If you're exploring the telecommunications services of AU, check out the policies regarding SIM, network, and phones below!
AU Japan
AU is one of the major telecommunications companies in Japan, being a part of the KDDI group.
KDDI stands as one of the leading enterprises in telecommunications and related services in Japan.
AU offers mobile services, including voice packages, data packages, and mobile phones from renowned manufacturers. AU's SIM packages usually include voice, messaging, and mobile data. Additionally, AU provides fixed-line internet services, cable television, and various other services.
AU boasts a widespread network coverage across Japan, ensuring users have stable connections both in urban and rural areas.

AU Japan Icon
AU Network
The mobile network operator "AU" in Japan has a fixed call and messaging fee of 980 yen, with a call rate of 21 yen / 30 seconds. Particularly, users may enjoy free calls from 1 am to 9 pm and free messaging 24/24. Regarding internet fees, the fixed internet service fee (optional) is 315 yen, and the usage-based fee is 0.21 yen / packet.
In terms of coverage density, AU ranks among the top 3 networks with the widest coverage in Japan, with the second highest transmission quality nationwide.

AU Network Services
AU Phone
AU (KDDI) in Japan distributes mobile phones through retail stores, online platforms, and distribution partners. For iPhone models, AU offers free call and messaging fees for the first 3 years to new subscribers, along with a reduction of 1,480 yen in service fees per month. To enjoy unlimited LTE internet usage, customers only need to pay 5,460 yen.

AU Phone Stores
AU SIM
AU's mobile phone SIM cards are provided by the AU network (KDDI) to connect your mobile phone to their network.
AU typically offers Standard SIM, Micro SIM, and Nano SIM depending on the type of phone you use. For modern smartphones, Nano SIM is common.
AU SIM not only helps establish network connections for calls and messaging but also supports mobile data usage for internet access. AU SIM cards can also be used when traveling internationally. The network usually offers packages and roaming services for users when abroad. You can purchase AU SIM cards at major airports, convenience stores, or the Hallo.ne.jp website.

AU Phone SIM
AU Japan Network Phone Number
Japanese phone numbers consist of an area code and a phone number (Area code + Subscriber number). Japanese phone numbers have 10 or 11 digits and do not start with 0. Japanese people commonly use postpaid SIM cards, and prepaid SIM cards are not as popular as in Vietnam.
When making calls to other numbers, you need to dial the following format if using an AU network phone number:
001 010 + Country code + City code + Phone number.
You can easily purchase AU SIM cards and phone numbers on reliable telecommunication network websites such as hallo.co
The purchasing process on the Hallo website:
Product selection: Based on your needs to register for services, 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.
Hopefully, this article has helped you grasp detailed information about the AU network. If you're still searching for a reliable SIM and network provider, you can refer to the website http://hallo.co/!
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