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gophone sim does not prompt sim unlock code

I have a weird issue, and was hoping that maybe someone could shed some light on what I am seeing.
I just got a used G1 on ebay, which I want to unlock. When I put an ATT GoPhone sim in and boot the phone, I am not prompted for a sim unlock code. It is not unlocked, I know the this as I do not connect to the ATT network at all and cannot modify any of the APN settings on the phone. I know that I need the prompt for sim unlock to actually unlock the phone. Fortunately, I just found an old international sim laying around and that one seems to trip the prompt for the sim unlock. My questions - why does the GoPhone sim not cause the phone to prompt me for an unlock code?
Thanks for your time.

Hmmm that is a good one. I used a normal att sim and it asked for the code, is it a older sim? Maybe one from the cingular days? To weird man.

the gophone sim is a new sim, just purchased and activated. I know the sim is okay, because I can use fine in another phone.
I have an unlock code on order. Hopefully, using my other sim to trigger the code request, I will be able to do the unlock. Hopefully, then, the gophone sim will work fine. I hope to post positive results back later.
thanks

Yea you can unlock it with any sim and switch to another and it will work. I know a few people on here use att gophone sims so you should be fine.

so I was able to sim-unlock the phone using a different sim.
I still have a real problem though - when I put the gophone sim in, I still find myself unable to connect. I even go to settings>wireless controls>Mobile Networks>Network operators and try to manually select at&t. When I do, it says "registering on at&t" for a while and then says "Your SIM card does not allow a connection to this network". Again, I know this sim works - I have been using it in another phone.
What do you think I am doing wrong?
Thanks

It sounds like something is ****ed up with the sim, even though it works for the other phone. Do you have any friends with att sims? Something really sounds off here and if it isn't sim related then I don't know what it could be.

will try to find someone with an AT&T sim, but I don't know what the deal is. I even tried an international sim (that should roam on t-mobile here), but I could not get that to connect. I have tried putting in a tmboile sim and that seems to be the only thing I can to talk to a network
As a side note, no APNs show under settings>wireless controls>Mobile Networks>Network>Access point names when I put non-tmobile sims in. When I add one, it still does not show up on the list.
arg

no more advise? any where else I can ask for help?
Thanks,
Ryan

uiucryan said:
no more advise? any where else I can ask for help?
Thanks,
Ryan
Click to expand...
Click to collapse
what rom are you using?

cyanogenmod 4.0.4, but the initial problem was being seen with multiple roms

thats odd because i thought he had the large apn file in his rom

david1171 said:
thats odd because i thought he had the large apn file in his rom
Click to expand...
Click to collapse
from what i read that is true - but I do not see them
to note I just loaded "The HTC ADP 1.5 CRC1 ROM" from
http://forum.xda-developers.com/showthread.php?t=538456 and still I cannot seem to connect to at&t

uiucryan said:
from what i read that is true - but I do not see them
to note I just loaded "The HTC ADP 1.5 CRC1 ROM" from
http://forum.xda-developers.com/showthread.php?t=538456 and still I cannot seem to connect to at&t
Click to expand...
Click to collapse
i'm sorry i do not know more about the apn side of things i have a tmobile contract so i don't have to worry about that. sorry

I will open a new thread as the thread title no longer accurately reflects the issue.
Thanks,
Ryan

There is a thread for ALL APN's in one of these dream forums. try that one, make sure you save the APN when you enter it to, dont just hit home or whatever.

crpercodani said:
There is a thread for ALL APN's in one of these dream forums. try that one, make sure you save the APN when you enter it to, dont just hit home or whatever.
Click to expand...
Click to collapse
I do click save and it does not show up on list.

FIXED!!!!
To note, I finally got connected to the At&t network.
Please see http://forum.xda-developers.com/showthread.php?p=4469651 to see how I finally got connected.
Thanks to those who helped

Network not registering

Every once in a while I would notice, when I unlocked my phone, it would say "Emergency Calls Only" as if I didn't have a SIM card in.
Everything would still work after that such as text messages and calls, so I just figured it was a weird issue with Cyanogen 6 RC1.
Starting today, I was getting that message every single time, and also a notification that I couldn't register on T-Mobile's network.
I got on T-Mobile's live chat help, and they said there's nothing wrong with the service in my area. The person also had me tell him the SIM card number to ensure they had the right one in their system, which they did.
After this, I figured it might still be because I'm running CM RC1 so I upgraded to RC3 and I"m still having the same issue.
T-Mobile's "my account" program is no longer set up, so I don't get the notification, but I still get the emergency calls message on the lock screen.
Also, I AM connected to the T-Mobile network, but it just won't recognize my phone.
I was wondering if anyone else had any insight...

