does state this on a sticker on the side of the box of the phone.

But the phone worked perfrect at the start... it's normal?

I cant answer that issue sorry but all samsung phones now carry a region lock and have to be used in their region of purchase first.

i tried anything but the phone dont give any option to put code of unlock anywhere

Hey may be i can help...
Try this...
Step 1. At first you will need to get a foreign SIM card.
Step 2. Now turn off your device and Insert the SIM card.
Step 3. Turn on your device.
Step 4. Tap on the Dial pad and type here the code “ *#197328640#”.
Step 5. Now select these options step by step- “ [1] UMTS >> [1] Debug Screen >>
[8] Phone Control >> [6] Network Lock >> Options [3] Perso SHA256 OFF ”.
Step 6. Go back to your device home screen.
Step 7. Here you should see a “Network Lock” message, now you choose “[4] NW Lock
NV Data INITIALIZE“.
Sent from my A0001 using XDA Free mobile app

You can also bring your unit to local Israeli Samsung store for warranty repair.

The region lock does not require a code to be entered nor can a code be entered. Its automatic. When new you need to make a 5 min phone call with a sim card from the region you bought the phone then it unlocks automatically. For example I bought mine in the UK but am using it while working in saudi. Before leaving the UK I made a 5 minute call with my uk EE sim card. Phone now happily accepts my saudi sim card.

The same problem happened to me, I am Iran
I could not yet solved

One solution to this problem does not have a friend?

is happen to me too, i make the 5 minutes call in the UE. When i came back to argentina the phone read my countrry sim card at first. work well for a month and then happen the same thing. Any possible solution to this problem??

hi so i have same problem i try to change cert file but stay same problem

Same problem with my G920F! Used in the UK fine and then brought to the US with me where it worked fine for 2 weeks and suddenly doing this!
Have even tried using a UK Sim and still doesnt work!
Pleaseeeee someone help!

ploto for gsm said:
hi so i have same problem i try to change cert file but stay same problem
Click to expand...
Click to collapse
Try to unlock button
Or write different CERT
It depends on your use of the BOX

any ideas how to fix it? i have the same problem on my S6 Dual sim. 1 month works without any issues, but then 1st sim card doesn´t work, only the 2nd one

Artman4806 said:
any ideas how to fix it? i have the same problem on my S6 Dual sim. 1 month works without any issues, but then 1st sim card doesn´t work, only the 2nd one
Click to expand...
Click to collapse
Me too, same issue on dual Sim. It just stopped working on the second Sim, only first Sim is working now. I think hardware issue.
Sent from my SM-G920F using Tapatalk

Still no solution to this? I have same issue.

brenner650 said:
Still no solution to this? I have same issue.
Click to expand...
Click to collapse
have u guys tried reflashing firmware using odin???
Sent from my SM-G920I using Tapatalk

Same issue
Cyanandroid said:
have u guys tried reflashing firmware using odin???
Sent from my SM-G920I using Tapatalk
Click to expand...
Click to collapse
I have the same issue as above. The only difference is I still use the phone in Uk (O2 unlocked phone with Ee sim). After flashing another rom then returning to stock (but unbranded stock firmware, not the original O2 one) i lost capacity of giving / receiving calls / texts, some weeks later. Since then i tried flashing several stock roms (O2, Ee and unbranded) but i haclve the same issue. I wiped, advanced wiped with twrp reinstalled roms but same issue. I would appreciate a lot any advice.
---------- Post added at 09:00 PM ---------- Previous post was at 08:55 PM ----------
I forgot to mention: galaxy s6 g920f.

Cyanandroid said:
have u guys tried reflashing firmware using odin???
Sent from my SM-G920I using Tapatalk
Click to expand...
Click to collapse
Several fw, reinitialize through Smart Switch also did not help.

No Sim Card Galaxy S6 g920f

Hello guyz i have a sm-g920f galaxy s6 just bought 3 days ago second hand its been great i flashed the russian update from sammobile and flashed the custom kernel to root it i used it till today when i plugged it in my pc to transfer a movie and removed it suddenly it tells me "Sim card inserted.Restart" I restarted but it kept saying no sim card
now i tried different sim cards from different operators but still nothing flashed so many other firmwares and still nothing so guyz plzz help me if theres any solution to this problem i dont understand it if it is software or hardware :crying::crying:

awessyunus said:
Hello guyz i have a sm-g920f galaxy s6 just bought 3 days ago second hand its been great i flashed the russian update from sammobile and flashed the custom kernel to root it i used it till today when i plugged it in my pc to transfer a movie and removed it suddenly it tells me "Sim card inserted.Restart" I restarted but it kept saying no sim card
now i tried different sim cards from different operators but still nothing flashed so many other firmwares and still nothing so guyz plzz help me if theres any solution to this problem i dont understand it if it is software or hardware :crying::crying:
Click to expand...
Click to collapse
could possible be a blocked IMEI!!!!!!!!!!!!!!!!

