


After checking the details of your contract, you can change to your preferred rate plan.
You can check and change it on My Y!mobile.
Please refer to here for specific steps.
You can set this at the customer center (automated voice guidance).
Please prepare your contract phone number and PIN (4 digits) for the procedure.
You can use some menus without having to enter your PIN.
What you can do with this number (list of voice guidance)
[Reception hours] 24-hour reception via automated voice response (open all year round)
From Y!mobile phone | 116 |
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From other companies' mobile phones, landlines, etc. | 0120-921-156 |
Please have your contract phone number and My Y!mobile login password ready to complete the procedure.
If you are using this service for the first time, please prepare your contract phone number and PIN (4 digits).
Please visit your nearest Y!mobile shop directly.