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After making some changes in service menu, i am unable to use dual sim functionality. I can use only one sim slot at a time. The other one shows no network available. Regardless of which sim slot i use. In service menu sim slot 1 can be set to any preferred network but sim slot 2 is stuck in gsm only mode. Manually searched for network but no network available. Flashed latest oos 3.1.0,still the same issue. Can anyone help me with this.
Thanks in advance
Just restore whatever change you did in service menu and you should be back, you should not have played around in there from the beginning ?
pitrus- said:
Just restore whatever change you did in service menu and you should be back, you should not have played around in there from the beginning ?
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Click to collapse
Service menu doesn't have an option to reset to default and i don't remember exactly what changes i made. Yea i shouldn't have touched the service menu. If there's any thing else that can be done. Thanks for the quick reply
I think you changed radios to be only 3g/4g and your carriers uses the same band
Sent from my ONE A2005 using Tapatalk
fburgos said:
I think you changed radios to be only 3g/4g and your carriers uses the same band
Sent from my ONE A2005 using Tapatalk
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I'm not sure what changes I've made but yes both providers use band 40 2300 mhz for lte. I've tried changing one of the sim to use only 2g so that both sims are on different band but still same issue.
If you are in an area where carrier uses exclusively LTE that's the problem, opt radio is dual standby it alternate between two signals in any of the combinations 2g-3g/lte but not 3g-3g or lte-lte
Sent from my ONE A2005 using Tapatalk
fburgos said:
If you are in an area where carrier uses exclusively LTE that's the problem, opt radio is dual standby it alternate between two signals in any of the combinations 2g-3g/lte but not 3g-3g or lte-lte
Sent from my ONE A2005 using Tapatalk
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Click to collapse
My phone was working fine few days ago. I messed up something in service menu, after that the problem started. I have set one of the sim to use 2g manually, still i can't find any signal and both carriers use 3 different bands.
Have you found any solution i am facing exact same issue after changing network band. please help
fburgos said:
I think you changed radios to be only 3g/4g and your carriers uses the same band
Sent from my ONE A2005 using Tapatalk
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Click to collapse
How to reset radio band i am facing same problem. I tried factory reset, restore old twrp EFS backup, clean flashing stock rom, flashing cm14.1. But problem is still there please help.
Finally......
Hello guys i solved this issue by flashing oxygen os 2.2.0 now my both sim are working fine.
Just flash oxygen os 2.2.0 which has dual SIM preference selection fix.
shan1990 said:
Finally......
Hello guys i solved this issue by flashing oxygen os 2.2.0 now my both sim are working fine.
Just flash oxygen os 2.2.0 which has dual SIM preference selection fix.
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No wifi, no simcards detected...
Can you explain how it makes it work?
Here is a good read about such dual-sim issues (esp. posts #3,4):
https://forums.oneplus.net/threads/dua-sim-detection-problem-only-one-sim-being-detected.430976/
I'm a noob with this stuff, I read that forum and I'm still unclear... Is there a work around or am I screwed? Is it the phone/Software or my sim cards?
Here is the solution
In order to solve the problem go to service menu by dialing *#*#4636#*#* then turn off radio then select radio band 32 when it says successful, restart your phone and the problem will be solved
Say thanks at fb.com/suri131
You can contact for any other issue too
Finally solved the issue
I too faced similar issue and solved it now. I'll share my observations here.
I had 2 4g Sims Airtel and Jio. Jio for data. Both the sim's were working fine , once i went into roaming suddenly after that airtel stopped latching to network. Whatever sim slot i put my airtel sim it's not getting network if in the other slot Jio is there. I tried to use my airtel sim in other phones and it's working fine. I tried putting only airtel sim it's working fine in my OP2. I thought this may be imei problem and checked imei , my OP2 has both imei in it.
So now the fix part , for me 4g sim was working fine so tried fixing the other one in sim slot 1 i.e.. airtel.
*Install and open Shortcut Master(Lite).
*Menu->Search->Type "Engineering" -> Select "EngineerMode" from Search result (package name:com.android.engineeringmode.EngineeringMode) ->Launch.
*Click Network Set
*Click Sim Card Select -> sim 1
*Click Rat mode ->Select GSM only
*Click band mode->Select PGSM 900/1800
Now turn on Airplane mode on /off wait for a minute you should see both network.
Summary: In OP2 one slot will be 4g / other will be GSM 2g... So whichever sim is working for you don't change settings for that sim , play with the other sim for which no network is coming.
Abidbhat said:
Finally solved the issue
I too faced similar issue and solved it now. I'll share my observations here.
