How to activate my new SIM?

Activating New Number

• CelcomDigi Postpaid:

Just insert your new SIM – it will activate automatically for immediate use.

• CelcomDigi Prepaid (only applicable for MyKad holders):

Step 1: Download the CelcomDigi app

Step 2: Open the app and select 'Prepaid SIM Activation' under 'Quick Links'

Step 3: Alternatively, if you already have another active phone number logged in on your CelcomDigi app, you may find this menu by selecting 'View All' under 'Your Essentials'. Then, under 'Account', select 'Activate New SIM'

Step 4: Follow the instructions to verify your ID and scan the barcode on the SIM pack. Insert your SIM card, and an SMS confirmation will be sent upon successful SIM card activation.

Note: As of 26 August 2026, the new regulation below are only applicable for CelcomDigi Prepaid activations.

• For Non-MyKad customer, must perform a new SIM registration at an authorized dealer outlet, the registration process will be assisted by the dealer. Non-MyKad customers must present their original ID, and foreign citizens are required to provide additional valid visa information.
• Customers aged 12 to 17 years old requires the consent of their parent or legal guardian. The parent or legal guardian must be present during registration and complete the required biometric verification together with the minor applicant. 
• Online and self-service registration channels are available exclusively for MyKad holders and require a MyDigital ID.

Switching to CelcomDigi (Port-In)

• CelcomDigi Postpaid and Prepaid:

• Look out for a port-out confirmation SMS from your current service provider and follow the instructions to reply.
• Insert your new SIM after you have lost connection to your current service provider.