Tailored for Japan Travelers
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99%
Coverage in Japan
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100k
Happy customers
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Unlimited
Data up to 150Mbps
Our plans
DAYS
4G LTE
data
DAYS
4G LTE
data
DAYS
4G LTE
data
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![Speed]()
High-speed internet
Stay connected with fast internet speeds, ensuring smooth browsing, streaming, and communication during your travels in Japan.
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![Support]()
Reliable support
Enjoy smooth usage with reliable multilingual customer support available to assist you in navigating any issues or questions.
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![Usage]()
Easy to use
Travel smarter with a user-friendly prepaid SIM card that offers straightforward activation, easy settings, and seamless connectivity across Japan.
SIM card specification
Carrier
NTT Docomo/ AU
Speed
4G LTE/5G
Coverage
All over Japan
Size
Multi cut size
AU network: nano-sim only
After 3GB of use, you will still have connectivity but internet speed may slow down. 3GB of highspeed internet will be topped up again at midnight everyday.
Premium Plan: No speed reduction.
Depend on the chosen plan
Unlimited data
Only through apps (VOIP)
Premium SIM cards (5G): Please be advised that there is a usage limit for the personal hotspot.
・Up to 9GB for the 10-day SIM card
・Up to 15GB for the 15-day SIM card
・Up to 30GB for the 30-day SIM card
Standard SIM cards (4G): Not Supported
Pop out the SIM card from the plate.
Remove your current SIM card and Insert the new SIM card into the slot.
Note: Please turn off your the device before switching sim cards.
Set up APN
ppsim
Docomo: ppsim.jp
AU: au5g.au-net.ne.jp
Docomo: ppsim
AU: user@au5g.au-net.ne.jp
Docomo: jpn
AU: au
PAP or CHAP
Why use Prepaid SIM?
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Convenient for travelers
Easy for accessing the internet during your trip or short-term stay in Japan. Simply choose a SIM card that suits your needs, and you're ready to go.
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No extra device
Since the SIM card is integrated into your phone and compatible with most devices, you won't forget it.
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Option for every budget
You won't pay more than your initial purchase. Activation is a fast and breezy.
How it works
Order
Place your order online in a few minutes.
Pickup
Collect your Japan SIM card in your desired locations anywhere in Japan.
Insert
Detach the SIM from the card and insert it in your phone. Make sure that your device is unlocked
Enjoy
Your card is inserted and you're ready to use internet. After usage, no need to return your SIM card.
Why choose us
No contract
Pay as you go. No commitment. Enjoy the flexibility to change plans whenever you want.
Fast network
Partnering with Docomo, one of Japan's premier networks, providing 99% coverage. Ensuring you have the best connection throughout your trip!
Multi size SIM
Forget about worrying over the card size. Our SIM card can be resized to fit most phone models.
Shipping all over Japan
Wherever you are in Japan, we will deliver you
Customer review
Binford Nash
Eunice Chang
Ted Santos
Kyselov Eugen
Rie Choo
Fukami Nishiyama
Bradley Mase
Michael Liboiron
Melice Reed
Sarah C. Blackstone
Suzanne Coshow
Akiko Dobashi
Anthony Faulkner
Ognjenka Manojlovic
San Pablo Innah Patricia
Lawrence Smith
Joseph Baker
Kathryn Rizzo
Federico Ponce
RIBIERE
FAQ
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What services are provided with our Japan Prepaid SIM Card?
Our Japan SIM Card offers unlimited data for internet access throughout Japan. It does not support traditional voice calls or SMS.
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Can I use Skype, LINE, Kakao talk, Viber or other VoIPs with a prepaid sim card in Japan?
Yes, you can. We recommend ordering the 5G Premium Plan SIM card which has unlimited data with no throttle limit allowing you to talk on the phone for a prolonged period of time.
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Do you offer eSIM services?
Yes, we provide eSIM options in both 5G and 4G, allowing you to connect to the internet in Japan without needing a physical SIM card.
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What network does the Prepaid SIM Card use?
Our SIM cards operate on the NTT Docomo and KDDI networks, ensuring extensive coverage and reliable connectivity throughout Japan.
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Is the Prepaid SIM Card compatible with my cell phone?
Most cell phones do. Our SIM card is compatible with unlocked (SIM-free) devices.
It is a multi-cut SIM, suitable for standard, micro, and nano SIM slots.(*)
・Premium Japan SIM cards (5G): As long as your cell phone supports the following bands. 4G: Band 1, 3, 18 (or 26) 5G: n77,78 *Support for 3 frequency bands of the 4G network is required.
・Standard Japan SIM cards (4G/LTE): SIM Compatibility List
Ensure your device is unlocked and supports the network frequencies used in Japan. Please contact us for the compatibility before purchasing. We do not accept refunds if the SIM card doesn't work with your device. -
Can I use the SIM card for tethering or as a mobile hotspot?
5G Unlimited SIM Card (Premium Plan): Supported
*Please be advised that there is a limit for the usage of the personal hotspot for the Premium SIM cards.
Kindly check below for the details.
・Up to 9GB for the 10-day SIM card
・Up to 15GB for the 15-day SIM card
・Up to 30GB for the 30-day SIM card
4G/LTE Unlimited SIM Card (Standard Plan): Does not support tethering or hotspot functionality. -
How do I activate the Prepaid SIM Card?
Our Unlimited SIM card comes pre-activated. Simply insert it into your device upon arrival in Japan and configure the APN settings:
4G/LTE Unlimited Prepaid SIM
APN Name: ppsim
APN: ppsim.jp
Username: ppsim
Password: jpn
Authentication Type: PAP or CHAP
Detailed setup instructions are included with your Unlimited SIM card package. -
How can I check my data usage and remaining balance on my prepaid Unlimited SIM card?
After using 3GB of high-speed data per day, speeds may be reduced until midnight. To track your usage, we recommend using built-in data tracking features on your smartphone or third-party apps.
Phone: Settings → Cellular → Bottom Scroll → Roaming Data Usage
Android: Settings → Mobile Network → Mobile Data Data Usage
Galaxy: Settings → Connection → Data usage → Bottom scroll → Daily usage -
Will I experience any speed reductions?
4G/LTE Unlimited SIM Card: After using 3GB (FUP) of high-speed data per day, speed may be reduced until midnight.
5G Unlimited SIM Card: No speed reductions, No Data Caps. -
What should I do if I encounter issues with the SIM card?
If you experience any problems, please contact our multilingual customer support team via email at customer@japan-wireless.com. We are committed to assisting you promptly.
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My SIM card isn’t working. What should I check first?
Ensure your device is unlocked and supports Japan’s network frequencies.
Verify APN settings are correctly configured.
Restart your device after inserting the SIM.
Check if airplane mode is turned off.
Try reinserting the SIM card.
If you still cannot use the SIM card, please contact our multilingual customer support team via email at customer@japan-wireless.com. We are committed to assisting you promptly. -
What is your refund policy?
We do not offer refunds for issues arising from device incompatibility or incorrect device settings configuration. Please verify your device is unlocked and compatible before purchasing.
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Can I extend or renew my SIM plan?
Our Japan Unlimited Prepaid SIMs are valid for a fixed period and cannot be extended. If you need more days, you can purchase an additional SIM card.
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Can I return my Unlimited Data SIM card after use?
No, Japan Unlimited Prepaid SIM cards are for one-time use and do not need to be returned.
Prepaid SIM
in Japan
Explore the convenience and flexibility of
Prepaid SIM Cards in Japan for hassle-free travel!
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