After activation, the number of days of the package will be calculated based on natural days (with the activation day counted as one day).

Instructions for Use How to Activate If you have any questions during use, please add WhatsApp +852 92901111 or email cs.support@multi-byte.com. We will assist you as soon as possible! (Service hours: 24 hours, 365 days a year)

※ If you are using an iPhone and have updated to iOS 17.4 or later, you can install the eSIM with one click through the Trip.com app. (If this doesn't work, please confirm that both the app and iOS have been updated.)
• iPhone: Settings > Mobile Data > Add eSIM • Android: Settings > Network & Internet > SIM Card > Add eSIM (the process may vary slightly depending on the brand).
• Android: Settings > Network & Internet > SIM Card > Add eSIM (the process may vary slightly depending on the brand).

[Install eSIM]
1. Open the QR code attachment in the Trip.com APP booking and print it out or save it to another electronic device in advance. (iOS 17 and above and some Android phones can directly save the QR code image to the phone)
2. Open Cellular network (iOS) or SIM card management (Android) in Settings.
3. When your phone is connected to the Internet, click “Add Cellular Network” (iOS) or “Add SIM Card Management” (Android) and scan the QR code to install it.
4. If you cannot scan the QR code, you can enter the "SM-DP + Address and Activation Code" in the booking voucher to install it.
5. If you fail in step 3 or 4, your phone may be network locked by the operator in Permanent address(unable to use other operators' network bands), and you need to contact the operator to unlock it before using eSIM.

[Using eSIM]
1. Turn off the main card and turn on the eSIM network switch.
2. Enable the cellular network (iOS) or SIM card (Android).
3. Turn on data roaming.
4. If you still cannot access the Internet after the above settings, please set the APN and restart. See the information below for details.

[About APN]
1. If you purchase an eSIM that covers multiple countries/regions, when you arrive in a new area, if you cannot connect to the Internet, please manually switch the APN (it will switch automatically under normal circumstances)
2. Setting path: Cellular number Cellular data network, or setting mobile network access point name Add
3. Enter APN: MB
4. Restart the phone.