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SonixNet SIM

Looking for low-price and reliable mobile services?

Using NTT DOCOMO’s vast and comprehensive mobile network, SonixNet SIM delivers unmetered and 5GB data plans through

Freebit/Bekkoame’s internet connection at the most friendly prices on the market.

SMS and Voice plans are also available at a discounted price.

SonixNet SIM is most compatible with various unlocked SIM-free smartphones or pocket Wi-Fi devices (see here for a full list of tested devices)

Unmetered Data Plans

With unmetered data plans, the monthly data usage (DL/UL) is not accounted for. If your accumulated total data consumption within 3 days

exceeds 3GB, your bandwidth will be throttled down to a maximum speed of 200kbps until the 3-day total falls under 3GB.

*With the 5GB plan, after exceeding the limit, the connection speed will be throttled to under 200kbps for the rest of the


5GB Unmetered
Data Only 1,500 JPY 3,200 JPY
Data+SMS 1,700 JPY 3,400 JPY
Data+SMS/Voice 2,800 JPY 3,900 JPY

* Above shows recurring monthly basic fee. An account activation fee of 3,000 JPY (one-time) applies separately upon application.

* Pay-per-use calling/SMS charges apply separately. See below for details.
Any calls/SMS texts made during a billing cycle (billing cycle = 1st to the end of the month) are charged 5-6 weeks after.

* Basic fee of first month (day of sign-up to end of month) is free. Billing commences on the 1st of the following month.

* Minimum contract period is three full billing months (first month does not count as a billing month). Cancellations can be accepted after the

3rd month of contract. Cancellation must be requested online and the service will be terminated at the end of the billing cycle.

* Switching between data plans (5GB or unmetered) can be done for no additional charge and the change takes effect on the 1st of the following

Switching between voice plans (Data-only or Data+SMS or Data+SMS/Voice) require the SIM card to be replaced, therefore is considered as a

cancellation of the existing subscription and application under the new plan. Cancellation policies apply.

* Discount of 300 JPY applies to the monthly basic fee of the second (or more) Voice SIM application(s).

* If the SIM card is damaged / lost or requires replacement for any other reason, a reissue fee of 3,000 JPY will incur.

Sample Rates
Domestic Call 20 JPY / 30 sec
Domestic SMS 3~ JPY / message
International Call See below
International SMS 100~ JPY / message

* Incoming calls/SMS are free.

* SMS are restricted to approximately 150 single-byte characters per message.

* International Call = calling and overseas number from a location within NTT DOCOMO’s service area in Japan, using the prefix “00327777”.

See table below.

* International SMS = sending an SMS to an international number from a location within NTT DOCOMO’s service area in Japan.

* Service is intended for use in Japan only. International roaming is not provided.

Sample International Calling Rates
Region Rate (per 30sec)
USA (50 states), Canada, India, Singapore 7 JPY
Bangladesh, China, Malaysia, South Korea, Thailand, Vietnam, etc. 10 JPY
Australia, Brazil, Germany, Italy, Spain, UK, etc. 15 JPY
Other regions Varies
Call Waiting +300 JPY / month
Voice Mail +300 JPY / month
SonixNet SIM Application Form

APN Setup Guide (iOS)

APN Setup Guide (Android)

Voicemail Service Instruction

International Calling Rates

Read full Terms of Service here