


As of January 31, 2021, Y!mobile will stop offering PHS rate plans, excluding PHS telemetering plans.
As a result, customers using the affected plans will no longer be able to use the services.
All rate plans for car navigation systems will be discontinued as of July 31, 2020.
New Willcom Fixed-Price Plan | New Willcom Fixed-rate Plan S | New Willcom Fixed-rate Plan GS |
Mobile phone plan | Mobile Basic Plan | Standard Course |
WILLCOM Fixed-price Plan | Triple Plan | New Triple Plan |
PacketCominet | Unlimited connections | New unlimited connection |
Call destination limit | Nuisance call checker dedicated plan | Car navigation system - unlimited use plan |
Car Navigation Light Plan | Internavi 3G Plan | Willcom Plan Lite |
Willcom Plan D | Willcom Plan D+ | WILLCOM Plan W (corporate pay-per-use/flat rate) |
Net 25 | Smartphone Plan S/M/L (Type 3) | Smartphone Basic Plan S/M/L (Type 3) |
Lunch Course | Notification window sensor exclusive plan | 3G Data Flat Rate (S) |
3G Data Flat Rate Business (S) | Super Pack S | Super Pack L |
Super Pack LL | Pass-only plan | Data Pack |
Disaster Preparedness Phone Bundle Plan | Data mini | Easy Course |
W-VPN Service | Heartful Course | Special mail |
H"IN only course | Corporate set plan (pay-per-use/flat rate) | Comicomi Mail |
List of things you can do with My Y!mobile
Password setting, confirmation, and change
Confirmation of installment contract details
Billing confirmation notification settings
Fixed amount notification service
Y!mobile consolidated payment (settings, checking usage history, etc.)
Inquiry about contract details
Inquiry and change of fee plans and optional services
Change of contract address or billing address
New contracts, model changes, cancellations, MNP, and number transfers
Confirmation and change of contract details
Check and change your rate plan
Check the payment status of the device fee
How to read your online invoice
Check your bill/call details in writing