CityZEN Mobile Plans
Enjoy Japan at Full Speed.
With Smash Mobile,
Fast and Reliable 4G/LTE
All over Japan with NTT Docomo, Japan's most famous network.
Support provided in English and French able to help with technical issues.
Delivered in just a few days in Japan.
International available as well.
Easy and Clear Payments.
International Cards accepted!
Get Started by choosing between
Data Only or Data & Voice
Hotspot and tethering are enabled on all our Japan mobile plans. Don't hesitate to share!
Works with most SIM-unlocked devices!
Save money by not having to purchase a brand new phone in Japan. List of compatible devices.
Give us the date of your departure and pay only for the days that you've used your long-term SIM!
The POPCORN Plans
The unique Japan Mobile Plan that includes 6 Months of Netflix for only ¥500 more per month than a normal CityZEN Mobile Plan!
Does your Long Term SIM work if my phone is SIM locked ?
Your phone must be sim unlocked in order to support our Mobile Plan SIM. If your phone is sim-locked, you can use our Pocket Wifi AGILITY.
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 our long term SIM to France, Australia, Canada, UK, USA et US Military bases.
What SIM sizes are available ?
All our Japan Mobile Plans SIM are multi-size. Standard, Micro and Nano all in ONE.
Can I pay with foreign credit cards ?
Yes, we are proud users of Stripe, so your card is accepted and your information always safe.
Should I return the product when I leave ?
No, Long Term SIM for Japan 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 !