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[Q] “Your SIM card does not allow a connection to this network”

Yes, this old chestnut.
I realise that this problem is as old as Android itself, but it actually appears to be a bunch of different problems that manifest with the same symptom. I've tried all of the solutions I can find, and none of them seem to work.
I have an Orange UK branded Desire S that I recently acquired second-hand off eBay. To begin with, everything worked fine, but the phone hadn't been updated in a while so I applied all the OTA updates (3 in total), one after the other. After the first two it was also working fine, but after the third update it stopped connecting to the Orange network.
When I attempt to connect to the Orange network manually, I get “Your SIM card does not allow a connection to this network”. When I try the same SIM in another phone, it works fine. I unlocked the phone using a code and tried a Vodafone SIM, but that didn't work either. I've tried removing the battery overnight, no luck. I searched a IMEI database to see if it was blocked, and it isn't. I've tried repeatedly switching airplane mode on/off, which doesn't help. I've tried a hard reset, through the phone menu and also via the boot menu, without success.
When I type *#*#4636#*#* to enter the service menu, I can see that the phone is receiving a signal, so the antenna's working OK.
Now here comes the odd part. When I try to change the wireless band to 'WCDMA Only', it refuses to change and stays put on 'WCDMA/GSM' mode. It doesn't matter if I use the service menu or go through the 'Mobile Networks' settings, it still refuses to change.
I'm open to the concept of flashing a custom ROM, but I don't want to invalidate any warranty I may have unless that's the only option. I'd like to try flashing an RUU, but I can't find a suitable one. The only Orange ROM in this post appears to be French language:
http://forum.xda-developers.com/showthread.php?t=1002506
Any comments would be much appreciated. Thanks in advance.

Hi,
I'm having the exact same issue with a HTC Sensation 4G (T-Mobile) on stock ICS.
I bought this second hand phone and bring it back to Venezuela. The phone worked swell with local carriers but suddenly lost signal and got the infamous “Your SIM card does not allow a connection to this network” message.
I've tried every solution posted on the net with no results, leaving rooting as the last resort.
So, before I begin rooting my phone I just wanted to ask if you found any solution to this. :fingers-crossed:
Any help would be much appreciated! :good:

So,
I've rooted my phone. used HTCdev, juopunutbear, clockworkmod, installed Superuser and got super CID. Also, I called my carrier and checked that my IMEI was not blacklisted (just to be sure).
Messing around with the hboot I found something that I'm not quite sure what it means, in the SIMLOCK menu I found this message:
FAT32 init OK
Open MCCMNC file fail
Open CID file fail
Process done, reboot device?
<vol up> Yes
I've changed the CID to the original stock and got the same message. I don't know what it means and if it is related to my problem. I'm still using the stock rom (OTA ICS 4.0.3 T-MOBILE) planning to install OrDroid 9.0.0.
I really need some guidance over here. :crying:

FDM-X said:
So,
I've rooted my phone. used HTCdev, juopunutbear, clockworkmod, installed Superuser and got super CID. Also, I called my carrier and checked that my IMEI was not blacklisted (just to be sure).
Messing around with the hboot I found something that I'm not quite sure what it means, in the SIMLOCK menu I found this message:
FAT32 init OK
Open MCCMNC file fail
Open CID file fail
Process done, reboot device?
<vol up> Yes
I've changed the CID to the original stock and got the same message. I don't know what it means and if it is related to my problem. I'm still using the stock rom (OTA ICS 4.0.3 T-MOBILE) planning to install OrDroid 9.0.0.
I really need some guidance over here. :crying:
Click to expand...
Click to collapse
Hi
I occure almost the same problem with my HTC sensation XE
did you manega to solve it?

Caelen said:
Hi
I occure almost the same problem with my HTC sensation XE
did you manega to solve it?
Click to expand...
Click to collapse
Sorry to hear that. I'm still stuck with it.
I've flashed Ordroid 9.0 and the same error appears everytime I try to get signal from any carrier.
Someone told me that I should try flashing the radios or change my IMEI but I really don't know how to do it and I'm afraid I could permanently damage my phone.
Still waiting for fresh ideas to try.

