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Anyone else experience issues with swapping their SIM from their old phone into the G2X? I have reseated mine from my N1 into the phone 3 times, and each time I boot it says I have no SIM card. Pulling my hair out!
I went from an N1 to the g2x and i had the same problem so here is the deal...
the g2x is a 4g phone and it required a new sim card version so i had to trade in the sim card that i have had since my i got my razr in 2005...
so disclaimer to anyone who buys the phone outright, you have to have an updated sim card... just go into tmobile and they will give you one...
mines wont check for sim card at all it keep saying no service even without a sim card it usually say no sim but it just say no service can someone help plz plz plz
Fyi make sure it is a corporate store. Otherwise it could cost ya $20. Customer care might even be able to mail you one...not sure. If your near Chicago I would just give you one of my extras.
Sent from my LG-P999 using XDA App
I reused the sim from my N1 and have had no issues but it was probably a newer version sim since I just got it beginning of last year.
If you have an old T-Mobile phone lying around, try inserting your SIM into that, and using it, then re-insert it into your G2X.
Alright I opened it up and it looked like the antenna cable was a bit frayed near the tip, I attached a few pics. It was connected though so not sure :/
http://imgur.com/i2oH9,5LnGx,n97wZ ( three images)
I have the same issue.
Mint condition G2X does not detect my sim card reads "error while trying to connect to network"
I am running CM 7.2 I have wiped everything and reflashed still no luck.
Add one more to the pile...
I also recently began having this problem, but my device previously worked fine.
I have tried Restoring to Factory V21Y with Mar 11 Baseband
Flasing a GB Based ROM & Stock Kernel
Flashing CM9
Flashing CM10
Entering *#*#INFO#*#* Phone Info and modifying frequency band (No Go).
At one point I was able to read the Phone # from the SIM card, but couldn't get a lock on Netowkr. I can visually detect T-Mobile and ATT in Mobile Networks.
I have tried this with 4G Enabled SIM Cards and older T-Mobile SIM Cards.
I have tried Simple Mobile, Straight Talk, & ATT SIM Cards.
I have tried using None APN's, the TMo/Simple Default APN's, and Modified APN's for Straight Talk & Family Talk.
No avail.
Any ideas?
I had the same problem. A new SIM card fixed it.
RE:
Core Memory said:
I had the same problem. A new SIM card fixed it.
Click to expand...
Click to collapse
I gave my friend my old G2x because she was switching from AT&T to TMobile. She went to the TMobile store and got a new SIM card and her old AT&T number transferred to it. It works on her old iPhone but when I insert the SIM card on the LG G2x , it keeps saying 'no SIM card inserted'....do i need to flash a certain baseband on it and/or setup a custom APN for it? I am on the stock ROM thats rooted...
Any help is much appreciateed
Sorry for not replying until now but I rarely visit here anymore. My G2X had a bad Sim card which a new Sim fixed. I just had to wait until the network could authorize with it.
I apologize ahead of time if this has been asked or even answered but I HAVE been researching and finding NO help in my problem.
I purchased a Straight Talk phone the other day for the SIM chip as my last resort for immediate phone service. I had been told by many people that it would be able to be slapped into my phone and I would have no problems after changing the APN settings. I set up the plan and made my account with Straight Talk and then took the Card out and put it into my device.
My device is rooted with Cyanogen Mod and has S-OFF.
I then tried to start the phone up and got a message saying "No SIM card"
I did not get prompted to enter an unlock code or anything, just the No SIM card error which also means I can't save APNs...
The SIM Card works in the phone I bought it from, which is the Motorola W418G.
Now I have no clue if I am missing something, did I mess up? Or is it that for some god awful reason that SIM chip won't work in my phone at all?
Please any information, links, replies, ANYTHING is HIGHLY appreciated and again I am sorry if this specific question has been asked and answered, I could find nothing on this specific problem and I am hoping I didn't just waste a ton of money on going back to a pretty basic flip phone...
-JV
Pretty sure you need sim from another phone, a couple years ago it was the nokia e71. But nowadays you can just order a sim from the website
Sent from my LG-E970 using xda premium
Please post all questions in the Q&A section. Thanks! Thread moved.