Reflash stock 5.1.1 ROM via odin to solve your problem.

I already did that and nothing it just keep saying No sim card

awessyunus said:
I already did that and nothing it just keep saying No sim card
Click to expand...
Click to collapse
Did you make sure it wasn't stolen?

Please help .... I have a similar problem.
The SIM card it is inserted in the phone, but the phone still writes: Please insert SIM card
The SIM card is new and in the other device is functional.

Please help .... I have a similar problem. Writes that: No SIM card plugged in.

Please help

try checking csc via phone info.

Any fix to this?? I've just gotten the same problem on mine! Thought it might have reverted back to the region lock as I am now using a USA sim card and started off with a UK sim card. Just ordered a new UK Sim to see if inserting that one will fix the issue

Please .... Solution
Same problem here... No sim card.

mates81 said:
Please help .... I have a similar problem.
The SIM card it is inserted in the phone, but the phone still writes: Please insert SIM card
The SIM card is new and in the other device is functional.
Click to expand...
Click to collapse
12890 said:
Please help .... I have a similar problem. Writes that: No SIM card plugged in.
Click to expand...
Click to collapse
amber12129 said:
Any fix to this?? I've just gotten the same problem on mine! Thought it might have reverted back to the region lock as I am now using a USA sim card and started off with a UK sim card. Just ordered a new UK Sim to see if inserting that one will fix the issue
Click to expand...
Click to collapse
I had this issue with my first Galaxy S6... I went into the three shop and checked my sim and that worked with another phone, but my phone would not accept any other SIM card. I was told to send to Samsung for repair, luckily I was in my 30 day amazon exchange period so I just sent back to supplier and bought a new one.

Same poblem here.. When i insert sim card, the phone restart and when enter in Android show message... "Error occurred while unlocking network... Network unlock code block".... Its a Japan Docomo network.. U think that can resolve it with a subsidy code? To unlock a sim?

Solution needed urgent
Hello everyone till now their is no solution anyone can help plz reply,
i tried to unlock by z3x box pro, octopus box and spt box with no solution, even try to change CSC, rooting, reflashing the same problem still!!! . any solution?????

..same problem here, did anyone managed to fix this?

Also got this problem. Woke up randomly and now it just says no sim card no matter what i try to do.

does any of you have also missing mobile networks menu?

Yes missing my network menu same issue
---------- Post added at 09:44 PM ---------- Previous post was at 09:40 PM ----------
Any solution for this problem ...
Check my sim jacket by checking hardware
Reinstall many fw with odin even with twrp
Imei is OK efs OK im from Pakistan

This is what did the problem this sim problem appears days after doing this
1 flashing other rom model on different model like XEF on BTU...
2 updating android OTA failed
3 flashing with smart switch
Its not stolen its the g920f is the problem its sucks dude
If you dont have backup for efs folder and radio folder you need to fix it with octoplus box if you have warranty take it to samsung or if not visite repair place and ask for octoplus compatible with s6 but
This is what you get
1 Working sim
2 signal drops time to time mybe disconnected during calls am sure you get disconnected because i have
3 flashing stock you get stuck in bootloops
And if some one ask you about s6 the answer is dont say s6 its s sucks
Enjoy samsung junk smartphones

you mean the stock firmware cant repair my Efs and we need to fix it by octoplus box ? but here is not the problem of efs. my phone showing exect imei and s/n everytime...