Which radio are you using? Has it done this since upgrading from stock rom?

Yes I just had this similar issue yesterday and I'm on at&t. Also, everything on my N1 is stock.
Sent from my Nexus One using Tapatalk

I had the froyo radio but then I flashed the new Korean radio and it didn't help.
I did, however, pull out the old trusty G1 to have a working phone again. But when I started it up, it reported not having a sim card. Im going to go to tombile tomorrow to get them to test it. I'll report back in case someone else has the same issue.
Sent from my Nexus One using XDA App

You might try cleaning the SIM card contacts, they might be the culprit.

I went to T-Mobile and he confirmed it was the sim card. Actually he said it was fairly common for them to go bad. No charge and I'm working 100% now. Thanks!
Sent from my Nexus One using XDA App

I have not in my life seen a dead SIM card, it was a month ago that somebody was asking around the forums what and why. I was shocked
And T-Mobile says it's common.. lol wut?

Maybe the Nexus One eats them lol
Sent from my Nexus One using XDA App

[Q] Reception problem for Samsung Galaxy S

Going to send a donation to the site if this works as it'll save me money I would spend in a shop getting it fixed. I read the rules and did a search for a similar topic, but each one seemed to be slightly different from my situation, I hope this is the right area of the forum as I'm new to it.
The phone was brought from T-Mobile but I also have an O2 account that I use for work so would like to be able to switch between sims with ease. I'm a total newbie with Samsung, especially the way it works so treat my question as if you were answering a child
I'm on a mac and used the method posted on this site to unlock it and that worked (as far as I know), it said unlock successful etc but now the sim isn't recognized apart from it being on O2, and there is a symbol of a sim card with red around it and a blue circle with a line through it at the top where reception would be. What's even more worrying is that the original T-Mobile sim card is getting the same response as well.
Thanks a lot.

Try to hold it correctly as said Steve
Sent from my GT-I9000 using Tapatalk

Are you sure you fitted the sim card properly? Last month I had a blonde moment when I inserted the sim card the wrong way and wondered why I had no reception.
Also you might want to clean the contacts.
Sent from my Galaxy S using XDA App

You could also check you have network settings for O2 .
Suggest it may have failed to unlock if its not the settings .
Just borrow another network sim and try that same error on sim = not unlocked .
jje

JJEgan said:
You could also check you have network settings for O2 .
Suggest it may have failed to unlock if its not the settings .
Just borrow another network sim and try that same error on sim = not unlocked .
jje
Click to expand...
Click to collapse
I've tried that, but no luck. It says my sim isn't able to connect to that provider, despite it being an O2 sim that works perfectly on another phone. Or do you mean network settings that needs to be manually put into the phone?
icejagans said:
Are you sure you fitted the sim card properly? Last month I had a blonde moment when I inserted the sim card the wrong way and wondered why I had no reception.
Also you might want to clean the contacts.
Sent from my Galaxy S using XDA App
Click to expand...
Click to collapse
Hah, I actually read about a few people doing this as I was searching the net for a solution but I have put it in right. I even put it in upside down just to be sure I wasn't being an idiot.
Yo_oY said:
Try to hold it correctly as said Steve
Sent from my GT-I9000 using Tapatalk
Click to expand...
Click to collapse
?

Have you checked your APN settings in your phone?
To get to the settings section, follow this path.
Settings>Wireless and Network>Mobile Networks>Access Point Names
I was going to post a link to a site that has all the U.K carrier settings, but I need a few more posts to be able to do that.
Just do a google search for each mobile carriers APN settings and manually enter the information.
I'm not sure if this will solve your problem, but it's a good place to start.

Sim not recognized

I have an LG Revolution, 12 days old, rooted.
LAst night i plugged in my phone and it would not charge, after trying several chargers, i decided to do a hard reset. I do the hard reset and now the Sim card is not being recognized. When i turn the phone on, it is waiting for activation, I can't get any further than that. I took my phone to the verizon store and they tested out my sim card in another phone and it worked fine. I can't unroot my phone because superoneclick can't recognize my phone, I think I need to turn on usb debugging and change it to "internet connection" but I can't access those options because the sim card activation screen is the only thing it lets me do.
Any thoughts?
Thanks for any help

had this issue once before and just had verizon replace the sim card. According to them its a known issue with teh 4g phones after doing a factory restore. Just don't let them mess around with your phone after they do the swap and they won't notice/care if its rooted.