I have the exact same issue as you JV. But I'm experiencing it with a Galaxy Nexus that can't recognize the SIM card that was bought with a Samsung SGH-T528G. The SIM card work fine in the T528G but not in Galaxy Nexus and also not in my wife's previous flip-phone. I have a T-Mobile SIM card that works fine in the Galaxy Nexus and in the flip-phone. And yes, the Nexus is running stock, non-rooted and unlocked (from the Play store).
I'm curious - did you figure out the issue? Any solution for your phone might work for mine... Thanks in advance!
- Philip
Look here:
http://www.walmart.com/browse/no-co...072335_1097404/YnJhbmQ6U3RyYWlnaHQgVGFsawieie
You have to cut the sim for micro sim devices to use T-Mo with ST. At least for now. HTH.
Sent using the power of the dark side
Hey everyone thanks for your help in advance... I just bought my phone and went to T-Mobile to get a new micro Sims card. After putting it in, the phone didn't recognize it. I put in the APN settings and it doesn't save it. This really sucks right now because I don't know what else to do. Any help will be greatly appreciated. And my phone isnt rooted yet, just want the stock for now. Thanks again
Is the sim activated? Sometimes on a new sim it takes a few hours to start working.
I was already on Tmo with an N5. I just moved the sim over and all was good.
NaterTots said:
Is the sim activated? Sometimes on a new sim it takes a few hours to start working.
I was already on Tmo with an N5. I just moved the sim over and all was good.
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Click to collapse
What he said. If OP has another phone that uses a MicroSIM, put the sim in that phone and see if it works.
Also did u insert the sim properly into its slot?
zephiK said:
What he said. If OP has another phone that uses a MicroSIM, put the sim in that phone and see if it works.
Also did u insert the sim properly into its slot?
Click to expand...
Click to collapse
You Quoted the wrong post.
NaterTots said:
You Quoted the wrong post.
Click to expand...
Click to collapse
I actually didn't. I agreeing with what you said and added onto your point.
I didn't mean the u to be directed to NaterTots but to the OP. Sorry for the confusion.
I screwed up and instead of using my old Sim card and cutting I went into T-Mobile and had them activate a new micro Sim card and put it straight in. The old one is deactivated.
The new micro Sim does work in my old gslaxy S2 phone which used an older big Sim card. Its now using a Sim adapter.
suaverc118 said:
I screwed up and instead of using my old Sim card and cutting I went into T-Mobile and had them activate a new micro Sim card and put it straight in. The old one is deactivated.
Click to expand...
Click to collapse
Did you insert the SIM card in the right direction and not upside down? I know thats silly to ask.
to be honest its simple man and actually nothing you needed to make a thread about. Simple go to TMobile store and try an already active sim card. Go to AT&T and see if they can put an active sim card to help you out. Basically go to anywhere that works with a TMobile or AT&T derivative and try it out. Nothing really else we can do to help you on this.
Not try to be rude or anything but its the truth. If none of that works then you may have to RMA. Also maybe find a friend or family member and try their sim . Good luck :good:
Should work. Using my one plus with Solavei (t-mobile based company) and having no issues.
Sent from my A0001 using Tapatalk
zephiK said:
Did you insert the SIM card in the right direction and not upside down? I know thats silly to ask.
Click to expand...
Click to collapse
First time i've also put the tray wrong. True story
Just had this problem after coming from using the phone overseas and no signal whatsoever on the phone despite numerous restarts, SIM cleaning, and chats with T mobile. After verifying the APN was correct I went to Settings-->About Phone-->Status-->SIM Status and checked to see if the SIM was connected(it showed my phone number, but was disconnected). So from here went to Settings-->Mobile Networks-->Network Operators and let the phone find carriers automatically. Mine showed T-mobile(with a little SIM icon to the right of it), Verizon, and ATT. I clicked on T-Mobile and it registered and is now working.
Probably saved me $15 at the T-Mobile store. Hope this helps even just one of you.
can some one please help me....i purchased an unlocked former sprint lg g flex 2 from ebay to use with my gsm sim card.
