日本語
English
中國（繁体）Just what you need when you need it!
Domestic prepaid data communication only
eSIM
- Complete the procedure online !
- Large capacity at the lowest price in the industry!
- Can be used anywhere in Japan !
*Compatible with NTT Docomo communication area
What is eSIM for data communication ?
eSIM is a digital SIM technology used instead of a SIM card. Built inside the device, no physical replacement is required. A prepaid SIM that can only be used for data communication is a data communication-only eSIM.
*Available only for eSIM compatible models
Voice call eSIM
- 〇Data communication
- 〇Call
- 〇 SMS
Simple functions,
So cheap!
eSIM for data communication only
- 〇Data communication
- × Call
- × SMS
Complete the procedure online
There is no need for procedures such as identity verification. Payment can also be made by credit card or convenience store.
Can be used immediately after purchase
An activation code will be issued immediately after payment is completed. You can use it immediately by setting it on your device.
Purchases from overseas are also OK.
By purchasing it before entering Japan, you can start using it immediately after arriving by simply configuring it on your device.
Can be used anywhere in Japan
The network covers all of Japan, so you can use it anywhere.
*Compatible with NTT Docomo communication area
Even on devices other than smartphones
It can also be used on tablets and smart watches.
*Available only for eSIM compatible models
Can also be used as dual SIM
It can also be used as a sub-line for different communication purposes. You can also use tethering.
*Available only for dual SIM compatible models
Recommended for scenes like this!
For traveling to Japan or returning home temporarily
It covers the entire network of Japan, so it can be used anywhere in Japan.
For temporary capacity addition, such as sudden hospitalization or returning home
Even in places without a WiFi environment, you can still use the Internet as usual.
Those who want to use it as a dual SIM
It can also be used as a secondary line for separate data communications. It is also recommended for temporarily adding capacity when speeds are limited.
Differences between SIM and Wi-Fi
eSIM for data communication only
SIM
Wi-Fi rental
- price
-
Cheap for communication capacity
-
Basic charges and shipping charges apply
-
Expensive for communication capacity
- Procedure
-
Complete online! Ready to use
-
Purchase online or in store
It takes time for the product to arrive -
Pre-registration required. Pick up the product on-site or by mail.
- Initial setting
-
Internet environment required
-
Initial setup required
-
Can be used as is
- communication speed
-
docomo line (MVNO)
-
docomo line etc.
-
Each carrier line
- Damage/loss risk
-
There is no physical object, so there is no risk.
-
Replacement of SIM is required. There is a risk of damage or loss.
-
There is a risk of damage or loss.
- Overseas compatible
*Used by people outside Japan -
Available on local service
-
Cannot be used by anyone other than Japanese carriers
-
Available for local rental
Flow of usage
Purchase the desired product plan
You will receive the activation code issuing URL via email.
Complete the activation procedure on the device you want to use and start using it.
The use of eSIM is subject to the following conditions:
Please be sure to check in advance.
eSIM compatible models
Please check in advance whether the device you are using supports eSIM.
SIM unlock
Devices contracted with a carrier must be SIM unlocked.
Internet environment
The activation procedure is performed by connecting to a network via Wi-Fi, etc.
*Our products are for use only in Japan. In addition, they are for data communication only, so calls and SMS cannot be used.
Product plan
Payment will be settled in Yen. Payment will be charged at the exchange rate on the day of application.50GB/31 days
- Usage period
- 31 days
- Fee
- ＄30.16
50GB/16 days
- Usage period
- 16 days
- Fee
- ＄21.82
30GB/8 days
- Usage period
- 8 days
- Fee
- ＄18.61
Estimated communication capacity
app
Communication amount/1h
10GB
20GB
30GB
-
YouTube (360p)
- 0.3GB
- 31 hours
- 64 hours
- 93 hours
-
YouTube (720p)
- 1.0GB
- 10 hours
- 20 hours
- 30 hours
-
ZOOM
- 0.6GB
- 16.3 hours
- 32 hours
- 48.9 hours
-
LINE (voice call)
- 0.018GB
- 555 hours
- 800 hours
- 1665 hours
-
LINE (video call)
- 0.3GB
- 32.6 hours
- 65.2 hours
- 97.8 hours
-
TikTok
- 0.54GB
- 18.5 hours
- 37 hours
- 55.5 hours
-
Netflix (Standard/480p)
- 0.7GB
- 14.3 hours
- 15 hours
- 42.9 hours
-
Netflix (high quality/1080p)
- 3.0GB
- 3.3 hours
- 6.6 hours
- 9.9 hours
-
Prime Video (Standard)
- 0.27GB
- 37 hours
- 74 hours
- 111 hours
-
Prime Video (high quality)
- 0.77GB
- 13 hours
- 26 hours
- 39 hours
Corporate Customers
Rakusim sells eSIMs wholesale to corporate customers.
[Example of consultation]
・I want to add an eSIM option to travel plans for foreign visitors to Japan. ・I want to prepare an eSIM for a foreign client. ・I want to make a corporate contract for an eSIM in order to return to Japan temporarily.
We can also provide product plans other than those listed on the site. We are also happy to answer any questions you may have about implementation.
Please feel free to contact us.
Please check here for details.
FAQ
Can I change or cancel my order?
Delivery will be made by sending an email. We cannot accept cancellations for any reason after delivery. Changes or cancellations can be made before the email arrives.
Are there any initial costs or penalties?
There are no costs other than the plan fee.
Can I make voice calls?
It is for data communication only and cannot be used for voice calls.
Please tell me how to proceed with the opening procedure.
After completing your order, we will send you a separate email with the "URL for issuing the activation code." Please refer to the activation procedure described in that email and complete the activation procedure.
【Setup steps】
Android version (Japanese)
Android version (English)
iPhone version (Japanese)
iPhone version (English)
Media Coverage
It was featured on the smartphone information variety show "Eejanaika!!" (TOKYO MX Broadcasting)!