A little help on getting telephony back,please! "No SIM card detected" ("SOLVED")

A little help on getting telephony back,please! "No SIM card detected" ("SOLVED")
Hi all !
I've got a Mate 7 09 that was on B121, I flashed stock B127 from Huawei's USA site to get rid of my operators rom, and it was fine, after that I flashed stock B137 KK, B308 LP and B317 LP.
But after flashing B137 I didn't use my device for callings nor anything as a phone, my SIM card was in another device. I was just trying LP so I didn't noticed it had no telephony signal because it can not read/detect the SIM card. Once I put in my SIM card the device couldn't detect it. It says "No SIM detected" No SIM card is detected. I've tried several ones.
What can be wrong? I've tried factory reset, rolling back to KK to B127 which worked the first time, factory reset again, and it's still the same. "No SIM card detected"
What can be so wrong?
Now I got a Mate 7 from a friend and it's in the same state as mine originally was. So I had the idea to get TWR on both, make a backup of the working device and flash it into mine.
I'm in that process.
What do you think is causing this problem? Modem drivers? Baseband? (Right now both have the same baseband number)
Anything to do with customization packs? I've seen several in a system folder called "HW"
I wish you and all you guys here could help me. Thank you in advance!
Any help or advice is welcomed!
- L.

Sw33t_Lov3r said:
Hi all !
I've got a Mate 7 09 that was on B121, I flashed stock B127 from Huawei's USA site to get rid of my operators rom, and it was fine, after that I flashed stock B137 KK, B308 LP and B317 LP.
But after flashing B137 I didn't use my device for callings nor anything as a phone, my SIM card was in another device. I was just trying LP so I didn't noticed it had no telephony signal because it can not read/detect the SIM card. Once I put in my SIM card the device couldn't detect it. It says "No SIM detected" No SIM card is detected. I've tried several ones.
What can be wrong? I've tried factory reset, rolling back to KK to B127 which worked the first time, factory reset again, and it's still the same. "No SIM card detected"
What can be so wrong?
Now I got a Mate 7 from a friend and it's in the same state as mine originally was. So I had the idea to get TWR on both, make a backup of the working device and flash it into mine.
I'm in that process.
What do you think is causing this problem? Modem drivers? Baseband? (Right now both have the same baseband number)
Anything to do with customization packs? I've seen several in a system folder called "HW"
I wish you and all you guys here could help me. Thank you in advance!
Any help or advice is welcomed!
- L.
Click to expand...
Click to collapse
check on settings/about phone: if bandbase is "unknown" then problem is not related with sim card, but modem is missing. That happened with me many times with samsung note 2 when i flashed the wrong rom

pasil.pt said:
check on settings/about phone: if bandbase is "unknown" then problem is not related with sim card, but modem is missing. That happened with me many times with samsung note 2 when i flashed the wrong rom
Click to expand...
Click to collapse
The modem is not missing, the EFS folder may be corrupted.
Verstuurd vanaf mijn HUAWEI MT7-L09 met Tapatalk

It was the SIM card reader. It's damaged.
pasil.pt said:
check on settings/about phone: if bandbase is "unknown" then problem is not related with sim card, but modem is missing. That happened with me many times with samsung note 2 when i flashed the wrong rom
Click to expand...
Click to collapse
gee201201 said:
The modem is not missing, the EFS folder may be corrupted.
Verstuurd vanaf mijn HUAWEI MT7-L09 met Tapatalk
Click to expand...
Click to collapse
Thank you guys for your kind help.
It looks like after all I could restore the baseband number and other customization from my original operator (I did it with this little steps, and getting the /cust contents from a Mate 7 from a local friend), but it's still not working.
So I checked the SIM card reader with a flashlight and it seems to be damaged, I can't see all of the 6 golden terminals/pins, whereas in my friend's Mate 7 they are easy to spot.
That must be the problem, there's no other possible explanation.
I'll order a SIM card reader replacement from Ebay to fix this problem.
Thank you all! I've learned a lot in the process. Ha Be very careful when you insert and extract your SIM card!
- Leonardo.

"Invalid SIM card" issue

Hi, i've a problem with my htc one e8 sprint.
it's unlocked and until two days ago all works good.
Sunday morning i 'found' the message "Invalid SIM card. Contact Customer Care" and the GSM network works only for emergency call.
If i remove the sim the "no sim found" error was raised but when i insert it again the error change in "invalid sim card".
I try the SIM in another phone and it works. I also try another working sim in this phone but the same error is raised.
I try to flash another old backup images via TWRP (android 5 and android 4.4) but the error was the same.
i check the IMEI with imei.info app and it seems to be unlocked.
when i change the network Type in screen "Telephone Info" (reachable via *#*#4636#*#* code in dialer) nothing happens.
now i'm using the ViperOneM8 rom and it works good for 4 months.
any ideas?
may be the radio hardware defective?
thanks for all your help.
have a nice day.