The guy at the store i went to put my sim card into his phone and it worked fine, would it still be the sim card?

I got a brand new sim card and it still is not being recognized, any suggestions?

keep trying to activate it and make sure your in a 4g area.

The closest 4g area is like 40 minutes away from me, I wasn't near a 4g area when I first had it activated either?

I had the same problem with my wifes, I has to call and they did some sort if data reset from their end, and it worked.
Sent from my VS910 4G using XDA Premium App

This worked for me. Take out SIM, power up and let it try to activate, put SIM back in and try it again.

I'm on my second Revo because of this issue. I did a factory restore and it wouldn't recognize the SIM. The Verizon store tried another card and ended up giving me a new phone. I've been very leery of doing another reset...

Patrick, thanks for the suggestion. Pulling the sim out and starting it and letting it try to activate, then shutting it off and putting the sim in. work for me, it got me to the "please wait while sim card is activate"
but my phone would just stay there forever and eventually tell me the sim was not supported on this device.
I called customer support, they told me they had to register that sim card number to my account. 2 minutes later i'm up and running!!!!
Thanks for everyones input.

Yes there's something really wrong with these phones. I'm on my third revo still having the boot up and sim issues. I might keep exchanging untill they give me a bionic.

I experienced this issue as will on my 1st Revo. They replaced the phone and declared it a 'bad' sim slot...no card would work.

My first factory reset ended up in several Sim cards being toast up at the VZW store. Turns out I had my phone on 3G only (to conserve battery). For this reason, I leave my phone on 4G Auto all the time, just in case.

rpatrick said:
This worked for me. Take out SIM, power up and let it try to activate, put SIM back in and try it again.
Click to expand...
Click to collapse
Just had this happen to me. Followed these instructions and it worked like a charm! This is a great phone but there are so many little bugs that need correcting...

ufkal said:
My first factory reset ended up in several Sim cards being toast up at the VZW store. Turns out I had my phone on 3G only (to conserve battery). For this reason, I leave my phone on 4G Auto all the time, just in case.
Click to expand...
Click to collapse
I have read about 5 threads where others had the same issues! I wanted to post a warning in the Dev threads but I'm afraid of being band.
---------- Post added at 01:26 AM ---------- Previous post was at 01:17 AM ----------
Just want to confirm that pulling the battery and SIM; placing the battery back in with out the SIM; trying to activate; pulling battery; putting both back in fixed my activation issue as well. Thank you very much.

zmhutchinson said:
I have read about 5 threads where others had the same issues! I wanted to post a warning in the Dev threads but I'm afraid of being band.
Click to expand...
Click to collapse
The main thing is that if you have clockwork mod installed DO NOT wipe in the about phone area! Only wipe data IN clockwork. Also just for safety I keep the exitrecovery.zip in my sdcard if it does get stuck looping into cwm.
Sent from my VS910 4G using xda premium

mtmichaelson said:
The main thing is that if you have clockwork mod installed DO NOT wipe in the about phone area! Only wipe data IN clockwork. Also just for safety I keep the exitrecovery.zip in my sdcard if it does get stuck looping into cwm.
Sent from my VS910 4G using xda premium
Click to expand...
Click to collapse
Yeah I learned the exitrecovery.zip trick today too.

your sim card does not allow connection to this network

My HTC Incredible S signal bar got cross and mobile say out service area.
When I manually try to select network it says 'sim card does not allow connection to this network'
I have installed 3,4 ROMs but same issue, tried different radios but same issue.
Also tried *#*#4636#*#* thing, turned off then on radio many times but no use.
Any help will be highly appreciated!
One thing to note is that I can connect GPRS/ EDGE and browse normally without any issue still it shows no signal, but when try to make a call it says out of service area.
Also when phone restarts it locks on to network showing signals. but as soon as i make call signals are lost.
Awaiting help..

have u put the back part (the part which u seperate the phone to remove the battery) together firmly? that happened to me and as soon as i clicked the case together it worked!
Sent from my HTC Incredible S using xda premium

Back cover is securely fixed, I have also cleaned the contacts of phone to back cover but still the same problem

awaiting help..

