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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
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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
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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
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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
I Get no Cell Service on this phone anymore but get Basehand & IMEI it saids Disconnected because Service is unavailable when I go under About Phone then Network Operator Name = Unknown, Signal Strength = 0, Mobile Network Type =Unknown, Service State = Out of Service... Any help will be much Need Thank's!! Will be willing to Donate a few Paypal Bucks if can be fixed....
inick73376 said:
I Get no Cell Service on this phone anymore but get Basehand & IMEI it saids Disconnected because Service is unavailable when I go under About Phone then Network Operator Name = Unknown, Signal Strength = 0, Mobile Network Type =Unknown, Service State = Out of Service... Any help will be much Need Thank's!! Will be willing to Donate a few Paypal Bucks if can be fixed....
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Click to collapse
First, try manually connecting to your carrier. Settings -> Mobile Network -> Network Operators -> Search Networks
That will take a minute and then display a list of carriers networks you can connect to. Choose the one assigned to your SIM and see if that works.
ess.boyer said:
First, try manually connecting to your carrier. Settings -> Mobile Network -> Network Operators -> Search Networks
That will take a minute and then display a list of carriers networks you can connect to. Choose the one assigned to your SIM and see if that works.
Click to expand...
Click to collapse
I tried that doesn't let me click on it
Are you sure the SIM card is working and inside properly? Maybe try taking it out, blowing out the slot, wiping the card with rubbing alcohol and putting it back in.
ess.boyer said:
Are you sure the SIM card is working and inside properly? Maybe try taking it out, blowing out the slot, wiping the card with rubbing alcohol and putting it back in.
Click to expand...
Click to collapse
Works fine on my infuse and dad sim doesn't work on it either so idk
I tried what you said about blowing on the sim card slot for a few minutes and it showed up for like 3secs as att and umts
Might need to have the sim reset up with the phone since its lte and the infuse is not , seems like the network will recognise what ph the sim is in and may adjust idk for sure just a thought , or try to reinstall the software and see what happens.
Bigtjmc said:
Might need to have the sim reset up with the phone since its lte and the infuse is not , seems like the network will recognise what ph the sim is in and may adjust idk for sure just a thought , or try to reinstall the software and see what happens.
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thanks I tried it twice & my phone is set up for LTE 5GB Plan & they resetted it up Already
Might be a dumb question but is the network turned on in settings ? Just make n sure , ya never know with this stuff these days.
Bigtjmc said:
Might be a dumb question but is the network turned on in settings ? Just make n sure , ya never know with this stuff these days.
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yea no problem but yes it is LOL
Nevermind that I think you done covered that , what about changing the connection type in phone info *#*#4636#*#*
Bigtjmc said:
Nevermind that I think you done covered that , what about changing the connection type in phone info *#*#4636#*#*
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lol turned on my phone again shows up as AT&T UMTS but not 4G LTE just 3G & AT&T under Network Operator but Mobile Network Disconnected because Service is unavailable then it goes back to showing up as no data and unknown **** again idk what to do lol I try that code you posted & the one it showed was GSM/WCDMA, CDMA, and EvDo (PRL) is that normal?
i know that is one of the settings but mine when i power down and don't change any thing comes up like this,
Bigtjmc said:
i know that is one of the settings but mine when i power down and don't change any thing comes up like this,
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https://www.dropbox.com/s/r2qprxsba8f5u3p/Screenshot_2012-10-18-06-07-40.png
that what mine showing....
Damn thats strange , have you tried any custom roms? Or different ruu files ?
Bigtjmc said:
Damn thats strange , have you tried any custom roms? Or different ruu files ?
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Yea I tried gb ruu and it didn't work and one custom Rom lol on the custom I was able to go and click on att under networks but it didn't do anything I'm all outta ideas here and glad I got somehelp from someone lol
Ok , well I will dig around and see if I can find something else out for ya I'm sure there's hope still I just need to find the answer.
Bigtjmc said:
Ok , well I will dig around and see if I can find something else out for ya I'm sure there's hope still I just need to find the answer.
