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I have a problem, when iḿ going to configure the mobile data, i touch in APN and then i save it but it dissapear, the phone doesn´t save so i can´t use my 3g data
Any solution
Try different carrier sim card. If on another sim card your phone saves apn it means your card has problem with mnc and mcc codes and You need to change it for newer version.
Chamelleon said:
Try different carrier sim card. If on another sim card your phone saves apn it means your card has problem with mnc and mcc codes and You need to change it for newer version.
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Click to collapse
I had a normal SIM and when i bought this phone i cut it with a tutorial on the internet, the it enters in the phone perfectly and i can phone anybody but the mobile data doesn't work
Can the problem appeared when i cut it?
jvpag said:
Can the problem appeared when i cut it?
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Click to collapse
Dont think so! If it works and the golden Chip is not broken your SIM is OK.
But did u use a custom Rom? There are custom roms with APN Problems!
I had this issue on Virgin Mobile. When I changed carrier to T-Mobile it's working flawlessly.
5m00v3 said:
Dont think so! If it works and the golden Chip is not broken your SIM is OK.
But did u use a custom Rom? There are custom roms with APN Problems!
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Click to collapse
The chip is okay and i have the stock rom for europe 4.1.2 JB
jvpag said:
The chip is okay and i have the stock rom for europe 4.1.2 JB
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Click to collapse
there is an APP on Stock rom: SIM toolkit (something with a SIM picture).
your provider should send you correct APN-Setting in an SMS after using this... try it.
and here is a thread about the config-file 'apns-conf.xml'. maybe it could help to save your APNs:
http://forum.xda-developers.com/showthread.php?t=2691528
I just updated to the new BQL1 firmware and now my sim card is saying it is not registered on the network. I replaced the sim card and it was working until my battery died. I charged phone and turned it on and now sim card not registered on network again. I have reset network settings and toggled everything I know how to try to get it to work but nothing helps. Has anyone else experienced this problem? Sim was working fine on bqk5 firmware. Thanks.
fersayken2 said:
I just updated to the new BQL1 firmware and now my sim card is saying it is not registered on the network. I replaced the sim card and it was working until my battery died. I charged phone and turned it on and now sim card not registered on network again. I have reset network settings and toggled everything I know how to try to get it to work but nothing helps. Has anyone else experienced this problem? Sim was working fine on bqk5 firmware. Thanks.
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Click to collapse
I upgraded from G950USQU1AQG4 to G950USQS2BQL1 today and had the same issue. Even factory reset didn't work. Bootloader changed from 1 to 2 so going back wasn't an option for me. Registering a new sim card was the only option for me. I only tried a new sim card because the vzw site gave me this message while trying to re-activate the one i had been using:
HTML_COTENT_NOT_FOUND_FOR_CONTENT_KEY: devicechange_sim_aging_message
Glad i wasn't the only one who wasted a day with this crp.
Can we upgrade BQk1 to oreo?
Sent from my [device_name] using XDA-Developers Legacy app
I'd updated to Oreo from BQL1 and am trying to Odin back, but it keeps failing. Anyone have any suggestions? I'm using the 3.12.7 odin.
Thanks!
All good. Re-installed the samsung drivers and everything worked perfectly.
mirajman said:
I upgraded from G950USQU1AQG4 to G950USQS2BQL1 today and had the same issue. Even factory reset didn't work. Bootloader changed from 1 to 2 so going back wasn't an option for me. Registering a new sim card was the only option for me. I only tried a new sim card because the vzw site gave me this message while trying to re-activate the one i had been using:
HTML_COTENT_NOT_FOUND_FOR_CONTENT_KEY: devicechange_sim_aging_message
Glad i wasn't the only one who wasted a day with this crp.
Click to expand...
Click to collapse
Hey. A new sim card worked for you? Didn't work for me.
fersayken2 said:
Hey. A new sim card worked for you? Didn't work for me.
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Click to collapse
Try using Odin3 v3.12 PrinceComsy to roll back to GS950USQU2BQK5.
Also, did you activate the new sim card on the vz website first?
I'm pretty sure this is what I did...
Factory reset, shutdown, remove the old sim, activated the new sim online, insert the new sim into the s8, turn on the phone.
mirajman said:
Try using Odin3 v3.12 PrinceComsy to roll back to GS950USQU2BQK5.
Also, did you activate the new sim card on the vz website first?
I'm pretty sure this is what I did...
Factory reset, shutdown, remove the old sim, activated the new sim online, insert the new sim into the s8, turn on the phone.