I had 2 4g Sims Airtel and Jio. Jio for data. Both the sim's were working fine , once i went into roaming suddenly after that airtel stopped latching to network. Whatever sim slot i put my airtel sim it's not getting network if in the other slot Jio is there. I tried to use my airtel sim in other phones and it's working fine. I tried putting only airtel sim it's working fine in my OP2. I thought this may be imei problem and checked imei , my OP2 has both imei in it.
So now the fix part , for me 4g sim was working fine so tried fixing the other one in sim slot 1 i.e.. airtel.
*Install and open Shortcut Master(Lite).
*Menu->Search->Type "Engineering" -> Select "EngineerMode" from Search result (package name:com.android.engineeringmode.EngineeringMode) ->Launch.
*Click Network Set
*Click Sim Card Select -> sim 1
*Click Rat mode ->Select GSM only
*Click band mode->Select PGSM 900/1800
Now turn on Airplane mode on /off wait for a minute you should see both network.
Summary: In OP2 one slot will be 4g / other will be GSM 2g... So whichever sim is working for you don't change settings for that sim , play with the other sim for which no network is coming.
Click to expand...
Click to collapse
it worked instantly
Abidbhat said:
Finally solved the issue
I too faced similar issue and solved it now. I'll share my observations here.
I had 2 4g Sims Airtel and Jio. Jio for data. Both the sim's were working fine , once i went into roaming suddenly after that airtel stopped latching to network. Whatever sim slot i put my airtel sim it's not getting network if in the other slot Jio is there. I tried to use my airtel sim in other phones and it's working fine. I tried putting only airtel sim it's working fine in my OP2. I thought this may be imei problem and checked imei , my OP2 has both imei in it.
So now the fix part , for me 4g sim was working fine so tried fixing the other one in sim slot 1 i.e.. airtel.
*Install and open Shortcut Master(Lite).
*Menu->Search->Type "Engineering" -> Select "EngineerMode" from Search result (package name:com.android.engineeringmode.EngineeringMode) ->Launch.
*Click Network Set
*Click Sim Card Select -> sim 1
*Click Rat mode ->Select GSM only
*Click band mode->Select PGSM 900/1800
Now turn on Airplane mode on /off wait for a minute you should see both network.
Summary: In OP2 one slot will be 4g / other will be GSM 2g... So whichever sim is working for you don't change settings for that sim , play with the other sim for which no network is coming.
Click to expand...
Click to collapse
Hey man. Installed a custom based on android 12 and i'm not sure what happened but only one sim card was working. Used msm tool to go back to oos 12 and now only one sim card shows.
Was going to try your method but the "engineeringmode" does not show up in search.
Any suggestions?
Hey guys i have one plus two and its running on oxygen os 3.1.0 i am facing problems on my one plus two i.e first of all i have 2 sim cards one jio 4g n other is vodafone india both sims were running perfectly on my moto g4plus previously now when i have one plus two i got it from my brother so i put jio sim on sim1 it was showing no network and then i put vodafone on sim2 then i didnt got any network unless in disabled my jio card i am getting network on my vodafone but the problem is that after making call network get lost and come back again after 2 seconds and then i can call once and i need to manully search for network on my vodafone sim if it cand find network both sims still work great on moto g4 is it problem with my device only ?
and now i have network on my sim2 vodafone and set to 2g only and wen i enable sim 1 both network get lost and its unable to register on any netwokr on siim 1 and on sim 2 it wont search!
please help me out
sorry for my english!
Jio is not fully supported on this phone, partly due to missing VoLTE support in firmware and partly because of how Jio doesn't support GSM/2G which is the standby mode for the secondary SIM as the phone doesn't support dual 4G mode. In other words, if first SIM is in 4G mode, second is forced to 2G, and this of course causes problems for Jio SIM.
I have put Jio 4G sim in slot 1 and Airtel 4G sim in slot 2. Things are working fine and I am getting LTE and VOLTE signals as shown in the screenshots ! But randomly my LTE signal is getting lost ! All I need to do is to go to sim settings and disable sim 1 and again enabling it will bring signals back. This is happening randomly during a day and happening 4-5 times in a day. I have even tried to put second Jio 4G sim to check but same is happening with second sim also. Tried even putting both Jio 4G sim in sim slot 2 but same problem is happening. But my another sim of Airtel 4G is not having any such issue.
anupsarkar said:
I have put Jio 4G sim in slot 1 and Airtel 4G sim in slot 2. Things are working fine and I am getting LTE and VOLTE signals as shown in the screenshots ! But randomly my LTE signal is getting lost ! All I need to do is to go to sim settings and disable sim 1 and again enabling it will bring signals back. This is happening randomly during a day and happening 4-5 times in a day. I have even tried to put second Jio 4G sim to check but same is happening with second sim also. Tried even putting both Jio 4G sim in sim slot 2 but same problem is happening. But my another sim of Airtel 4G is not having any such issue.