Good news! (at least for me)
After I've tried almost all to solve the issue I took the phone to my carrier to get my sim card changed. they told me that someone has reported my phone as stolen in my previous carrier. So I went to the other carrier with my proof of purchase and they unblocked my phone IMEI right away.
If by any Chance you're having this same issue make your phone checked by your carrier for any kind of locks before messing with your phone.
Hope my experience will help any of you.
Sent from my HTC Sensation Z710e using xda app-developers app

No signals on HTC TP2 after factory reset

Hello Guys,
I have a HTC touch pro-2 from verizone with mighty ROM. It was sim unlocked and working fine on GSM (in India ) since last 1.5 year. I realized it has become very slow and I did a factory reset.
It wiped off all the data as expected but now when i insert my sim it dont show any signals I tried with diffrent SIM cards of diffrent providers but it keeps on serching for signals. I checked and found it is still SIM unlocked but still keep on serching for network.
Following are the deatails of my phone:
Radio version :1.96.00wf
OS Ver : 5.2.21889 (21889.5.0.87)
Manila ver : 2.5.20132227.0
ROM ver: Mighty ROM
ROM date : 06/20/2010
CPU QComm(R) 7600
Please let me know if any other info is required.
Before writing in here, I tried every possible way to find my answer in existing threads but could not.
waiting for some positive replies.
Thanks..

rishabhgzb said:
Hello Guys,
I have a HTC touch pro-2 from verizone with mighty ROM. It was sim unlocked and working fine on GSM (in India ) since last 1.5 year. I realized it has become very slow and I did a factory reset.
It wiped off all the data as expected but now when i insert my sim it dont show any signals I tried with diffrent SIM cards of diffrent providers but it keeps on serching for signals. I checked and found it is still SIM unlocked but still keep on serching for network.
Following are the deatails of my phone:
Radio version :1.96.00wf
OS Ver : 5.2.21889 (21889.5.0.87)
Manila ver : 2.5.20132227.0
ROM ver: Mighty ROM
ROM date : 06/20/2010
CPU QComm(R) 7600
Please let me know if any other info is required.
Before writing in here, I tried every possible way to find my answer in existing threads but could not.
waiting for some positive replies.
Thanks..
Click to expand...
Click to collapse
Are you using the correct radio. Sometimes flashing can reset the radio.

wizardknight said:
Are you using the correct radio. Sometimes flashing can reset the radio.
Click to expand...
Click to collapse
+1, someone just had the exact same issue, and he found that the radio had reverted to the WV instead of WU. Make sure you're still on an unlocked radio...

arrrghhh said:
+1, someone just had the exact same issue, and he found that the radio had reverted to the WV instead of WU. Make sure you're still on an unlocked radio...
Click to expand...
Click to collapse
Dear arrrghhh,
I am so thankful that you replied. I googled and checked a lot of pages on internet. It seems that my phone is security unlocked as it displays "SIM Unlocked" but the radio in my phone (1.96.00wf) is either works in US or a locked version of radio.
As my phone is already unlocked so I believe that I dont need to buy an unlock code again. I just need to upgrade the radio.
Is my understanding correct?

rishabhgzb said:
Dear arrrghhh,
I am so thankful that you replied. I googled and checked a lot of pages on internet. It seems that my phone is security unlocked as it displays "SIM Unlocked" but the radio in my phone (1.96.00wf) is either works in US or a locked version of radio.
As my phone is already unlocked so I believe that I dont need to buy an unlock code again. I just need to upgrade the radio.
Is my understanding correct?
Click to expand...
Click to collapse
Your phone should stay sim unlocked once it is unlocked. Try replacing the radio, and let us know.
Also you might have better luck searching here than on google for something this specific.

wizardknight said:
Your phone should stay sim unlocked once it is unlocked. Try replacing the radio, and let us know.
Also you might have better luck searching here than on google for something this specific.
Click to expand...
Click to collapse
Thanks for the kind advice Mr. wizardknight
Could you please suggest me which radio should I try. I dont want my device to be bricked.
Can I try 2.32.00WU?

rishabhgzb said:
Thanks for the kind advice Mr. wizardknight
Could you please suggest me which radio should I try. I dont want my device to be bricked.
Can I try 2.32.00WU?
Click to expand...
Click to collapse
You would have better luck asking in the sim unlocking threads. I am sure it is all probably covered there in the first post.

