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eSIM service for Apple Watch?

eSIM for Apple Watch is a MultiSIM service that lets you use one phone and one Apple Watch with the same phone number.

Learn more Apple Watch models supporting MobiFone MultiSIM
iPhone and Apple Watch sharing the same service

Benefits

  1. Share your data plan

    Enjoy seamless connectivity on your phone and wearable without complicated setup.

  2. Share one phone number

    Works independently without a Bluetooth connection for convenience in everything you do.

  3. Stay connected independently, wherever you are

    Make and receive calls, messages and notifications on your watch without carrying your phone—ideal for workouts, running and outdoor activities.

Terms of Use

iPhone & Apple Watch GPS + Cellular

Compatible devices

Apple Watch GPS + Cellular running watchOS 27.2 or later:

  • Apple Ultra 2 / Ultra 3 / Ultra 4
  • Apple Watch Series 9, 10, 11, 12
  • Apple Watch SE 3

iPhone updated to iOS 27.2 or later:

  • iPhone 18 series: iPhone 18, 18 Pro, 18 Pro Max, iPhone Duo
  • iPhone 17 series: iPhone 17, 17 Plus, 17 Pro, 17 Pro Max, 17 Air, 17e
  • iPhone 16 series: iPhone 16, 16 Plus, 16 Pro, 16 Pro Max, 16e
  • iPhone 15 series: iPhone 15, 15 Plus, 15 Pro, 15 Pro Max
  • iPhone 14 series: iPhone 14, 14 Plus, 14 Pro, 14 Pro Max
  • iPhone 13 series: iPhone 13 mini, 13, 13 Pro, 13 Pro Max
  • iPhone 12 series: iPhone 12 mini, 12, 12 Pro, 12 Pro Max
  • iPhone 11 series: iPhone 11, 11 Pro, 11 Pro Max
  • iPhone SE (2nd generation or later)

Subscription requirements

  • Prepaid subscribers must have an active line and sufficient main account balance.
  • Postpaid subscribers must have an active line and sufficient available credit to subscribe to or renew the service.
  • Subscribers must have VoLTE enabled and must not already be subscribed to MultiSIM for Apple Watch.
  • The iPhone must be connected to the Internet via Wi-Fi or 3G/4G/5G.

User guide

  1. Turn on your Apple Watch by pressing and holding the side button.

  2. Pair your iPhone and Apple Watch manually, or open the Apple Watch app on your iPhone and select Start Pairing.

  3. Open the Apple Watch app on your iPhone, select My Watch, then select Cellular.

  4. Select Set Up Cellular

  5. Continue select Set Up Cellular

  6. When the web interface appears, select Continue.

  7. Enter the ID Card/Passport number registered for the mobile number on your phone, then select Login.

  8. The system will display the eSIM service screen for your watch; select Continue.

  9. To register for the service on your Apple Watch, select I have read and agree to the Terms and Conditions, then select Continue.

  10. The screen will display "Activating" while waiting for eSIM activation.

  11. The screen will display a confirmation that eSIM registration was successful.

Turn on your Apple Watch by pressing and holding the side button.

eSIM fees

(Until 31/12/2026: When subscribing to the service, customers receive free registration, a free eSIM and three months of free service)

Prices effective from 1 January 2027

Service activation packageVND 150,000

eSIM price
VND 25,000
Activation fee
VND 100,000
First month service fee
VND 25,000/ 31 days.
Service renewal for subsequent months:VND 25,000/ 31 days.

(The package renews automatically if the prepaid main account has sufficient balance or the postpaid subscriber meets the renewal requirements.)

Frequently asked questions (FAQs)

Can I use this service with a non-Cellular Apple Watch?
To use this service, your Apple Watch must be a Cellular model.
What issues may occur if the Apple Watch is too far away from the iPhone during the pairing process?
If the Apple Watch is too far away from the iPhone, the Bluetooth connection may be lost, preventing the service activation process from being completed.
Does MobiFone provide eSIM services for wearable devices?
MobiFone has been providing eSIM services for Apple Watch devices since October 26, 2026.
What is the minimum account balance required to use the eSIM service for Apple Watch?
MobiFone offers the service free of charge until December 31, 2026. From January 1, 2027, the initial service registration fee will be VND 150,000.
Can the Apple Watch and iPhone share the same mobile number when using this service?
Yes. This service allows the Apple Watch and iPhone to share the same mobile number.