I have used the phone for 10 days without any problem but from nowwhere today it just showed invalid card.
when i reinsert the sim,it detects the sim for about 10 min and then brings a pop up on the screen saying "the phone ll reboot until you insert a valid sim card"then it reboots and stays on invalid sim.
Tried a different sim it also works for roughly 5 min and then does the same thing.
I have tried hard reset,factory reset,rebooting it and everything that i found on google but nothing works,still stack on "INVALID CARD"
Any help please i ll appreciate!
mackn said:
can some one please help me....i purchased an unlocked former sprint lg g flex 2 from ebay to use with my gsm sim card.
I have used the phone for 10 days without any problem but from nowwhere today it just showed invalid card.
when i reinsert the sim,it detects the sim for about 10 min and then brings a pop up on the screen saying "the phone ll reboot until you insert a valid sim card"then it reboots and stays on invalid sim.
Tried a different sim it also works for roughly 5 min and then does the same thing.
I have tried hard reset,factory reset,rebooting it and everything that i found on google but nothing works,still stack on "INVALID CARD"
Any help please i ll appreciate!
Click to expand...
Click to collapse
Best thing to do is return it. Never buy a sprint device for use on GSM carriers. Only buy a sprint device if you intend on using it on Sprint.
Sent from my iPhone using Tapatalk
hyelton said:
Best thing to do is return it. Never buy a sprint device for use on GSM carriers. Only buy a sprint device if you intend on using it on Sprint.
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
unfortunately am not in the US currently and it can be difficult to return it.
Can i root it?Can it get back to normal? so desperate right now.
mackn said:
unfortunately am not in the US currently and it can be difficult to return it.
Can i root it?Can it get back to normal? so desperate right now.
Click to expand...
Click to collapse
No clue. Getting it to work can be difficult or could be easy. But it's just not a reliable device to use on GSM carriers.
Did you make sure network mode is set to GSM/WCDMA/LTE?
If so your best bet is to check out this thread not sure if it still applies https://forum.xda-developers.com/g-flex2/general/sprint-g-flex-2ls996-gsm-domestic-t3122813
mackn said:
can some one please help me....i purchased an unlocked former sprint lg g flex 2 from ebay to use with my gsm sim card.
I have used the phone for 10 days without any problem but from nowwhere today it just showed invalid card.
when i reinsert the sim,it detects the sim for about 10 min and then brings a pop up on the screen saying "the phone ll reboot until you insert a valid sim card"then it reboots and stays on invalid sim.
Tried a different sim it also works for roughly 5 min and then does the same thing.
I have tried hard reset,factory reset,rebooting it and everything that i found on google but nothing works,still stack on "INVALID CARD"
Any help please i ll appreciate!
Click to expand...
Click to collapse
I think it can be rooted on lollipop. There is a thread somewhere.
Sent from my LG-H955 using Tapatalk
hyelton said:
No clue. Getting it to work can be difficult or could be easy. But it's just not a reliable device to use on GSM carriers.
Did you make sure network mode is set to GSM/WCDMA/LTE?
If so your best bet is to check out this thread not sure if it still applies https://forum.xda-developers.com/g-flex2/general/sprint-g-flex-2ls996-gsm-domestic-t3122813
Click to expand...
Click to collapse
hi,
i have just discovered that my phone was already rooted by the seller after i ran root checker.
do you think if i unroot it and root it again would solve the problem that am having.
mackn said:
hi,
i have just discovered that my phone was already rooted by the seller after i ran root checker.
do you think if i unroot it and root it again would solve the problem that am having.
Click to expand...
Click to collapse
Just unrooting wouldn't solve the issue. The device was most likely rooted with changes to make it work with a gsm carrier. That phone in its stock state won't work on any other carrier at all besides sprint.
Sent from my iPhone using Tapatalk
Hi hyelton
I want to unroot my phone it has stock rom of 5.1.1 zvb.can i use zv5 or what would you recommend.i just want to take it back to stock so that i can unlocked it with unlock code for gsm use.
Maybe it solve the problem am having.
Am a newbie to this rooting thing so i just want to do the right thing.