In need of major major help

I need some major help, good folks of XDA. I've purchased this HTC One S from a guy who got it from Fido; naturally it was locked to Fido. I was planning on giving it to my girlfriend who is with Telus. I used cellunlocker.net to unlock the phone to find out that it didnt work with Telus. It would pick up signal then lose signal, pick up signal and lose signal every 10 seconds or so. I thought if I put a custom ROM on it might get me signal so I unlocked bootloader, rooted and put Viper ROM on it but it turns out it still wouldn't pick up network on Telus. So I decided to try it on my network, Rogers, and it picks up network but only 2G!!! Now my One S has the stable CM10 on it with baseband 1.08ts.50.02.16_10.08e.50.04L, unlocked bootloader with s-on, hboot 1.06, radio - 0.16.31501s.02
Here are the solutions I have tried so far to this problem;
-Tried to install multiple RUU both with ROGER001 CID and Super CID:11111111 and I couldn't install any of the RUUs, kept getting Error 155 with Rogers RUU and Check CID errors with other RUUs.
-Used to have 1.13 hboot but downgraded to 1.06 so I could change basebands and everytime I flash a different baseband, nothing changes after reboot.
-There is a recent jellybean rogers ota update zip but I dont know how to install it
please someone help!!! Thank you in advance and even more if my problem ever gets solved

Wrong forum for this kind of question. Have you tried flashing the telus radio? Also modifying the build.prop with the telus settings might help. Odd that you're having that issue on Rogers since Fido is the same network. Sounds like someone may have sold you a dud...
Sent from my HTC One S using xda premium

alltubetone said:
Wrong forum for this kind of question. Have you tried flashing the telus radio? Also modifying the build.prop with the telus settings might help. Odd that you're having that issue on Rogers since Fido is the same network. Sounds like someone may have sold you a dud...
Sent from my HTC One S using xda premium
Click to expand...
Click to collapse
Just asking, why is this the wrong (forum) as you say cuz this forum handles all devices does it not and I don't see anything wrong with his post?

SuperCID lets you flash any RUU, that error is most likely down to the bootloader being unlocked so if you really want to run a RUU then you want SuperCID and the lock the bootloader then run the RUU and also before you start the RUU be in fastboot mode first.

Darknites said:
SuperCID lets you flash any RUU, that or is most likely down to the bootloader being unlocked so if you really want to run a RUU then you want SuperCID and the lock the bootloader then run the RUU and also before you start the RUU be in fastboot mode first.
Click to expand...
Click to collapse
I did fastboot oem lock before flashing and got the same results; rather frustrating

alltubetone said:
Wrong forum for this kind of question. Have you tried flashing the telus radio? Also modifying the build.prop with the telus settings might help. Odd that you're having that issue on Rogers since Fido is the same network. Sounds like someone may have sold you a dud...
Sent from my HTC One S using xda premium
Click to expand...
Click to collapse
is it possible for a dud phone to have only 2g working and not get 3g?

dpk0875 said:
I did fastboot oem lock before flashing and got the same results; rather frustrating
Click to expand...
Click to collapse
Try hex editing mmcblk0p23 .... There is a method here for flashing RUUs that is discussed in the development forum in the sticky for downgrading your bootloader.... Try the hex edit, and then lock and then flash.
You could also try flashing a different baseband radio. For Canada, I didnt get the best reception from 1.08. You can d/l new baseband radios either for your phones radio partition or for CM10 (which uses a different location). There is a thread with radios collected in them in the development section.
I would try flashing a different radio before the RUU... The RUUs will upgrade your bootloader and then you cant flash new radios and other partition on SENSE seperately (ie ROMS wont flash properly and you will need to fastboot the boot.img every time)...

Funny , I unlocked my Original Fido One S to use it on Wind and it works perefectly. It should work on Telus ...have you tried inputting telus apn and restarting the phone after?

