All active SIM cards must be registered to authorized users in accordance with the Philippines SIM Registration Act. Subscriptions to Sun Cellular, which is now a part of Smart Communications Inc., need to register their SIM cards online using the SMART SUN SIM registration portal. 

SUN SIM Registration

The law’s principal purpose is to combat spam messages and text fraud by ensuring that all active SIM cards are linked to legitimate users. It is free and essential to register. The SIM card will be deactivated if registration is not completed within the allotted time, making it inaccessible for calls, messages, or mobile data services. 

You will find all the information you need to correctly register your Sun Cellular SIM card online in this extensive tutorial. It covers necessary documentation, a detailed procedure for registering via smartphone and the internet browser, and the repercussions of not complying. You can make sure your SIM is still active and working by following this procedure.

Requirements for SUN SIM Registration

Before you begin the registration process, make sure you have a valid photo ID. 

Accepted IDs include:

  • Passport
  • Philippine Identification System ID (National ID)
  • SSS ID
  • GSIS e-Card
  • Driver’s License
  • NBI Clearance
  • Police Clearance
  • Firearms License to Own and Possess ID
  • PRC ID
  • Integrated Bar of the Philippines ID
  • Overseas Workers Welfare Administration ID
  • BIR ID (TIN)
  • Voter’s ID
  • Senior Citizen’s Card
  • UMID
  • Persons with Disabilities card (PWD ID card)
  • Other valid government-issued IDs with a photo

SUN SIM Registration Deadline

Before July 25, 2023, active subscribers of Sun Cellular (now Smart) must register their SIM cards. If you do not register within this period, your account will be automatically deactivated. 

Learn More: Detailed Globe SIM Registration Process

However, a deactivated SIM card will have a 5-day grace time to register and reactivate. If you miss this grace period, your SIM card will be permanently deactivated, requiring you to buy a new one.

The Advantages of SIM Registration

Setting up a SIM card account has various advantages:

  • Increased Security: Ensures that your SIM is linked to your identity, lowering the danger of criminal activity. 
  • Spam Reduction: Helps to reduce spam communications and text scams.
  • Regulatory Compliance: Ensures that you are in line with national regulations to prevent penalties.
  • Continuity of Service: Guards against your cell phone operations being interrupted.

SUN SIM Registration Steps

Using an Online Portal

  • Enable Mobile Data: Verify that your mobile data is turned on.
  • Start Browser: Run your preferred web browser, such as Firefox or Google Chrome.
  • Go to the website for registration: Open the simreg.smart.com.ph website. There is no cost associated with using the portal.

Adding Your Phone Number in

  • Enter mobile phone Number: Type in your Sun Cellular 10-digit mobile number, such as 9231234567.
  • Accept Terms: Check this box to accept the privacy notice and terms and conditions of Smart.
  • Send OTP: To get a One-time PIN (OTP) by SMS, click the “Send OTP” selection.
Add Your Number for SUN SIM Registration

Confirming The OTP

  • Get OTP: Look for the SMS containing the six-digit OTP to arrive.
  • Enter your OTP on the registration portal.
  • To confirm the OTP, press the “Verify OTP” button. It should be noted that the OTP remains effective for a duration of five minutes.

Sharing the information about Customers

  • Decide on the Type of Registration: Pick the registration type. 
  • Select ID Type: From the drop-down menu, choose an official identification for yourself. 
  • Upload your ID and a selfie: For identity verification, submit a selfie in a PNG or JPG file that is no larger than 5MB, along with a digital copy of your ID. 
  • Provide The exact details: Fill out the ID card number, name, birthday, gender, and nationality boxes that are relevant. 
  • Press “Next” to proceed. 

Providing Your Address

  • Address Input: Type the address exactly as it appears on your ID. 
  • Alternative Contact: For communication purposes, include a backup email address or cell phone number. 
  • Proceed: After providing the necessary information, click “Next.”

Reviewing and Confirming Information

  • Check Information: Verify the accuracy of all the data that was entered. 
  • Verify Information: Check this box to attest to the accuracy and truthfulness of the data you’ve provided. 
  • Promotional Messages: You can choose to receive Smart promotional messages by checking this box. 
  • Complete Registration: After completing the registration, click “Next.”

