How to Fix Smarty Not Working (2025)

Smarty is a mobile network operated by Hutchison 3G UK Limited that provides SIM cards for smart mobile phones. A new company aims to attract customers by providing cheaper deals.

This is a popular mobile network used by thousands of customers. Unfortunately, the Smarty not working for some users and they are encountering the issues.

If you here looking for a way to fix the Smarty not working problem then don’t worry you are in the right place. In this guide, you’ll learn why is the Smarty not working and how to fix this problem.

Why Is Smarty Not Working?

Smarty is a new mobile networking company which is why encountering the issues will be common. Many users are encountering the issues while using Smarty SIM.

Like any other issue, you encounter the Smarty not working problem for several reasons. To make your work easier we have listed some of the most common reasons that possibly causing this problem to appear.

  • You have not activated the SIM.
  • The SIM is entered incorrectly.
  • Your device is not compatible.
  • Your phone is locked to the previous network.
  • You live in an area where the Smarty network is not available.
  • Your SIM is under the transfer process.
  • Don’t have active plans.

How to Fix the Smarty Not Working Problem

If you are facing issues while using the Smarty SIM then you can fix it by using the troubleshooting methods mentioned below.

1. Make Sure Your SIM is Activated

Whenever you get a new SIM card you need to activate it by entering the specific code or contacting the help line. If you just bought the new Smarty SIM and does not activate yet then you will not be able to use its services.

So, before we start troubleshooting this problem by using any other methods make sure your SIM is activated. If not then visit Smarty’s official website and follow the guidelines to activate the SIM.

2. Reinsert the SIM

Sometimes users are not getting signals because they have placed the SIM incorrectly. If your SIM is activated then you can try reinserting the SIM.

To do that turn off your mobile device and remove the SIM. Now wait a few seconds, put the SIM back correctly, and turn the device ON to check if your problem is fixed.

3. Make sure you are using the 4G-VoLTE compatible device

Smarty only works on 4G-VoLTE compatible devices. If you are using a mobile device with 3G-VoLTE support then you won’t use the Smarty services.

So make sure you are using a mobile device that supports 4G-VoLTE. If you are already using the 4G mobile but still facing the same problem then use another device and check if you are getting the same problem.

If not then there is an issue with your mobile phone.

4. Change Access Point Name (APN) Settings

Whenever you enter the new SIM the Access Point Name settings will automatically change and everything works fine. But sometimes, the access point name settings do not change automatically.

It may be possible that you are facing this problem because your device’s APN settings are incorrect. To fix this problem you need to change the APN settings.

Below we have mentioned the APN settings for Android and iPhone.

On Android Devices:

Navigate to Settings > More… or Connections > Mobile Network > Access Point Names > 3 > Edit Access Point.

Once you are here enter the following information:

  • Name: 3
  • APN: mob.asm.net
  • User name: [leave this field blank]
  • Password: [leave this field blank]
  • MMSC: http://mms.um.three.co.uk:10021/mmsc
  • MMS proxy: mms.three.co.uk
  • MMS port: 8799
  • APN type: [leave this field blank]

On iPhone Devices:

Navigate to Settings > Mobile Data > Mobile Data Network.

Here enter the following information:

  • Mobile Data
  • APN: mob.asm.net
  • Username: [leave this field blank]
  • Password: [leave this field blank]
  • MMS: [leave this field blank]
  • APN: mob.asm.net
  • Username: [leave this field blank]
  • Password: [leave this field blank]
  • MMSC: http://mms.um.three.co.uk:10021/mmsc
  • MMS Proxy: mms.three.co.uk:8799
  • MMS Max Message Size: 307200
  • MMS UA Prof URL

5. Check that you have a working signal

Right now, Smarty services are not available in some regions. It may be possible that you are facing this problem and unable to use the Smarty services because its services are not available in your region.

If you have tried changing the access point name settings but still facing the same problem then you should visit Smarty’s official web page and check if its services are available in your region.

6. Your SIM Is Under Transfering Process

If you transfer to Smarty then you will encounter a little bit of downtime. So don’t worry if you lose signal, or you’re unable to make a call or send a text.

It is a common and temporary issue while transferring these issues will be resolved once the transfer process is completed. generally, transfers should happen within 1-2 days.

That’s it, these are some tips and tricks that will help you fix the Smarty not working problem.

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