Device:LS996 from sprint.
Problem facing:service disable,invalid card
mackn said:
Hi hyelton
I want to unroot my phone it has stock rom of 5.1.1 zvb.can i use zv5 or what would you recommend.i just want to take it back to stock so that i can unlocked it with unlock code for gsm use.
Maybe it solve the problem am having.
Am a newbie to this rooting thing so i just want to do the right thing.
Device:LS996 from sprint.
Problem facing:service disable,invalid card
Click to expand...
Click to collapse
You should be able to since it's updating. But updating will actually make it to where you won't ever be able to use it.
You have more of a chance getting it working with a GSM carrier while rooted than not.
The issue your facing is not a problem, it's supposed to say that when inserting a non Sprint sim in the sprint device.
Remember that model has to be tampered with to make it work on a GSM carrier. It's not supposed to work on a non sprint carrier without things being changed.
Sent from my iPhone using Tapatalk
Broken Antenna
I've had my LG G Flex 2 for a little over a year and this happened to me.
SOLUTION: The antenna is most likely broken and needs to be replaced. The lady at sprint said it is common with this phone so I'll try to figure out how to do that.
cmosk7100 said:
I've had my LG G Flex 2 for a little over a year and this happened to me.
SOLUTION: The antenna is most likely broken and needs to be replaced. The lady at sprint said it is common with this phone so I'll try to figure out how to do that.
Click to expand...
Click to collapse
Yeah but your using the device on sprint? These users are not. They're using it on a GSM network outside of the US this issue is over the software not hardware.
Sent from my iPhone using Tapatalk
Invalid card
Thanks guys,i appreciate all your inputs.i have since returned this phone to the seller for replacement.I hope I ll not face this problem on the next one.
mackn said:
Thanks guys,i appreciate all your inputs.i have since returned this phone to the seller for replacement.I hope I ll not face this problem on the next one.
Click to expand...
Click to collapse
Hopefully you don't get another Sprint device. Or it will most likely happen again.
Sent from my iPhone using Tapatalk
Invalid card
I ll ask him to send me something from at&t
Since he has it in his eBay store.
Hello guys,
Im coming at you for a question which I can't have any answer.
I bought a Note10 Plus in October to somebody on the web, the phone was brand new (on its original sealing and packaging) and working perfectly. I was first on Three network, the phone worked, then I switch on GoMo, working perfectly too. On the 10th of November I traveled to Japan with a local sim card (Docomo) and same, all working. But yesterday, I came back to Ireland where I live, and still as of today, the phone show me 'SIM 2 not allowed'.
The phone is unlocked, I've checked with the Samsung support and they confirmed it (but didn't bring me helpful troubleshooting steps). I've contacted my carrier too who said that there is no issue on my account, and they will send me a new sim card too.
I'm not expecting it to work though, as the SIM card is working on the iPhone X of my gf, and her sim card is not working on my phone too. So it's only on my Note 10+.
I've tried to remove the sim and reinsert it, restart it, reset network settings, check the date and time, nothing to do, all go to the same error.
After making research, I tried to check some IMEI Blacklist check websites, but I don't trust them as I don't know where these infos comes from, but one catch my attention because it told me that the phone was blacklisted : https://www.imeipro.info/
All the others says that the phone is clean. Again, that's why I don't really trust it, and my carrier didn't mention any block. I'm still curious why my phone appear as blacklisted so I send them an email to try to know more.
I receive signal too, but can't send/receive calls or text, and I don't have access to data neither.
So now I have my phone with no any SIM working, and I don;t know what to try to get my phone working again.
I think I've explained all I did today, I don't know what to do more, I don't have any idea of what's going on with the phone, that's why I need your light to see if you can help me to find a way.
Thank you guys, I hope to hear from you soon!