Confirmation and Finishing

  • Receive Control Number: On your screen, a control number (series of letters and numbers) will show up. 
  • Save Control Number: As verification of registration, save this number. 

Free Data: After a successful joining, you will get 3GB of free data.

Registration Succesful for Sun SIM

Penalties for Non-Compliance

Your Sun Cellular SIM card will be deactivated if you don’t register it within the allotted time. This implies that you won’t be able to use mobile data, send or receive text messages, or place or receive calls. 

Just In: Step-by-Step Process of GoMo SIM Registration

It will be possible to register and reactivate a deactivated SIM card for five days after it has been deactivated. The SIM card can be permanently disabled after this grace period, in which case you may be required to purchase a new one.

A Few Tips for an Easy Registration Process

Gather the Necessary Documents: Before starting the registration procedure, make sure you have a current photo ID on hand. 

Stable Internet Connection: To prevent interruptions when registering, make use of an uninterrupted Internet connection. 

Accurate Details: To avoid mistakes and delays, reconfirm any information that has been input. 

Save Control Number: As evidence of a successful registration, keep a copy of the control number. 

Read More: Complete TM SIM Registration Process!

Register Early: To avoid potential SUN SIM registration problems and guarantee continuous mobile services, avoid registering at the last minute.

Common Issues and Troubleshooting

OTP Not Received: Verify that your phone number is correct and check your network connection if you are not receiving the OTP. After a couple of minutes, attempt to submit the OTP again. 

Invalid ID Upload: Verify that the selfies you upload have good clarity, are in the right format (JPG or PNG), and don’t weigh more than 5MB. 

Verification Failed: Verify the data again, paying close attention to the ID number and personal data. Make sure the information matches what’s on your ID. 

The simple process of registering your Sun Cellular SIM card is intended to improve security and lower the frequency of spam messages and text fraud. 

For a detailed guide on registering your TNT sim, visit us!

You can successfully finish the registration procedure and carry on taking advantage of mobile services without disruption by following the detailed instructions provided in this instruction and giving proper information. 

Note that the registration procedure is free of charge and finishing it on time will shield your mobile access from any interruptions. In order to stay out of trouble and keep continuous access to your mobile network, make sure you register your SIM card before the deadline.

Sun Sim Registration Key Features in 2024

FeatureDescription
USSD MenuDial *247# to utilize Sun Prepaid and Post-paid offers.
Text HotlineText SUNSAGOT to 1200 for 24/7 inquiries on promotions and facilities.
Postpaid MenuText SUNSAGOT Postpaid to 1200 for Post-paid menu access.
Prepaid MenuText SUNSAGOT Prepaid to 1200 for Prepaid menu access.
Broadband MenuText SUNSAGOT Broadband to 1200 for Broadband menu access.
General InquiryText SUNSAGOT to 1200 for inquiries about Sun services and promos.
Prepaid BalanceEnsure at least a P1.00 balance for SUN SAGOT access on Prepaid.

Start Using 5G with a SMART SIM in the Philippines

1. Verify 5G Coverage:


Find out whether you are in the 5G coverage region of SMART. For a coverage map, you can get in touch with customer care or go to the SMART website.

Learn More: Globe Promos for Free Internet

2. Compatibility of Device:


Make sure that your device is ready for 5G. This implies that your gadget or smartphone needs to support 5G technology. For confirmation, consult your device’s handbook or the manufacturer’s website.

3. 5G-Ready SIM Card

Make sure the SMART SIM card you’re using is 5G-ready. It could be necessary to replace your outdated SIM card with one that supports 5G. If you need to upgrade your SIM card, go to any SMART store.

4. Set Up Your Device for 5G:

Navigate to the settings on your device.
Go to the connections or network settings menu.
Choose a mobile network and confirm that 5G is turned on.

5. Update Your Device:

Verify that the software on your device is current. Updates to the software might offer support for new network features like 5G and enhance connectivity.

6. Turn on 5G:

Occasionally, a particular APN (Access Point Name) setting is needed to turn on 5G. If you are having trouble finding the correct APN settings, check the SMART website or get in touch with customer care.

7. Test Your Connection:

Verify 5G speeds by browsing the internet, streaming films, or utilizing data-intensive applications after checking all settings are accurate.

8. Roaming Activation:

Before you depart the Philippines, make sure your SMART prepaid SIM is enabled for roaming.
Often, you can do this by using the SMART app or by dialing a specific code.