Click to expand...
Click to collapse
Can we roll back to the previous firmware from S2QBLI back to U2BQK5 so I can then root my phone and use my hotspot
Sent from my SM-G950U using Tapatalk
Can someone please post a mirror to the firmware, every site I go to download has a d/l speed of about 15kbps and I can't be annoyed with that. Thank you!!
megaghostgamer said:
Can someone please post a mirror to the firmware, every site I go to download has a d/l speed of about 15kbps and I can't be annoyed with that. Thank you!!
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Click to collapse
Have you tried Updato?
Cyclone Emperor said:
Have you tried Updato?
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Click to collapse
yeah the download was awful on it for me.
Few days back, I was just messing with my phone settings and. I went to dialer and typed #*#*4636#*#* and without knowing what SMSC number is, I changed it to my phone number and since then my sim card isn't working?.
I did factory reset from TWRP and flashed the Stock 6.0 but still Sim card is not detected.
I tried updating to default but getting update error. Even tried resetting it from a Non-Android phone but didn't work.
Please help....??
!!!!!!!Root2!!!!!! said:
Few days back, I was just messing with my phone settings and. I went to dialer and typed #*#*4636#*#* and without knowing what SMSC number is, I changed it to my phone number and since then my sim card isn't working?.
I did factory reset from TWRP and flashed the Stock 6.0 but still Sim card is not detected.
I tried updating to default but getting update error. Even tried resetting it from a Non-Android phone but didn't work.
Please help....??
Click to expand...
Click to collapse
Reflash stock modem through fastboot that should work
ttocs99 said:
Reflash stock modem through fastboot that should work
Click to expand...
Click to collapse
Okay I'll try and let you know. Thanks
ttocs99 said:
Reflash stock modem through fastboot that should work
Click to expand...
Click to collapse
Hey, doesn't the stock firmware include the modem files in it?
I'll try Stock lollipop now and see if it works.
!!!!!!!Root2!!!!!! said:
Hey, doesn't the stock firmware include the modem files in it?
I'll try Stock lollipop now and see if it works.
Click to expand...
Click to collapse
I would download latest mm for your device as it has the latest bootloader and modem
ttocs99 said:
I would download latest mm for your device as it has the latest bootloader and modem
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Click to collapse
I did. I wiped cache, dalvik cache, internal storage and system and flashed stock lollipop with latest modem from MM. After my phone booted the Sim card was detected but later system ui stopped working. So I restored my previous Los 14.1 twrp backup but now Sim card is not working again?
Flash full stock marshmallow let it boot up set it up but don't add Google or anything let it detect ya SIM then try flashing clean Los 14
ttocs99 said:
Flash full stock marshmallow let it boot up set it up but don't add Google or anything let it detect ya SIM then try flashing clean Los 14
Click to expand...
Click to collapse
How to not add Google account? Will there be an option to skip?
I'll try tomorrow. Thank you:good:
!!!!!!!Root2!!!!!! said:
How to not add Google account? Will there be an option to skip?
I'll try tomorrow. Thank you:good:
Click to expand...
Click to collapse
Yep,there is a skip button
ttocs99 said:
Flash full stock marshmallow let it boot up set it up but don't add Google or anything let it detect ya SIM then try flashing clean Los 14
Click to expand...
Click to collapse
Flashed stock 6.0 and completed setup. First few minutes the sim was working but later no service
!!!!!!!Root2!!!!!! said:
Flashed stock 6.0 and completed setup. First few minutes the sim was working but later no service
Click to expand...
Click to collapse
Other screenshot
https://i.imgur.com/M8gsHBY.png
!!!!!!!Root2!!!!!! said:
Flashed stock 6.0 and completed setup. First few minutes the sim was working but later no service
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Click to collapse
Is it like that with both SIM slots I find it strange?? Have you tried another similar card to see if that works
ttocs99 said:
Is it like that with both SIM slots I find it strange?? Have you tried another similar card to see if that works
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Click to collapse
Yes I tried both sim slots and both are not working. And other sim isn't working too.
When someone calls it says Phone is switched off.
?
!!!!!!!Root2!!!!!! said:
Yes I tried both sim slots and both are not working. And other sim isn't working too.
When someone calls it says Phone is switched off.
?
Click to expand...
Click to collapse
I don't know if there's anything else? I know after you flash you have signal for a moment so it's still working but maybe someone with a bit more experience can help
ttocs99 said:
I don't know if there's anything else? I know after you flash you have signal for a moment so it's still working but maybe someone with a bit more experience can help
Click to expand...