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Click to collapse
Yea thanks for what you did do better then most lol hope we can find the answer as I would hate to have to go back to my Samsung infuse until I can get a new phone which won't be for a while
Have you tried removing and cleaning your SIM, and maybe getting your carrier to replace the SIM? Something besides the software must be messed up if you get the same results on different ROMS with full wipes in between...
ess.boyer said:
Have you tried removing and cleaning your SIM, and maybe getting your carrier to replace the SIM? Something besides the software must be messed up if you get the same results on different ROMS with full wipes in between...
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Click to collapse
Does the same for my dad sim Card too so idk LOL
I fixed this by going into the service menu and hitting "NV rebuild"
---------------------------------------------------------------------------------------------------------------------------
I'm not talking about no LTE like some have reported, I have absolutely not service. No data, no voice, no 2G, no 3G, no edge, nothing. My unlock code came in tonight, I punched it in, it said successfully unlocked, and I'm stuck.
1. Device is not blacklisted. IMEI is clean. Phone status still has IMEI and baseband info.
2. I've tried multiple APNs and restarted after selected each.
3. I have bars, but no service is reported. If trying to make a call, it says "not registered on network."
4. I called AT&T to do anything on their end. Whatever they did didn't change anything.
5. I've tried searching for networks under "mobile operators."
6. Tried a factory reset.
If anyone can help, please let me know. Thanks.
Edit: My sim came from a nexus 6. Everything still works fine after putting the sim back in there.
Can u give more detail on how u fixed this? Thanks!
Sent from my SM-N910T using XDA Free mobile app
ShrekOpher said:
Can u give more detail on how u fixed this? Thanks!
Sent from my SM-N910T using XDA Free mobile app
Click to expand...
Click to collapse
With help from your thread about the secret menu
I had initially gone in there about a week ago to see if there was any option to unlock like in previous models. I was trying to be careful not to change anything, but I guess I must have messed something up. Somewhere in there there is an option of "NV Rebuild." I don't remember exactly where it is at and I don't want to ever go back in that menu again :laugh:
I had this happen in 3 different instances:
1) Come back to the phone, which was lying on the table, to find that it was restarted. Happened 3 times in 5 minutes.
2) Another time, the phone restarted for no reason - I came back and it was asking for pattern instead of fingerprint because it restarted.
3) In a 20 minute drive, the phone restarted twice, which was announced by the Bluetooth car unit. I stopped each time and verified that the phone actually restarted.
At first, I thought it was me holding the power button wrong and it getting stuck.
But I have tried my best to not push the power button in any weird way, and then it still happened.
Moreover, here's an interesting exchange between, apparently, ZTE and users. Credit to oberio28:
5, sometimes the phone will automatically restart, how is this going?
A: We have located the reason and will resolve this issue in the next release, please update to the latest version to experience.
Click to expand...
Click to collapse
https://forum.xda-developers.com/showpost.php?p=79860485&postcount=15
I am on NA rom v3.0 and I don't see a fix anywhere yet.
Anyone else?
It doesn't happen for me, Global EU 2.09
Just updated from 1.11 to 1.15 NA. Going to see if that fixes reboots.
Also, why the hell doesn't the phone remember the Bluetooth volume level? Is that a Pie thing?
nabbed said:
Just updated from 1.11 to 1.15 NA. Going to see if that fixes reboots.
Also, why the hell doesn't the phone remember the Bluetooth volume level? Is that a Pie thing?
Click to expand...
Click to collapse
Yeah I had same issue on Poco f1.
nabbed said:
Just updated from 1.11 to 1.15 NA. Going to see if that fixes reboots.
Also, why the hell doesn't the phone remember the Bluetooth volume level? Is that a Pie thing?
Click to expand...
Click to collapse
Since updating to 1.15, the phone is not random restarting.
nabbed said:
Since updating to 1.15, the phone is not random restarting.
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Click to collapse
Yes, the V115 patch the random restart bug, the bug is common on SDM8150 platform
JerryYin said:
Yes, the V115 patch the random restart bug, the bug is common on SDM8150 platform
Click to expand...
Click to collapse
Thanks for the info.
Do you know anything about this problem?
"I use ATT as as carrier, and I tried several of their sim cards. As soon as I install the card, that Sim slot (1 or 2) truncates its IMEI from 15 to 14 digits, so it thinks that's it's a CDMA sim card. I think this is the reason why I cannot access GSM calling settings such as Call Forwarding. It says "Network or Sim card error."
nabbed said:
Thanks for the info.
