End of the month offer: Signup and get -10%/month on your mobile plan!

offer expires on Feb 29th

CityZEN Mobile plans
Enjoy Japan at full speed.

With Smash Mobile,

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Fast and Reliable 4G/LTE

All over Japan with NTT Docomo, Japan's most famous network.

Unlimited Throttled Data

We guarantee our users a limitless experience. Top-up is available.

Free Delivery

Delivered in just a few days in Japan.
International available as well.

Dedicated Support

Support provided in English and French able to help with technical issues.

No Contract
Just powerful data on your SIM

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Free Cancellation
You're free to go but we'd miss you

Automatic Payments
International cards accepted!

CityZEN Data & Voice


Unique plans with Free Minutes Included, and high-speed data ranging from 5 to 30GB!

attention! We will ask for your Passport or Residence Card at Sign Up. For Military Personnel, a copy of your Military ID.

The POPCORN Plans

Brand new bundle deal that includes 6 Months of Netflix for only ¥500 more per month than a normal subscription!

Simple Registration

Select Your Plan

Choose within our wide selection of mobile plans the one that suits your needs. Don't hesitate to contact us on Facebook or via email if you need any help!

Submit your delivery info and ID during Checkout

A valid ID will be required to process your registration.
We will deliver at the address that is the most convenient for you: your address, US Base or dormitory. 

Receive your SIM

Receive the sim just a few days after your purchase, ready to be installed. 
More information about your plan will be provided.

Quick Setup

After the pick up, just replace your current sim with the Smash Mobile's sim and follow the instruction given to you in our package.

Frequently
Asked
Questions

Is it working if my phone is sim locked ?

Your phone must be sim unlocked in order to support our sim. If your phone is sim locked, you can use our Pocket Wifi AGILITY here.
Understand that we, Smash Mobile, do not have the ability to unlock your phone. So please check carefully.

Do you ship abroad ?

Yes, we ship to France, Australia, Canada, UK, USA et US Military bases.

What sim sizes are available ?

Our Japan sim cards are multi-sizes. Standard, Micro and Nano all in ONE.

Can I pay with foreign credit cards ?

Of course ! We are proud users of Stripe, so your card is accepted and your information always safe.

Should I return the product ?

No, prepaid sim cards do not have to be returned

What is an APN ?

APN (Access Point Name) is a special profile set up for telecommunication providers. APN are most of the time pre-set to your phone by your wireless service provider. You need to change these values to ours in order to get smashed by data !

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