on 08-08-2018 11:21
Since I updated to iOS 11.4.1 my iPhone X attempts to use dial assist for mobile numbers which start 07. The calls then fail with unknown number. Any number in my contacts that's stored with +44 works fine. If I switch dial assist off then the 07 numbers work.
I did the firmware update while in Ireland so I'm wondering if the phone thinks it's in Ireland. I've checked and the region is set to UK.
Does anyone have any ideas?
Answered! Go to Answer
on 13-12-2019 17:01
It would be nice if VM could just acknowledge this thread and reassure us they are working on a fix. It is a Virgin issue, not Apple!
on 13-12-2019 19:03
I've found a way to replicate this issue at will and am currently experimenting with a fix.
The potential fix I'm experimenting with is to do the following.
Go to:
Settings -> mobile data -> SIM Applications (near bottom) -> tap "Roaming" -> tap "Select Mode"
I found "automatic" was selected by default.
Tap manual -> then choose National.
Now make sure your numbers are set to the correct format. If not change region to anything other than UK (Settings -> General -> Language and Region -> Region) and then change back to UK region.
My hope is that setting this to manual will stop any type of region check and instead simply honour whichever region is currently selected.
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Incase anyones interested you can force/replicate the problem by doing the following:
Settings -> mobile data -> SIM Applications (near bottom) -> tap "Roaming" -> tap "Select Mode"
Tap manual -> then choose International.
Wait a few seconds for your phone to lose signal and the Virgin logo to disappear. Now perform the exact same steps as above but choose "National" at the end. You should find that your numbers are now in belgium format. This seems to show that belgium is the default national region?
I'll update here with my findings.
on 14-12-2019 09:36
I’m a little bit excited about this! I tried it last night at about 7ish, and still as of this morning my contacts are all in the right format...
I'm not letting myself get too giddy yet, as I’ve definitely had the odd day where it hasn’t done it, but usually it’s just constant.
R101 - you could be the saviour! Massive thanks, I genuinely can’t tell you how much this has bugged me for so long! 🙏👍
on 14-12-2019 10:04
on 14-12-2019 11:37
Also no “sim application “ menu on O2. Phone still working correctly since swapping to O2 on Wednesday.
on 14-12-2019 13:34
The problem seems to occur most often for me at work where I regularly lose signal or have 1 bar.. So I won't know whether this has helped until next week when I'm back. I appreciate others trying this out and feeding back 👍
on 14-12-2019 13:55
This is because Virgin SIM cards are unique.
When they moved from EE based cards they had to find a new base roaming partner This is Proximus of Belgium who also program the SIM card. When abroad the APN changes from Virgin to Proximus.
The fact that iPhones kept changing to Belgian prefixes means that somehow iPhones firmware is seeing them as Belgian not UK
The fix above seems to cure that.
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on 14-12-2019 15:28
I’ve applied R101 fix to both our iPhones. Now it’s just wait to see how effective it is. It certainly looks good.
Also wait for VM to respond positively. I’m ready to swap network provider but have 10 months left on both contracts so it is likely to cost me.
Thanks R101
on 14-12-2019 15:57
Thank you for the explanation enlli.
"The fix above seems to cure that."
Well this remains to be seen. If all the setting does is prevent automatic switching between national and international roaming then I assume the issue could still reoccur if the phone checks what the default "national" region should be and decides on Belgium?
If it prevents automatic roaming/region check in general then maybe it does the job 🤞. I'm not sure how this will effect people travelling abroad though?
I guess time will tell.
In the interest of honesty there was a further setting I changed before the above. in Settings -> Mobile Data -> Network Selection I unticked automatic and manually chose the Virgin network.
I don't know that this makes any difference at all but thought I should mention it in case I see different results to others.
on 14-12-2019 20:12
Here goes, just made the changes as you suggest R101.
Nothing ventured, nothing gained.
Fingers crossed.
Cheers R101!