I would like to know how to switch from a 4G LTE contract to a 5G contract

You can switch to a 5G contract after changing to an eSIM or replacing your SIM card.

For details, please refer to the information below.

A fee of 3,850 yen (tax included) will be charged for the procedure to change from a 4G LTE to a 5G contract.

Procedures via My au (Web) and iPhone

You can change to a 5G contract using My au (Web) or your iPhone.

Please check the following page for details on the procedure.

For procedures at the shop

You can exchange your SIM card at a near by au Style, au shop, or au dealer.

Please check the details below.

For information about the plans, please refer to the page below.

Click here for details about the plans (in Japanese only)
For more information about 5G, you can check the page below.

Click here for details on 5G (in Japanese only)

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