TPG Mobile – Fix on why can’t make or receive phone calls on iOS 14 | Singapore

Using TPG mobile in Singapore and paired it with iPhone and frustrated to find out that the TPG 4G Voice app is not working (always crashing) on iOS 14 and / or wondering why you can’t either make a phone call or receive any? I got a fix for you.

TPG Mobile (or TPG Telecom) is one of the newest telco company here in Singapore, though actually they are not that new. TPG has been here since 2016 (check here). It’s an Australian-based telecommunication company, founded back in 1986 (here for more details).

Fix for iPhone users with iOS 14 to make or receive phone calls with TPG Singapore

This fix is for iPhone users with iOS 14 and up who find out that the TPG 4G Voice app is always crashing when opened.

For iPhone with iOS 13 or before and/or Android users, head to this article to get your phone call issues fixed: TPG Fix for Android and iPhone with iOS 13 or before at JILAXZONE.

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Here’s what you need to do, to be done on your iPhone running iOS 14 or up:

1) Delete TPG 4G Voice app if you have it – it’s unusable!

2) Go to Settings > Cellular > Cellular Data Options > Voice & Data.

2) Choose LTE or 4G.

3) Switch on VOLTE.

That’s it. Now try either making a phone call to someone else or ask someone else to call you. It should work.

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5 thoughts on “TPG Mobile – Fix on why can’t make or receive phone calls on iOS 14 | Singapore

  • August 2, 2021 at 5:49 pm

    OMG i have TPG line for almost half a year and finally got this fixed. Thank you so much! <3

  • March 15, 2022 at 1:00 pm

    iPhoneX with latest iOS 15.4
    – TPG 4G voice app crashes upon intialization
    – unfortunatelly your trick doesnt work, as under Mobil Data Options, I can choose LTE (or 2/3G) BUT the VoLTE button is not there ….. TPG customer support seems to be at a loos …..
    you have another trick up your sleeve? 🙂
    thanks and cheers

    • March 16, 2022 at 7:53 am

      Hi Sim,

      I am on iOS 15.4 too, and I can find the VoLTE button. Would you try
      1) restart your iPhone to see if it helps?
      2) Turn off and on your TPG data to see if it helps?

      Other than the steps above, unfortunately so far I don’t have other alternative way to get it working.

    • May 30, 2022 at 3:44 pm

      Not sure if your problem is due to Mobile Data setting. But you can try and see if this solves your issue:
      Go to Settings > Mobile Data > Mobile Data Network (then make sure “TPG” is entered for all APN sections, except for MMS, which you should enter “TPGMMS”). All other fields should be blank.


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