How to Activate Smart and TNT Sim Cards 5g | Easy Guide

Is your Smart or TNT SIM card not working even after registering it? Don’t worry about it. You need to activate or unlock your new SIM card. Activating your SIM card may sound technical, but it is straightforward. You won’t be able to make any calls and sms until you activate your Smart and TNT sim cards. You just need to follow the simple steps we gave you. Let’s discuss them.
Why Activate Smart or TNT Sim Cards?
It is necessary to activate your SIM cards to enjoy their services and unlock the features of Tnt and Smart Sim card. Let’s discuss more about it.
- Network Access: We all buy sims to connect with our loved ones. So, if we don’t activate our SIM cards, we can access the networks.
- Packages and Promos: You can’t subscribe to any package of calls or texts until your SIM is activated. Some promos are only available after activation.
- Identification: Once you activate your sim card, your personal information is added to the Smart system, which helps you later when you lose your sim card.
Insert Your Smart Sim Card
Turning the mobile off before changing the SIM is better for some mobile phones. So, turn your mobile off and find the sim slot on your device’s left side. Use a SIM ejector to eject the slot and insert your smart SIM by aligning it correctly. Now, turn your device on.
Start the Activation Process
Most of the sim cards are activated automatically once they are inserted into the device. The signal bar will appear on the screen, but you can take the following steps if you don’t see it.
Check For a message
You will receive a message after inserting your SIM card. This message will probably have instructions on how to activate your SIM card. This is what it will look like.

Smart Postpaid Sim Activation
If your SIM is not automatically activated, manually activate your Smart SIM card by dialing a code. The same dial code is used for TNT sim activation. The activation may vary from region to region.
1. Open the dial pad on your mobile, dial *123#, and hit the call button.

2. Choose option 3, “Activate MNP Sim and other services.”

3. Choose Mobile Number Portability by entering ‘1’.
4. Enter your 11-digit Smart or TNT mobile number and send.

5. Enter the 9-digit Unique Subscriber Code(USC) sent to your number.
6. Enter ‘1’ to confirm the activation. You will receive a confirmation message.
7. Restart your mobile device to enjoy smart sims LTE services.
Smart Prepaid Sim Activation
There is not much difference between postpaid and prepaid sim activation, but let’s discuss the steps in detail for your convenience.
- Dial *123# from your mobile number.
- Select MNP Sim and other services.
- Select number ‘1’, Mobile Number Portability.
- Enter the sim number you want to activate.
- Enter the Unique Subscriber Code you received on your Sim.
- Select the prepaid brand that you want to activate.
- Type ‘1’ to confirm, and you will get a message of confirmation.
- Restart your phone and your new SIM.
Register Your SIM Card
If you are facing issues activating your SIM card, register your smart SIM card. To do this, you must visit their website’s Smart Sim Registration Portal. Provide the required documents and get registered.
Configure Your Phone Settings
Some devices may require additional configuration in your mobile phone to work on the internet.

Check APN Settings
- Go to Settings on your mobile device and then Mobile Network. Find the Access Point Name(APN) there.
- Select the New APN and enter the details of Smart APN, which you can find on their website or in the sim packaging.
- Save the new APN and set it to Default.
- Turn on your mobile data.
Test Sim Card Activation
Once you have gone through the entire process, check whether your smart sim card has been activated. You can follow these steps to achieve this.
- Try to dial a local number and see if the call connects. If the call is connected, Sim is activated.
- Try to send a message to a local number.
- Turn on the mobile data and try to browse something on the internet. See if the page loads or not.
Troubleshooting Common Issues
It is common to encounter some issues during the process. So, If you face any issues after the activation, don’t panic. Here are the solutions for you.
- No Signal: Ensure your SIM card is inserted properly in the slot. Sometimes, a slight misalignment can create the issue.
- If there is still no signal, change your area. You might be in a place where there is no strong internet coverage. By changing your location, it might be fixed.
Contact the Smart Support Team
If you are still facing an issue or your SIM is not working properly, contact their support for further assistance. For this, you can contact their hotline numbers, or you may visit a retailer near you. Here is the list of TNT and Smart Hotline Service Numbers.
- (02) 8 888-1111
- *888
- *777
Conclusion
Activating your Smart SIM Card is necessary to use smart services. Once your SIM is activated, you can enjoy calls, text messages, and browse the internet for entertainment.