Do you know anything about this problem?
"I use ATT as as carrier, and I tried several of their sim cards. As soon as I install the card, that Sim slot (1 or 2) truncates its IMEI from 15 to 14 digits, so it thinks that's it's a CDMA sim card. I think this is the reason why I cannot access GSM calling settings such as Call Forwarding. It says "Network or Sim card error."
Click to expand...
Click to collapse
I use ATT prepaid mine does the same but the last digit is a check, meaning once sim is activated it helps hide your full IMEI. I get 4g LTE and no Voice HD calling, hence it always reverts to 4g/3g in calls. Got to love US carriers.
SuperDroidMe said:
I use ATT prepaid mine does the same but the last digit is a check, meaning once sim is activated it helps hide your full IMEI. I get 4g LTE and no Voice HD calling, hence it always reverts to 4g/3g in calls. Got to love US carriers.
Click to expand...
Click to collapse
Thanks. It was explained to me at an ATT store that Voice over LTE was not available for a prepaid plan.
However, can you change Call Forwarding settings (I cannot, and I am not sure what the problem is):
Phone app / ... / Settings / Calling accounts / AT&T / GSM call settings / Call forwarding / Voice
?
Mine gives me reply "Call settings error , Network or SIM card error."
nabbed said:
Thanks. It was explained to me at an ATT store that Voice over LTE was not available for a prepaid plan.
However, can you change Call Forwarding settings (I cannot, and I am not sure what the problem is):
Phone app / ... / Settings / Calling accounts / AT&T / GSM call settings / Call forwarding / Voice
?
Mine gives me reply "Call settings error , Network or SIM card error."
Click to expand...
Click to collapse
Yeah I get the same error, I don't think it's phone though. My other phone is Poco F1 and its all custom ROM with no LTE bands and it does the same. But both can transmit/receive calls with same sim though...I think its more the network and not being AT&T branded phone.
nabbed said:
Thanks for the info.
Do you know anything about this problem?
"I use ATT as as carrier, and I tried several of their sim cards. As soon as I install the card, that Sim slot (1 or 2) truncates its IMEI from 15 to 14 digits, so it thinks that's it's a CDMA sim card. I think this is the reason why I cannot access GSM calling settings such as Call Forwarding. It says "Network or Sim card error."
Click to expand...
Click to collapse
Oh never seen that before......... I will ask the deveoper team about this prblem.
JerryYin said:
Oh never seen that before......... I will ask the deveoper team about this prblem.
Click to expand...
Click to collapse
Thanks. Here's more info that may be relevant.
1) Oneplus 6, global version, doesn't have this problem, that is not being able to set up call forwarding from the phone.
2) Whenever AT&T sim card is inserted into a slot (1 or 2), that slot truncates its IMEI from 15 to 14 digits by removing the last digit.
So, if without the sim card IMEI 1 is XXX...XXX5, it becomes XXX...XXX when the sim card is inserted into slot 1. Same happens to IMEI 2 if the card is inserted into slot 2.
JerryYin said:
Oh never seen that before......... I will ask the deveoper team about this prblem.
Click to expand...
Click to collapse
Out of interest... do you have a direct line to the developer team?!
If so, can you give us some info please on what they are working on, if and how we can report bugs or suggestions etc.
Texan1 said:
Out of interest... do you have a direct line to the developer team?!
If so, can you give us some info please on what they are working on, if and how we can report bugs or suggestions etc.
Click to expand...
Click to collapse
I work for Nubia, I'm responsible all international tech support for the nubia product, BUT this is my personal account. What I said with this account is not represent the Nubia company.
JerryYin said:
I work for Nubia, I'm responsible all international tech support for the nubia product, BUT this is my personal account. What I said with this account is not represent the Nubia company.
Click to expand...
Click to collapse
Great, thanks Jerry. So do you monitor these forums and report back issues/suggestions to Nubia?
Are we able to ask you questions/make software suggestions to you?
JerryYin said:
I work for Nubia, I'm responsible all international tech support for the nubia product, BUT this is my personal account. What I said with this account is not represent the Nubia company.
Click to expand...
Click to collapse
Thanks for trying to help fellow Nubians BTW, the XDA review of RM3 was disastrous, IMO. So unfair. Whoever did that review needs to go back to basic training.
