When calling Default SIM Option Set Automatically to SIM 2 (Tesla 3.4) - Android Q&A, Help & Troubleshooting

I am using Tesla 3.4. I have faced a problem, when I am dialing someone I have not found any option to select SIM. I have already tried many time to set default SIM option from “Setting>Sim Card>Preferred Sim” and also tried from “Dialer Icon>sub menu>Setting>Calling account>Make Call with” but I have always failed. Its work immediate after setting but after some time or after a reboot it set to 2nd SIM as a default SIM automatically. So I can’t call normally from 1st SIM. Please help me @ mshoaib7

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Redmi Note 2 Prime - SIM2 not detected

Hello,
I have a new Redmi Note 2 Prime.
I installed 2 SIM card but slot number 2 does not detect the SIM.
Both SIM cards are working great on other phones.
I also tried other operators SIM card.
I am using the latest xiaomi.eu rom:
http://xiaomi.eu/community/forums/miui-weekly-rom-releases.103/
I am trying to find an answer if it is an OS related issue nor Hardware issue.
Thank you for your answers.
have you tried wiping cache or restoring (wiping) the phone completely?
I trying to find an answer if this phone is dual 3G/4G active, in my Honor 7 for example, only one sim slot is 4G active and the second is GSM, so if you are using a provider that is using only 3G/4g technology on both sim cards, the sec sim card won't work, you have to switch between them. Maybe same case here?
FIX SIM 2 FOR CM JOSAN - ALL ROM FROM BULE
http://forum.xda-developers.com/android/apps-games/app-multisim-toggle-t2830647
How to use?
Take a backup (just to be safe)
Install MultiSIM Toggle
http://forum.xda-developers.com/attachment.php?attachmentid=2873698&d=1406551259
Tap the floating SIM button
ROOT, Grant SuperUser permission
Automatic reboot of the device if toggle is successful
Hello,
Does it realy not detect the second sim? Or shows it just no signal?
I've 2 sims inserted, same carrier. Both are working, but only sim2-signal seems to work.
sim1 seems to have no signal but works well.
Maybe a Bug in 6.1.7. ???
hochocnua said:
FIX SIM 2 FOR CM JOSAN - ALL ROM FROM BULE
http://forum.xda-developers.com/android/apps-games/app-multisim-toggle-t2830647
How to use?
Take a backup (just to be safe)
Install MultiSIM Toggle
http://forum.xda-developers.com/attachment.php?attachmentid=2873698&d=1406551259
Tap the floating SIM button
ROOT, Grant SuperUser permission
Automatic reboot of the device if toggle is successful
Click to expand...
Click to collapse
I have installed the MultiSIM Toggle on stock ROM, but getting error, so I jumped to CM 12.1 and getting no error but same as stock rom, only one sim works at the same time.
Can you please recommend a ROM, that works well with this app? Many thanks!
---------- Post added at 04:17 PM ---------- Previous post was at 04:14 PM ----------
kt82 said:
Hello,
Does it realy not detect the second sim? Or shows it just no signal?
I've 2 sims inserted, same carrier. Both are working, but only sim2-signal seems to work.
sim1 seems to have no signal but works well.
Maybe a Bug in 6.1.7. ???
Click to expand...
Click to collapse
My cards work in 3g/4g mode only, so if one slot is 3g/4g the other is 2g/GSM they wont work at the same time, have to switch between them, or deactivate one in order to use the other one, this is bad...

cm12.1 motoe2 3g Dual Sim Assign Default to Contacts

Hi
after flashing the Cm12.1 from stock rom , i found the default sim assigning to contacts didnt worked as it worked on Stock
like In the SETTINGS->SIM CARDS->Preffered Sim ->Calls --- ask every time
so when i make a call each time phone ask which sim to choose and i can select one
but if i choose always use this sim for a "particular contact or number" it is saved as default sim for the whole contact .
bt in stock rom it was for a particular contact and when i dial another number it will ask me to choose sim as it was supposed to do ..
does anyone has a workaround for this? can finf a cm12.1 Q&A thread. sorry if its a repost

no service PLEASE HELP!

hello everyone,
i installed the app called "Hidden Android Settings" then i was seeing it's option.... then i clicked on "BAND MODE" it showed me this option:
Set GSM/UMTS bands (USA Band)... then i clicked on it and it said, band successfully set, and since then i lost my network, and my phone now is with no service
i uninstalled the app and went to network mode and changed it back to LTE/GSM as it was but nothing changed... i even did reset network in backup and reset options but nothing has changed.. now i put my sim card in my tablet and it works... when i do carrier manual search it shows my carrier, i wasn't able to select it.... also restarting many times, reinserting sim card, airplane mode... i did all, nothing helped!!!!
PLEASE ANYONE KNOW ANY SOLUTION AVAILABLE TO RESTORE MY NETWORK?
thank you all
Backup all data from your internal storage that you want,remove SD card, wipe phone completely with flash tool and flash the latest ftf and you should be good.
I have no service on my z5 please help
Have you tried manually setting up a new APN?

X522 S3 enable data sim switch on US 5.8.021S.

US 5.8.021S stock rom, default data sim is sim1, and it greys out, so you cannot switch to sim2.
However, if you root the rom, and use builderprop editor,
change persist.le.fixDataSimForNA=true
to
persist.le.fixDataSimForNA=false
and reboot, you can switch to sim2 to use data.

Sim card not detected After Rooted

is anyone have this problem? or solution?
i try method like reset wifi and network, try clean cache and data of sim toolkit app, switching working sim
nothing work!
i try to find network setting tap, and click automatic registration it just loading in circle and not seem like would stop

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