To activate roaming, get in touch with SMART customer care if you require assistance.

9. Plans for Prepaid Roaming:

GigaRoam: Provides data roaming packages suited for particular nations or areas. Available across 131 countries!
Examples include Asia Roam Giga Surf packages for neighboring Asian nations.
Travel Like Never Before! Offers limitless data roaming in a few locations.
Available for predetermined times, such as one, three, or seven days.

10. Checking Your Roaming Status:

To check your roaming balance and status while traveling overseas, use the SMART app or phone a particular code.

11. Top-Up Options:

SMART’s website, partner merchants, and online means are the ways to top off your prepaid account when traveling overseas.

Postpaid Roaming Options

1. Roaming Activation:

Most SMART postpaid plans come with automatic roaming activation. However, it’s best to confirm with SMART customer support before traveling.

2. Postpaid Roaming Plans:

Travel Plus Roaming Plans:

Offers data, calls, and SMS packages suited for frequent travelers.

Plans may include unlimited data roaming, discounted call rates, and free incoming SMS.

Data Roaming Manager:

Helps you monitor and control your data usage abroad to avoid bill shocks.

Can be accessed via the SMART app.

3. International Add-Ons:

Add specific international roaming packages to your existing plan.

Includes options like unlimited data roaming for a set number of days in various regions.

4. Billing and Usage:

Post-paid customers can monitor their usage and billing details through the SMART app or online account portal.

SMART offers detailed breakdowns of roaming charges to help you keep track of your spending.

5. Customer Support:

SMART offers dedicated support for roaming users. You can contact them via the app, website, or through international customer service numbers.

Related: DITO SIM Registration Details

You may immediately start using 5G on your SMART SIM and take full use of SMART’s roaming services for both postpaid and prepaid users by following these steps and recognizing your options.

How to Check if You’re on LTE?

1. Text SIMCHECK to 5832 FREE OF COST to verify if you are on an LTE SIM. If yes, there’s no need to upgrade. 

2. Not yet on LTE? Visit any Sun Shop near you to upgrade your SIM to LTE for FREE.

3. Not all devices are LTE compatible. Visit GSM Arena to check if your mobile phone is LTE-ready.

Frequently Asked Questions:

When will SUN become SMART? 
In early 2023, Sun Cellular, which has been a part of Smart Communications Inc. since 2016, formally made the switch to become a fully integrated part of Smart. 

The shift is part of a deliberate effort to improve the user experience and speed up services. By moving to Smart, all Sun customers will be able to take advantage of their better service options and wide network coverage.

Who are the affected subscribers?

This change affects all Sun Cellular users. Subscribers of Sun Postpaid, Sun Prepaid, and Sun Broadband services are included in this. 

These subscribers can now take advantage of the enhanced features and coverage offered by Smart Communications Inc. under the Smart.

Do my Sun Prepaid and Sun Broadband Prepaid SIM cards need to be replaced?

No, your Sun Prepaid or Sun Broadband Prepaid SIM cards do not need to be changed. The current SIM cards will still work normally, but they will now be identified by the Smart brand. 

To be compliant with the SIM registration regulations, you must register your SIM cards in accordance with Smart’s guidelines.

What are the new charging rates? (SMS, phone call, roaming, etc.)

Sun subscribers will be in line with Smart’s current billing rates after the switch. Among these rates are: 

Calls: The standard rate for local calls is PHP 6.50 per minute. 

SMS: The cost of a local SMS message is PHP 1.00. 

Mobile Data: Depending on the plan or promotion you choose, different data charges apply. 

Roaming: Smart’s usual international roaming costs, which differ by nation and particular roaming agreements, will apply when roaming abroad. 

How do I now buy a load? What do I tell the retailer when I buy an E-Load?

Tell the shop that you must load your Smart number while making a purchase. The load cards and electronic load services that are now in use are still available. 

All you have to do is enter your phone number and how much load you want to buy. Retailers have all they need to manage Smart load transactions with ease.

Can I still use *123# in availing promos?

Yes, you may still utilize *123# to receive exclusive offers. Users who are switching from Sun Cellular to Smart can enjoy a variety of promotional discounts and services using this USSD code.

Can I still avail my favorite SUN Promo offers? How?