Click to collapse
?Okay...Thanks for your help.?
!!!!!!!Root2!!!!!! said:
?Okay...Thanks for your help.?
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Click to collapse
Don't give up though keep flashing stock till it comes back on lol.i think that's all the advice I can give on this but good luck and hope your device gets sorted
Im going with a bad sim card, go to your carrier and get another. Good luck.
Sent from my SM-G955U using Tapatalk
railslave said:
Im going with a bad sim card, go to your carrier and get another. Good luck.
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Click to collapse
I tried other sim card.. It didn't work either?
railslave said:
Im going with a bad sim card, go to your carrier and get another. Good luck.
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Click to collapse
Just got other sim card with the same phone number swapped. At first when I inserted Sim it was showing no service but sim was working and after few mins... Phone locked itself and now it shows No Sim card...??
Yay!! It's fixed now!!
I went back to the sim card shop and he put that sim in his lava non android but java phone and the did something and put it back in my phone and now my Sim is working!!!
Hey I have a question.
I've install an costum rom but now the Phone does not fint the sim card anymore.
I also tried other roms but there was no luck. I also tried the sim card on a other Phone and the Sim card is fine.
I think that is also helpful when i say that i am in germany and so i have a german Sim card.
My question is, is there a way to fix it?
Sorry for my bad english i am from germany.
OeTeJuNiOr said:
Hey I have a question.
I've install an costum rom but now the Phone does not fint the sim card anymore.
I also tried other roms but there was no luck. I also tried the sim card on a other Phone and the Sim card is fine.
I think that is also helpful when i say that i am in germany and so i have a german Sim card.
My question is, is there a way to fix it?
Sorry for my bad english i am from germany.
Click to expand...
Click to collapse
If I correctly remember the Resurrection Remix thread by rodman01 (meanwhile closed) and the connected Q&A thread covered this topic quite often. I suggest to first search those two threads.
No SIM & EFS Partition Restore
OeTeJuNiOr said:
...I've install an costum rom but now the Phone does not fint the sim card anymore.
I also tried other roms but there was no luck. I also tried the sim card on a other Phone and the Sim card is fine...
Click to expand...
Click to collapse
Check EFS Partition Backup - No Service, No IMEI & No SIM Card Fix.
Please report back if you fix your problem or not.
***
Hi All,
I was hoping someone would be able to assist this issue that I am facing. I have a S21 Ultra purchased a couple of years ago in Sydney, Australia.
Recently, my SIM card stopped working on my S21 Ultra. Every other feature works and the SIM card works fine on a different phone. I have also tried replacing the SIM card, but it still does not work. The same SIM card works on a different S21 Ultra phone.
I also reset the network settings and yesterday I performed a full factory reset, but the SIM card still does not work.
I tried searching for a solution here, but could not find any threads where someone has faced a similar issue. If someone could kindly help or suggest some other tips, that would be highly appreciated.
Cheers
Have you flashed any custom module/ ROM/ firmware on your phone?
TheMystic said:
Have you flashed any custom module/ ROM/ firmware on your phone?
Click to expand...
Click to collapse
Thanks for your response. Nope, just the usual OTA updates.
devilishbrains said:
Thanks for your response. Nope, just the usual OTA updates.
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Click to collapse
Have you tried putting another sim card on the current slot that isn't working?
You have the following two options:
1. Assuming your current sim is in slot 1, try putting it in slot 2 (or vice-versa).
2. Try eSim with your current number.
The issue appears to be the firmware that came with the latest OTA update.
TheMystic said:
Have you tried putting another sim card on the current slot that isn't working?
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Click to collapse
Yup, I have tried another SIM card but that doesn't work. That sim card works successfully on other phones. Also I just have a slot for a single physical sim card. Thanks
devilishbrains said:
Yup, I have tried another SIM card but that doesn't work. That sim card works successfully on other phones. Also I just have a slot for a single physical sim card. Thanks
Click to expand...
Click to collapse
If a factory reset doesn't solve a problem, you'll have to wait for the next update. For now, eSim seems to be the only solution.
TheMystic said:
If a factory reset doesn't solve a problem, you'll have to wait for the next update. For now, eSim seems to be the only solution.
Click to expand...
Click to collapse
Yup, seems like it. Yes, I will try and get an eSim and see how that goes. Thanks for your responses. Appreciate it!