[SOLVED] invalid SIM card
fulrosa said:
Hi, i've a problem with my htc one e8 sprint.
it's unlocked and until two days ago all works good.
Sunday morning i 'found' the message "Invalid SIM card. Contact Customer Care" and the GSM network works only for emergency call.
If i remove the sim the "no sim found" error was raised but when i insert it again the error change in "invalid sim card".
I try the SIM in another phone and it works. I also try another working sim in this phone but the same error is raised.
I try to flash another old backup images via TWRP (android 5 and android 4.4) but the error was the same.
i check the IMEI with imei.info app and it seems to be unlocked.
when i change the network Type in screen "Telephone Info" (reachable via *#*#4636#*#* code in dialer) nothing happens.
now i'm using the ViperOneM8 rom and it works good for 4 months.
any ideas?
may be the radio hardware defective?
thanks for all your help.
have a nice day.
Click to expand...
Click to collapse
hi,
the SIM seems to be locked again. the hardware is OK.
i solve the problem with the following steps:
1) backup current rom via TWRP.
2) reinstall the RUU version 2.32.651.11.
3) Unlock the sim again with the method in the thread named:
Getting SPC Unlocking SIM M9 SPRINT [NV]
found at :
http://forum.xda-developers.com/sprint-one-m9/general/nv-unlock-sim-t3314755
it works with my HTC ONE E8 Sprint!
4) Flash again TWRP 3.0 and supersu via WinDroid 3.1
5) restore previous backup made in step 1
The only mystery is :
Why the SIM locks 'alone in the night' without 'strange' operations like flash kernel or some other apps?
hope this can help someone.
have a nice day.

Huawei Shotx ath-ul01 sim problem.

hi reader. its been almost 1 month since i bought a second-hand Huawei Shotx ath-ul01. when i bought, it was on android 5.1.1, EMUI 3.1. and update was pending for android 6.0 . On first 5 to 6 tries it did not update and ended with error. and when it finally updated successfully it was unable to read both sim cards. and after rollback it even got worst . now when ever i insert a sim card it asks for PUK code and doesn't even accept the real PUK code for my SIM card. i have also tried changing SIM card but the problem is same wit every SIM. Please some one help me through this. i'll be very thank full.
HOPE TO HEAR BACK FROM YOU SOON!

Has the device been rooted ever before?
If you have not any better idea, try to perform a factory reset(wipe data) + wipe cache partition after a full backup. Good luck to you.

James_Watson said:
Has the device been rooted ever before?
If you have not any better idea, try to perform a factory reset(wipe data) + wipe cache partition after a full backup. Good luck to you.
Click to expand...
Click to collapse
I have literally tried every single thing form factory reset to trying flashing other firmware, but all in vein. some people it might be country lock or something. i wish you could help me batter.
also im unable to unlock the boot loader but the huawei website is not working . :crying: plz help i dont want my phone to just end like this.

hamxa_zon said:
hi reader. its been almost 1 month since i bought a second-hand Huawei Shotx ath-ul01. when i bought, it was on android 5.1.1, EMUI 3.1. and update was pending for android 6.0 . On first 5 to 6 tries it did not update and ended with error. and when it finally updated successfully it was unable to read both sim cards. and after rollback it even got worst . now when ever i insert a sim card it asks for PUK code and doesn't even accept the real PUK code for my SIM card. i have also tried changing SIM card but the problem is same wit every SIM. Please some one help me through this. i'll be very thank full.
HOPE TO HEAR BACK FROM YOU SOON!
Click to expand...
Click to collapse
to what build number you Rollback?

build number right now is -- ATH-AL00C92B190 -- with this build i can use only second sim with 2G, and with ATH-UL01 i cant even use second sim.

hamxa_zon said:
build number right now is -- ATH-AL00C92B190 -- with this build i can use only second sim with 2G, and with ATH-UL01 i cant even use second sim.
Click to expand...
Click to collapse
now somhow i managed to install ath-ul01 but the problem still exist. now i think i just have to flash modem.img somehow, but i cant do that, my bootloader is unlocked but i cant perform any command related to MODEM. like FASTBOOT ERASE MODEM or FASTBOOT FLASH MODEM MODEM.img these commands wont work.
system related commands work like a charm.