While some of the current Sun promotions will be accessible under the Smart brand, others might be replaced by greater value or very similar deals from Smart. 

By dialing *123# or using the GigaLife app, which offers a constantly updated list of all available promotions and deals, you have access to the available promos.

Can I now use a SMART Call and Text Card to load my SIM?

Yes, you can load your SIM card using SMART Call and Text Cards. These cards offer a simple way to top up your account with call and text credits because they work with all Smart and outdated Sun SIM cards.

How do I now check my balance?

There are various methods by which you can check your balance: 

  • Send the text message “BAL” to 214 for free. 
  • Dial *123# and follow the directions to check your balance. 
  • GigaLife Application: Download and sign in to the GigaLife app to monitor your balance and manage your account. 

What will happen to my active SUN Promo? Can I still use it?

Offers from Sun will stay active until their respective expiration dates. You can carry on using these promotions as planned. Once the promotion has ended, you can take advantage of other very similar or improved offers from Smart.

Can I still use GIVE A LOAD and GIMME LOAD since SUN Prepaid is now Smart?

Yes, you are still able to utilize GIMME LOAD and GIVE A LOAD. Due to the integration of these services into Smart’s system, you can share the load with other Sun or Smart subscribers.

I’m leaving the country. How do I activate roaming now? How do I use SMART International Roaming Services?

To activate international roaming services, follow these steps:

Send “ROAM ON” to 333 to turn on roaming before you go. Make sure you complete this at least one day in advance of your departure. 

Utilizing Mobile Apps: Your phone should initiate an automatic connection to a partner network once it is overseas. Call, text, and data services are available to you at the roaming rates that are in effect in the country you are visiting.
When you go back to the Philippines, send “ROAM OFF” to 333 to deactivate roaming.

Where can we call for assistance? What is the hotline number?

You can get help by calling Smart’s customer support number. To get help in person, go to the closest Smart shop or use your phone to dial 8888-1111. 

You can also get in touch with Smart via the support area of the Smart website or through the company’s official social media accounts.

My Sun Account is with me. Can I still use it? Or do I need to sign up for My SMART?

Existing My Sun Account holders are urged to register for My SMART. Although My Sun Account may still offer certain functionality, switching to My SMART guarantees a smooth transition and access to all current services and benefits.

Can I use the new GigaLife app?

Yes, you can use the GigaLife app if you are a former Sun subscriber. Using the app is a quick way to keep an eye on your data usage, check your balance, manage your account, and take full advantage of promotions. 

Get the app from the Apple App Store or Google Play Store, then enter your phone number to log in.

How to register a Sun SIM card online?

Summarized Step-by-Step Registration Guide via Browser

Access the Online Portal:

Activate mobile data.

Open your web browser and go to simreg.smart.com.ph.

Enter Mobile Number:

Input your 10-digit Sun Cellular mobile number.

Agree to Smart’s Terms & Conditions and Privacy Notice.

Click “Send OTP” to receive a One Time PIN (OTP) via SMS.

Verify OTP:

Wait for the 6-digit OTP via SMS.

Enter the OTP on the portal and click “Verify OTP” (valid for 5 minutes).

Provide Customer Information:

Select the type of registration.

Choose your valid ID from the drop-down menu.

Upload a photo or scan of your ID and a selfie (PNG or JPG, max 5MB).

Fill in the required details (ID Card Number, Name, Birthday, Sex, and   Nationality).

Click “Next.”

Enter Address Information:

Enter your address as shown on your ID.

Provide an alternate mobile number or email address.

Click “Next.”

Review and Confirm Information:

Review and verify all entered information.

Confirm the accuracy of the information.

Optionally, opt-in for promotional messages from Smart.

Click “Next.”

Completion and Confirmation:

A control number will appear on your screen; save it as proof of registration.

Receive 3GB of free data upon successful registration.

How to fix Sun SIM card registration failure?

If you are unable to register your Sun SIM card, do the following: 

  • Verify Network Connection: Make sure your internet connection is reliable. 
  • Correct Information: Confirm that all of the data you supplied is true and corresponds to your identification. 
  • Clear Browser Cache: Try again after clearing the cookies and cache in your browser. 
  • Use an Alternative Browser: Experiment with a different web browser or gadget. 
  • Contact care: For help, get in touch with Smart customer care if the problem continues.
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