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Click to collapse
This would be due to issue on jio's side.Many people are using jio and they often lose the signal.If there is no signal drop in airtel them it says all.Phone is ok.
But it's not happening with on my other device ! After that 508 mb update it started happening ! & Signal goes hourly ..like 9.43pm & then 10.43pm ! ?
anupsarkar said:
But it's not happening with on my other device ! After that 508 mb update it started happening ! & Signal goes hourly ..like 9.43pm & then 10.43pm ! ?
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Click to collapse
hmmm,well i also have g4 plus with the latest firmware installed.I am not facing that issue.Would req you to post in the official g4 forum of motorola.
I have an OP2 OOS Version 3.5.6. My two sim slots are also filled up with two sims. So the Problem here is Only one of the Sim works at a time. Suppose if i keep the PREFERED SIM FOR MOBILE DATA as SIM 1 , the network of SIM 2 goes off and only SIM 1 is active.Vice versa . Please help me and as far as i remember i did not configure any unneccesary things. I am just noobin these stuff.TIA
Network???
May I know network an d country????
[email protected] said:
May I know network an d country????
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Click to collapse
In the SIM 1 the Network is JIO 4G and in the SIM 2 the network is Vodafone 4G. The country is INDIA
Same happens on lgv20 but it works fine on s7
Sent from my LG-H990 using Tapatalk
khankareem said:
In the SIM 1 the Network is JIO 4G and in the SIM 2 the network is Vodafone 4G. The country is INDIA
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Click to collapse
You can't use two 4G SIMs at the same time.
The SIM not set as the primary (data) SIM can only connect to a 2G network.
It's always been like this on the OP2
Spannaa said:
You can't use two 4G SIMs at the same time.
The SIM not set as the primary (data) SIM can only connect to a 2G network.
It's always been like this on the OP2
Click to expand...
Click to collapse
I mean't to say that Vodafone is 4G enabled Sim. It is not mandatory that it should work only on 4G.
Whereas JIO is a Network Where 4G is Mandatory. BTW it was working fine for the past three months without any issue.
And I even tried Having Airtel as the 1st Sim and Vodafone as the 2nd sim (Vice Versa) it doesn't work..
I thought if i Factory Reset the phone the problem would be gone, but it didn't ! Probably i have to go to a Service Centre
khankareem said:
I mean't to say that Vodafone is 4G enabled Sim. It is not mandatory that it should work only on 4G.
Whereas JIO is a Network Where 4G is Mandatory. BTW it was working fine for the past three months without any issue.
And I even tried Having Airtel as the 1st Sim and Vodafone as the 2nd sim (Vice Versa) it doesn't work..
I thought if i Factory Reset the phone the problem would be gone, but it didn't ! Probably i have to go to a Service Centre
Click to expand...
Click to collapse
If your JIO SIM is the primary SIM and Vodafone have a 2G network in your location, the second SIM should be able to connect too.
If it doesn't, something isn't right.
Spannaa said:
If your JIO SIM is the primary SIM and Vodafone have a 2G network in your location, the second SIM should be able to connect too.
If it doesn't, something isn't right.
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Click to collapse
Hope Going to the Service Center Should solve my Issue.
I have two sims A and B connected to networks .sim A is selected for cellular data but when i change it to sim b , the network on sim b stops coming and until i change the cellular data to sim A and restart the phone Sim B wont connect to a network, error while searching for network is displayed while trying to search for network manually. Does anyone know is it a sim problem or with the mobile. I have even factory resetted the phone and changed the sim slots.
Is one of the SIMs Jio 4G? For it to work, you'll need to set it as the primary data SIM. As soon as you change the data SIM, it will deactivate itself from the network.
So, likely my G4 plus did the same while activating data on another network, JIO4G automatically turns off!
tywinlannister7 said:
Is one of the SIMs Jio 4G? For it to work, you'll need to set it as the primary data SIM. As soon as you change the data SIM, it will deactivate itself from the network.
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tried that did not work , one sim is airtel 4g and other is vodafone
That's a model and/or mobile operator dependent problem. I have XT1642 in Germany and never had that problem with both sim slots.
What model did you have and in which country?
it's only due to jio sim in india