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I have a new iphone 12 pro and a contract with O2 which gives me 4G and WiFi calling. I have an eSIM which is my default for voice and data. When I go to Settings / Mobile Data there is no option to see Mobile Data options so i can not see if 4G is enabled on my phone and there is no option to turn roaming on and off. Can anyone help?
I have the eSIM turned on as my Primary line for both voice and data. The hard SIM is installed for use when I go abroad (unlikely at the moment!) The hard SIM is turned off at present. Under these settings, no mobile data options are visible.
I removed the hard SIM from my phone so that it was connecting to voice and data only through the O2 eSIM. On re-inserting the empty sim tray, no "mobile data options" was visible, but after following the prompt to update my contacts from the hard SIM data plan to the eSIM, immediately, the "Mobile Data Options" was visible under Settings / Mobile Data. It seems that when both the eSIM and hard SIM are in the phone, even when the hard SIM is turned off, this option is not available.
Do you think this is a problem? Should i simply remove the hard SIM and only insert it when I am travelling for use abroad? I do not know if there is a real problem with being unable to access Mobile Data Options for the eSIM
Thank you
I have the eSIM turned on as my Primary line for both voice and data. The hard SIM is installed for use when I go abroad (unlikely at the moment!) The hard SIM is turned off at present. Under these settings, no mobile data options are visible.
I removed the hard SIM from my phone so that it was connecting to voice and data only through the O2 eSIM. On re-inserting the empty sim tray, no "mobile data options" was visible, but after following the prompt to update my contacts from the hard SIM data plan to the eSIM, immediately, the "Mobile Data Options" was visible under Settings / Mobile Data. It seems that when both the eSIM and hard SIM are in the phone, even when the hard SIM is turned off, this option is not available.
Do you think this is a problem? Should i simply remove the hard SIM and only insert it when I am travelling for use abroad? I do not know if there is a real problem with being unable to access Mobile Data Options for the eSIM
Thank you
I now completely understand your scenario. I also duplicated the scenario on my iPhone 12 Pro Max. I moved my cellular service for voice and data to the eSIM and simply turned the Physical SIM OFF. The results were the same what you are experiencing. I could not see the Cellular Data options. Once I removed the Physical SIM card then all was working well with the eSIM.
What I learned from this is that if you have a Physical SIM card inserted along with an active eSIM then the Physical SIM card mush be set to ON as well. If the Physical SIM card slot is set to OFF then the SIM card should be removed.
Axel F.
Try and Force Restart your iPhone EXACTLY as shown below and see whether that resolves the issue:
Axel F.
Thanks for the reply. I followed your instructions and forced the restart. When the phone came to life again 4G flashed in the top right of the screen and was replaced by the WiFi symbol
when I opened Mobile Data in Settings there are still no Mobile Data Options available
any more suggestions please?
Can you please contact O2 support team as well to ensure that they have set up your account correctly? I ask you to do that because O2 has the control over the availability of 4G service to your account.
Axel F.
Totally impossible to speak to a person at 02. but I have now re-set network settings. Before re-joining my home wifi the phone was showing 4G in the top right. as soon as i connected, i can only see the wifi symbol.
Mobile Phone Options does not show but I wonder if this is because i have both an eSIM and a hard SIM installed, so i simply have to turn mobile data off for whichever one of these I am using? No 4G option anywhere although it is clearly working.....
No. The Dual SIM function has nothing to do with it. I have had DUAL Sims since the iPhone Xs Max was introduced. No issues there. Question - Are you, by any chance, using the beta version of iOS 14?
Axel F.
You mentioned that you have an eSIM and a Physical SIM installed. I am assuming that these two are separate and active lines with their own respective phone numbers. Try setting up a default voice line (Physical SIM) and a default data line (eSIM). Does that resolve the issue? Furthermore, if that does not work then try turning OFF one line and see whether the issue continues.
Axel F.
That all makes sense - thanks very much for your help with this
You are welcome.
Axel F.
I am using 14.3 (18C66)
No Mobile Data Options visible