[Q] Help repaire Radio after firmware error

Hello, seek advice from your mobile guru.
I bought a HTC INSPIRE 4G with version software 3.20.502.52_US
According to the instructions of one of the forums did downgrade to get s-off and lower insertion of the firmware version by mistake flashed the firmware on the Desire HD and Radio firmware died.
I repaired bootloader with RIF-BOX and flashed his native firmware. Unloked phone and S-Off whith XTC-Clip.
phone turns on but wrote a mistake network search.
If I try to search for networks it says "Error while searching for network"
If I click search automatically it says "Your sim card does not allow connection to this network"
if someone knows how to fix it please tell me !

SteelBreaker said:
Hello, seek advice from your mobile guru.
I bought a HTC INSPIRE 4G with version software 3.20.502.52_US
According to the instructions of one of the forums did downgrade to get s-off and lower insertion of the firmware version by mistake flashed the firmware on the Desire HD and Radio firmware died.
I repaired bootloader with RIF-BOX and flashed his native firmware. Unloked phone and S-Off whith XTC-Clip.
phone turns on but wrote a mistake network search.
If I try to search for networks it says "Error while searching for network"
If I click search automatically it says "Your sim card does not allow connection to this network"
if someone knows how to fix it please tell me !
Click to expand...
Click to collapse
If you think its a radio error, in the development thread there is a RADIO thread with links. just pick one. I dont know much about your issue.
Or it sounds like you have lets say ATT sim and trying to use it on different network. You could try another sim to see maybe if the sim is bad.

SteelBreaker said:
Hello, seek advice from your mobile guru.
I bought a HTC INSPIRE 4G with version software 3.20.502.52_US
According to the instructions of one of the forums did downgrade to get s-off and lower insertion of the firmware version by mistake flashed the firmware on the Desire HD and Radio firmware died.
I repaired bootloader with RIF-BOX and flashed his native firmware. Unloked phone and S-Off whith XTC-Clip.
phone turns on but wrote a mistake network search.
If I try to search for networks it says "Error while searching for network"
If I click search automatically it says "Your sim card does not allow connection to this network"
if someone knows how to fix it please tell me !
Click to expand...
Click to collapse
I don't think that is a radio issue. Have you tried a different sim card?

glevitan said:
I don't think that is a radio issue. Have you tried a different sim card?
Click to expand...
Click to collapse
Yes, I have many SIM cards, this is a problem with the phone itself than 100% software, but I was not able to solve it yet.

SteelBreaker said:
Yes, I have many SIM cards, this is a problem with the phone itself than 100% software, but I was not able to solve it yet.
Click to expand...
Click to collapse
Flash stock Ruu. That should flash the correct radio

glevitan said:
Flash stock Ruu. That should flash the correct radio
Click to expand...
Click to collapse
I flash stock Rom. Network not search.
Sent from my HTC Glacier using xda app-developers app

TP Passed its normal ?

no service

ive unlocked my htc and i went through the instructions and now my phone is saying no service
can a go back to locked to orange or a way to fix this

Have you tried the sim card in any other mobile phone?
Have you tried searching for network operators manually?

Jeanz Sensation said:
Have you tried the sim card in any other mobile phone?
Have you tried searching for network operators manually?
Click to expand...
Click to collapse
how do i search for network operators on cyanogen mod 10

blitz100 said:
how do i search for network operators on cyanogen mod 10
Click to expand...
Click to collapse
Never tried Cyanogen Mod so dont know but you should be able to find it if you search for it.
Generally you would find it under settings > mobile network settings > network operators
did you flash the radio as well?

Jeanz Sensation said:
Never tried Cyanogen Mod so dont know but you should be able to find it if you search for it.
Generally you would find it under settings > mobile network settings > network operators
did you flash the radio as well?
Click to expand...
Click to collapse
dont think i did.

Your last option is an ruu if you still can't fix the radio signal...
By the way, you should try this also:
Go to your phone app, type in *#*#4636#*#*
Go to phone information.
Scroll down and check that your radio is on. (I don't know why your radio would be off though)
Sent from my HTC Sensation

blitz100 said:
ive unlocked my htc and i went through the instructions and now my phone is saying no service
can a go back to locked to orange or a way to fix this
Click to expand...
Click to collapse
Please don't start multiple threads for help with the same issue. This seems to be a pattern with you.
You have started 2 threads on this issue and posted the question in at least 1 other thread.
I promise you that you will get more complete and better help with only 1 thread per question.