Please try restarting the device several times. Also, open "Settings" → "Cellular" on your iPhone and go to "SIMs" to check that eSIM is installed.

If it is not installed, please refer to the manual below and install it again.

Installation Manual

If you are still unable to connect after restarting the device multiple times, please contact us via the inquiry page below.

Inquiry form

After arriving at your destination, the usage will start from the moment you first start communicating, and the number of days will be counted in 24-hour increments.

You can still use data at 128kbps

This is available on any eSIM compatible device that supports tethering.

If you set it up in Japan, the Japanese carrier signal will be displayed, but the eSIM is not be activated. When it is activated, you will receive the following SMS.


Your Global Data SIM { eSIM package name } is activated on { start time }, and will expire on { expiration date }. If you have any questions, please contact customer service at cs@cmlink.com or +852 39756662.