umartariq said:
My HTC Incredible S signal bar got cross and mobile say out service area.
When I manually try to select network it says 'sim card does not allow connection to this network'
I have installed 3,4 ROMs but same issue, tried different radios but same issue.
Also tried *#*#4636#*#* thing, turned off then on radio many times but no use.
Any help will be highly appreciated!
One thing to note is that I can connect GPRS/ EDGE and browse normally without any issue still it shows no signal, but when try to make a call it says out of service area.
Also when phone restarts it locks on to network showing signals. but as soon as i make call signals are lost.
Awaiting help..
Click to expand...
Click to collapse
Are you sure you have a SIM unlocked IncS? Sounds like it may be SIM locked.

tpbklake said:
Are you sure you have a SIM unlocked IncS? Sounds like it may be SIM locked.
Click to expand...
Click to collapse
+1 But I've never seen this before or else I'd help you out.
Sent from my Incredible S using xda premium

Sim card might have issues. Have you tried another one or sim in another phone?

Nonverbose said:
Sim card might have issues. Have you tried another one or sim in another phone?
Click to expand...
Click to collapse
I agree with this. I had this problem when i had to swap SIMs due to a plan change. Got a DOA SIM resulting in this guy's same symptoms.

itsbeertimenow said:
+1 But I've never seen this before or else I'd help you out.
Sent from my Incredible S using xda premium
Click to expand...
Click to collapse
Thank you all for the replies, BUT I have tried all 5 carriers available in my country. The behavior is same for all SIMs. I bought unlocked Inc S. There is no doubt that it is locked because this strange behavior occurred suddenly when i was using my phone as usual. No new application / ROM or anything else was installed. It just suddenly started this behavior.

I think I have to send my device to HTC. At first I was trying to resolve the issue with help of you guys because it has no warranty. I have to pay for all the repair costs.
Anyway please keep me updated if any solution is available.
I'll too inform when my phone gets repaired that what was the issue, which might help some one suffering from same problem.
Thanks!

hmm probably u shuld restore to stock b4 sending to HTC! better chance of fixing it?
Follow this guide!
http://forum.xda-developers.com/showthread.php?t=1359555

SOLVED
thank you all for the support
problem was that TELECOM REGULATORY AUTHORITY of our country blocked the set due to some misunderstanding, which was unlocked by them.

umartariq said:
thank you all for the support
problem was that TELECOM REGULATORY AUTHORITY of our country blocked the set due to some misunderstanding, which was unlocked by them.
Click to expand...
Click to collapse
HI
I have exactly the same problem than you
can you explain me how you solve it ?
Regards,

umartariq said:
I think I have to send my device to HTC. At first I was trying to resolve the issue with help of you guys because it has no warranty. I have to pay for all the repair costs.
Anyway please keep me updated if any solution is available.
I'll too inform when my phone gets repaired that what was the issue, which might help some one suffering from same problem.
Thanks!
Click to expand...
Click to collapse
so what was it?
---------- Post added at 05:44 AM ---------- Previous post was at 05:36 AM ----------
umartariq said:
thank you all for the support
problem was that TELECOM REGULATORY AUTHORITY of our country blocked the set due to some misunderstanding, which was unlocked by them.
Click to expand...
Click to collapse
what do you mean? so it was blocked by IMEI?

[Q][HELP] No Service after S-OFF & ROM installation
Hi,
I have a similar problem. My sister just bought a gently used Canadian Incredible S. It was unlocked and working fine on her carrier, Fido, but was running Gingerbread. Since the carrier doesn't offer this model, I decided to root it and install a custom ROM. I tried following THIS guide, but I rapidly ran into problems. I have to say it was my first time. First, the dev unlock failed with a simple "[ERR] Command error!!!" in fastboot. I did a search and finally realised my HBOOT was already at 1.13.0000 and that it was impossible to dev unlock. I also read that S-OFF was equivalent so I skipped the unlock and tried to flash the recovery, but that failed too. Then, I decided to skip Nonverbose's script and the RUU and use Revolutionary to S-OFF and install the recovery software. That worked so I installed Superuser, the ViperVIVO 1.3.0 ROM and did all the wipes. The phone works fine but it doesn't pick any signal. I flashed a new radio, the 11M, redid the APN settings and changed to WCDMA only with the secret code, but nothing works. I finally restored to the Gingerbread backup, but there still is no service. Any help would be greatly appreciated to understand and fix the problem.
Thank you!