SingTel Prepaid – Fix for Hi! SIM Card unable to connect to Internet | Singapore

Frustrated because your SingTel Prepaid Hi! SIM card unable to connect and browse the Internet? You are on the right place to get it solved!

Using SingTel Prepaid in Singapore? Wondering why you can’t connect to the internet although you have restarted your phone and have reinserted your SingTel Prepaid Hi! SIM Card in and out multiple times ? I got a fix for you.

For the record, SingTel is offering the cheapest, most affordable and probably the best prepaid plan you can get here in Singapore via its YAY! Monthly plan, read here for my complete review on it: SingTel Prepaid Review why it’s the best prepaid plan in Singapore on JILAXZONE.

Fix if you are unable to connect to internet using your SingTel Prepaid Hi! SIM Card

The issue where you are unable to connect to Internet with your SingTel Prepaid Hi! SIM Card is happening mostly due to these 3 reasons: 1) you are running out of your Internet quota or 2) you just change to a new phone with your existing SingTel Prepaid Hi! SIM Card or 3) you are buying a new SingTel Prepaid Hi! SIM Card and nobody helped you to set it up.
Unable to connect to Internet? Check the following fixes below.

To be able to browse the internet successfully, you need to:

1) Check remaining balance & quota

Ensure you have either a) any balance left on your Main Balance or b) you have any SingTel Prepaid Data Plan with you and there are still remaining Internet quota.

To check remaining balance / Internet quota on your SingTel Prepaid Data Plan, download SingTel Prepaid Hi! App.

AndroidSingTel Prepaid Hi! App on Google Play
iOSSingTel Prepaid Hi! App on App Store

2) Check APN Settings

Next step would be to check your phone APN (Access Point Name) settings. APN is the “gateway” between your phone and your telco operator (in this case SingTel), to enable you to connect and browse the Internet. On most cases, the APN was setup wrongly hence you can’t connect to the Internet.

On Android (the steps & menu may vary on different Android devices):

a) Go to Settings > Mobile Network > Access Point Name.

b) Tap on New APN or edit existing.

On iOS (iPhone / iPad):

a) Go to Settings > Cellular > Cellular Data Network.

On both Android and iOS:

a) Enter the following settings for Cellular Data / Internet.

ItemCellular Data / Internet
Username<leave blank>
Password<leave blank>

b) Enter the following settings for MMS.

Username<leave blank>
Password<leave blank>
MMS Proxy165.21.42.84:8080
MMS Max Message Size307200
MMS UA Prof URL<leave blank>

Once you have setup the APN settings like above, you should now be able to connect and browse the Internet – including receiving WhatsApp / Facebook notifications.

Let me know on the comment below in case you are still encountering issue connecting to the Internet even after setting up the APN like mentioned above, I’ll try my best to help you out. Cheers!

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15 thoughts on “SingTel Prepaid – Fix for Hi! SIM Card unable to connect to Internet | Singapore

  • November 17, 2021 at 1:43 pm

    Appreciate and thank you for the valuable and precise information

  • March 24, 2022 at 4:02 pm

    Thanks, followed the steps but it still says “Connected (No internet access)”

  • September 5, 2022 at 8:22 am

    Bravo, jilaxzone, you make my day. I was struggling to connect. Thank you so much for this forum. It really helps a lot. Thumbs up 👍

  • September 22, 2022 at 1:15 pm

    Thank you so much!
    I had exactly same problem and followed your instruction (reset APN)
    then solved! no need to go Singtel with long queue

    Have a great day 🙂

  • January 11, 2023 at 2:51 pm

    it worked – thanks! information about APN settings found on Singtel were different and incorrect for Hi card. cheers mate!

  • January 23, 2023 at 12:18 pm

    Travelling on merchant ship product tanker But maafi wifi

    Pls help
    Registered net plan getting over 24 one month.

  • October 27, 2023 at 2:19 pm

    Hi. I’m trying to connect in Bali. Bought the hi card in SG and added pre-paid roaming before leaving for Bali (can see on the app I have the credit). Followed the steps above and when I try to activate the bundle it is still not recognizing the roaming plan. Any suggestions please?

    • October 28, 2023 at 1:25 pm

      Hi Nina,

      Sorry for this to happen to you. Have you tried to restart your phone to see if it works?

  • October 31, 2023 at 12:02 am

    Made the settings changes but my iPhone doesn’t pick anything – keeps with the “No Service”

    I have tried restarting it but nothing

    Appreciate your help!

    • November 5, 2023 at 9:52 pm

      Hi Oscar,
      Could be your SIM Card is obsolete. Recently SingTel has program to exchange old SIM Card to 5G-enabled SIM Card for free. Do check out SingTel website for more info, who knows they make similar events in the coming future.

      • March 18, 2024 at 2:34 pm

        it worked for me – thanks!

        when i tried default setting from Singtel APN it doesn’t work but after change APN setting from yours then restart my Iphone, brilliant absolutely genius.
        Thanks mate.

  • December 24, 2023 at 8:47 am

    Thanks!!! You are brilliant for posting this. It worked for me in Thailand. Tried reaching out to Singtel customer service but it will take 1-3 days to get a call back. Not really ideal when on holiday! Thank you!


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