Texan1 said:
Great, thanks Jerry. So do you monitor these forums and report back issues/suggestions to Nubia?
Are we able to make ask you questions/make software suggestions to you?
Click to expand...
Click to collapse
Yes, you can. I'm glad to see feedback or suggestion provide by users. You can also send email to [email protected].
Because this is not the official account, I may release some informatio or software that can help you guys.
---------- Post added at 09:29 AM ---------- Previous post was at 09:17 AM ----------
nabbed said:
Thanks for the info.
Do you know anything about this problem?
"I use ATT as as carrier, and I tried several of their sim cards. As soon as I install the card, that Sim slot (1 or 2) truncates its IMEI from 15 to 14 digits, so it thinks that's it's a CDMA sim card. I think this is the reason why I cannot access GSM calling settings such as Call Forwarding. It says "Network or Sim card error."
Click to expand...
Click to collapse
Can you please send me the screenshot with ATT card put in and 14 digit IMEI number?
If you can, please send the picture to [email protected] I will try to solve this tomorrow
JerryYin said:
Can you please send me the screenshot with ATT card put in and 14 digit IMEI number?
If you can, please send the picture to [email protected] I will try to solve this tomorrow
Click to expand...
Click to collapse
Done.
Hello guys. I bought a s21 ultra 9980 512gb.
However, i cant use it with sim card as its not detecting the network. I dont get it what could be the problem. I cant even untick the automatic network search as i get error.
Will post you guys here some photos maybe you can help me out. I dont think is locked because i dont get any message when i insert sim to enter the unlock code. What could be the problem?
Please help. Thx
Are you sure its an active sim card?
Yes. I have the card in an iphone as its my current sim..
JesuisAmy said:
Yes. I have the card in an iphone as its my current sim..
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Is the Samsung running official FW?
Yes… original .
do you still have the imei number present in the settings and if you type *#06# ?
Might be sim locked by the carrier, you could theoretically still use the esim I believe if it isn't giving you an option to enter an unlock code.
Yes.. both imei show up.
How can i check for sure its sim locked?
Also, when i insert any sim, for one second the “no signal sign” near the battery goes away then comes back instant.. and it doesnt ask for any pin…
Thanks for your inputs
I have read about this issue before as well. Is this a "dual sim" model? Try the other slot if it is, and also try leaving the sim in and rebooting. You could also try "reset network settings" under settings. I'll have a look to see if I can find the thread where people said they had a fix.
is it yours from brand new? and have you checked to see if it black listed? also, there seems to be an issue with some Samsung where they are forced into airplane mode the only way you see this is the notification panel the airplane model toggle is half-lit blue I could be something to do with that. Failing that it could also be if you have dropped the device the ribbon may have come loose as this is a common issue with Samsung a range and that's all I'm seeming to fix lately
Hello. No, didnt buy new. I got it used.Yes its dual sim model. It doesnt appear as blacklisted.
Its not in airplane mode for sure. Also i did factory reset and also wrote all stock firmware ap cm bl csc from samfirmware..but its the same as before.
Also, esim doesnt show up under the sim card manager.
try *#2263#* to change bands, or *#0011#
Maybe also try to put the sim in the other slot, and see what happens. If all the same, try someone elses SIM card for a minute to see. Maybe your sim has become slightly damaged but your iphone still manages to read it, while for some reason the s21 is not managing.
Just tried the sim in my sisters s20 and works. Also tried her sim into this new phone and same . Even if i put in sim1 or sim2.
JesuisAmy said:
Just tried the sim in my sisters s20 and works. Also tried her sim into this new phone and same . Even if i put in sim1 or sim2.
Click to expand...
Click to collapse
Sounds blacklisted to me
How can i find out if its really blacklisted or its the ribbon as galaxys2tav said?
I checked imeis and also serial number and its not blaclisted
See?
JesuisAmy said:
See?
Click to expand...
Click to collapse
Found this online:
"In Settings go to network mode and set this to 3G only. Then restart your phone. This works in my case."
Thanks for your sugestion. But its the same…
I had the same issue on single sim korean unit...but factory reset resolved the issue. Actually i used to disable carrier apps which was causing this issue.