Cheap Calling SIM in Japan: Docomo, Softbank

When you're in Japan, the most important thing is to have a mobile phone and a SIM card to communicate with friends and family. So, where can you buy a cheap and reliable calling SIM in Japan? Read this article to choose the SIM that suits you best.

What is a Calling SIM?

A calling SIM, short for Subscriber Identity Module, is a small device containing essential digital information such as phone numbers, PIN codes, PUK codes, and other authentication information. It is used to connect users to mobile networks and allows them to make phone calls, send messages, and use data services.

Commonly Used Calling SIMs

Cheap Calling SIMs in Japan

To facilitate foreigners in owning phone SIMs and internet packages at reasonable prices, cheap SIM types in Japan have been introduced with multi-language support and easy registration procedures.

DOCOMO Calling SIM

Just as Viettel and Vinaphone are famous in Vietnam, DOCOMO is also a renowned network provider in Japan.

DOCOMO Calling SIM

Advantages of DOCOMO Calling SIM:

Highest coverage among all networks.
Fastest DOCOMO network speed among popular networks in Japan.
Advanced 4G and 5G services.
Provides various services: electronic payment ID, point card systems in supermarkets, and stores.
Offers a variety of product packages (Ahamo, Gigaho 5G, Gigaraito, etc.) for users to choose from.
Strong security measures.
Flexible payment methods.
Allows both calls and messaging.
Can share internet with multiple devices.

Disadvantages of DOCOMO Calling SIM:

Complex procedures.
Service fees slightly higher than other networks.
Does not support international phone models.
Suitable for customers:
Those who need fast network speeds and wide coverage.
Those who need comprehensive mobile services.
Those who need internet sharing capabilities.

Softbank Calling SIM

Softbank is also one of the three largest network providers in Japan. The SoftBank Corporation is a multinational telecommunications and internet corporation founded in 1981 in Japan.

Softbank Calling SIM

Advantages of Softbank Calling SIM:

Offers SIMs with 1GB, 5GB, 10GB, and 20GB data. The 4G network has fast download speeds, especially in large cities and areas with strong coverage.
Stable and strong signal, compatible with many devices.
Free calling for the first 5 minutes.
Unlimited calling upgrades.
Can make calls and use 4G data.
Stable network speeds for watching movies, browsing Facebook, etc.
Return to regular speeds after high-speed data limit.
Simple registration process.
Frequent promotions and special offers to help users save costs.
"You can track discount codes on the Softbank website or on the Hallo.co website."

Disadvantages of Softbank Calling SIM:

Monthly data limit is not very high, maximum is 20GB.
Does not meet the needs of customers requiring large data amounts.
Only compatible with international phone models.
Cannot share network data with other devices.
Suitable for customers:
Use mainly for calling, sending and receiving messages without requiring much data usage.
Use less data, only for checking trains, reading news, etc.

How to Buy and Register Calling SIMs in Japan

Conditions for Buying Calling SIMs

Buying calling SIMs in Japan is very strict, so there are conditions you need to keep in mind to buy a SIM that fits your usage purposes. Here are some conditions you need to meet to buy a calling SIM in Japan:
Length of stay: at least 1 year or more.
Registration age: 20 years or older.
Visa validity: 2 years or more (for those under 2 years, they are not allowed to buy calling SIMs but only SIMs for internet usage or with a guarantor).
How to Register for DOCOMO Calling SIM
Using the largest network in Japan, DOCOMO Japan SIMs come with data packages ranging from 1GB to 25GB, which you can buy monthly or in combo packages for 6 months/1 year.
You can easily buy Docomo SIMs at Hallo.co or famous SIM purchase addresses (at Kansai, Narita airports, and telecommunications service counters).

How to Register for Softbank Calling SIM

Softbank has launched the LINEMO package with a monthly fee of only 2480 yen and data capacity of up to 20GB per month. In addition, you can buy at lower prices depending on the monthly promotion program.

You can easily buy Softbank calling SIMs at hallo.co.
Purchasing Process on Hallo Website:
Product selection: Based on your needs, choose a suitable package.
Consultation: Accurately provide the product the customer needs and provide dedicated support 24/7.
Purchase: Simple online registration, no complicated procedures required.
Payment: Convenient and quick through various forms such as bank transfer, cash, etc.
Shipping: Orders are processed on the same day, with free delivery nationwide in just 1 - 3 days.
After purchase: Quick support before, during, and after registering for services, along with a lifetime warranty.

Cheap Calling SIM in Japan: Docomo, Softbank

When you're in Japan, the most important thing is to have a mobile phone and a SIM card to communicate with friends and family. So, where can you buy a cheap and reliable calling SIM in Japan? Read this article to choose the SIM that suits you best.