From the sounds of it, it sounds like it's been blacklisted, that's my guess. Do you get any message when you insert the sim? I had a similar thing happen to me, turned out the guy I bought the phone off on Ebay didn't pay he's bill and phone wouldn't text or make calls anymore. O2 was the company that barred the phone, and they couldn't help me even though I had proof I'd purchased the phone from the guy, only he could sort it out as it was he's account. Anyway thankfully PayPal came to my rescue, they just needed proof it was blacklisted, carphonewarehouse did a check and printed out the results for me thankfully as I knew the guy that worked there. I got a refund and promised myself I'd never buy a phone off Ebay from a personal seller, if its a business account then maybe. Awful experience though. I hope you get this sorted.
I'm guessing you've never rooted the phone or flashed it as that can sometimes delete the efs folder which causes the phone to have no imei.
Thanks for your answer !
No usually I root all my phones but this time I wanted to keep it as normal, because tthe phone looks like there's nothing more to improve to me (except a little bbit the camera when the light is low..)
I didn't knew that it could cause such things ! I should have done that
Honestly that was the first time I bought the phone to somebody, and more of that, the phone was sealed on the original plastic with the label ''eu sim card only''. So I was trusting it, even if I know, that doesn't mean it's safe behind that.
Since I've posted the message, I contacted few carriers, like mine GoMo, and they dont know anything about the blacklisting (I was surprised) then I contacted Three, they told me that the device does not belomg to the; so they can't check.
I tried Eir, and they refused to give me infos for data protections, which I think is stupid because the phone is not a personal information who could reveal an identity but anyway. I didn't though about Carephonewarehouse, I will visit them because it seems like this is the best idea.
The weird thing to me is still that it didnt worked suddenly... I was in the flight and this is when I came back that it didn't worked. Well, maybe that was a bad hazard.
Something I've discovered yesterday more of that is when I have this issue, turning off the 4G and only allowing 3G/2G will allow me to use the data. Still no phone or text, but the phone is detecting the H+ signal and I'm free to go on the web.
Yes for your question, the issue happened instantly when I insert the card on the SIM1 with the error SIM not allowed, the SIM 2 slot works perfectly, that's what I'm using for the moment but I can't use any SD card at the same time, so it bother me. :/
Thanks for sharing your experience, then I know a little bit fore of what to do. I wanted to go to the police but I don't want to spend 2 hours there. Maybe I'll think of it as a last resort...
https://www.google.com/amp/s/forum.xda-developers.com/s10-plus/help/sim-1-allowed-t3945371/amp/
I just came from Japan as well I had the same problem but with my Sony Xperia 1.
I bought it from the states and I took vacation to Japan and used their sim card.
When I came back here in Florida I switched back to my at&t sim card I couldn't make calls or texts only data works for some reason I tried everything I used sim card on other phones (sim card is fine)
I tried everything, nothing worked !
I factory reset the phone and it worked, fixed the problem (it's strange because I used Galaxy s8 also with that sim card and it's working fine)
My Sony Xperia 1 had similar problem to yours
I don't know if this will help you to be honest but I had kinda same problem.
Hope you solved you issue.
jadaress1 said:
https://www.google.com/amp/s/forum.xda-developers.com/s10-plus/help/sim-1-allowed-t3945371/amp/
Click to expand...
Click to collapse
Thank you, but unfortunately the phone has been bought from someone as I said, and the suggestion there doesn't help :/
cali1986 said:
I just came from Japan as well I had the same problem but with my Sony Xperia 1.
I bought it from the states and I took vacation to Japan and used their sim card.
When I came back here in Florida I switched back to my at&t sim card I couldn't make calls or texts only data works for some reason I tried everything I used sim card on other phones (sim card is fine)
I tried everything, nothing worked !
I factory reset the phone and it worked, fixed the problem (it's strange because I used Galaxy s8 also with that sim card and it's working fine)
My Sony Xperia 1 had similar problem to yours
I don't know if this will help you to be honest but I had kinda same problem.
Hope you solved you issue.
Click to expand...
Click to collapse
Thank you for that, I've tried this yesterday after a backup, I used the sim card with the phone completly as new (well, I've restored it from the settings, so I don't know if it was the good way) and it didn't worked.
I think I will try carephone warehouse as jadaress1 requested, it might give me lot of infos there. Im also starting thinking that the phone is carrier blocked, but I can't see any reason why the phone was new and already unlocked so I don't see any reasons...
I'll let you know