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KDDI (au) Japan eSIM | 5G High-Speed Internet | World-Class Network Experience

4.5
· 1k+ people have ordered
(350 Reviews)

Choose a KDDI Japan eSIM and enjoy unlimited 5G/4G high-speed internet. Powered by KDDI (au), the world's top-rated carrier according to Opensignal, this eSIM offers nationwide coverage, including Tokyo, Osaka, Kyoto, Hokkaido, and Okinawa. It supports hotspot sharing and popular global social apps like WhatsApp, LINE, KakaoTalk, Facebook, Telegram, WeChat, Instagram, and TikTok. Enjoy seamless text, voice, and video calls, allowing you to stay connected with family and friends anytime.

Lowest PriceHK$44
Book Best Deal

Plan

KDDI 5G High-Speed ​​Japan eSIM | 4-Day 12GB Total Plan (Valid until 2027-01-20)

Booking starts: 2026-11-01

fromHK$44

KDDI 5G High-Speed ​​Japan eSIM | 7-Day 21GB Total Plan (Valid until 2027-01-20)

Booking starts: 2026-11-01

fromHK$70

Comments

4.5
(350 Reviews)
KKday User
2026-10-20 00:04:46
This is quite good sim with respect to pricing and coverage. Thanks kkday.
KKday User
2026-09-20 00:10:37
Friend suggested, I recommend it too
KKday User
2026-08-12 05:05:36
So kind and satisfying trip!! Highly recommend it.
KKday User
2026-08-07 01:52:38
Saved my trip with reliable network connections. We were able to navigate the hot spots on our list.
KKday User
2026-06-14 07:36:43
coverage and downloading speed is good
KKday User
2026-04-21 04:32:06
The one click activation is so easy! Just make sure you are connected to WiFi first. Then turn on the app to do the one click. It activates within 30 seconds for me. So easy!
KKday User
2026-02-16 21:43:13
Speed is good, just maybe installation time a bit problem to me, saying activation fail but when reached japan no problem, so better check availability and make sure got data orwifi at your own country to finish install first
KKday User
2026-02-16 15:20:27
Can’t believe I got this for free as a gift from KKday. I purchased a day tour to Shirakawa-go and was gifted with a mysterious gift, which turned out to be a 7-day eSIM that offers 21GB of data in total. Since the purchase was last minute, luckily I got to use it before it expires (they only allow usage within 10 days I think). The signal is constantly strong and since its network is a Japanese one, there’s no problem such as blocked access to certain apps. If your tour isn’t sold out too fast, just purchase it at the last minute like I did and you might have the chance to make full use of this eSIM!
KKday User
2026-10-31 17:44:25
Great speed! There should be more ads to let everyone know. I'll definitely recommend it to my friends when I have the chance.
KKday User
2026-10-31 05:59:14
The internet speed is fast, the signal is consistent, and it's very affordable. Highly recommended.

HyperAir is an intelligent travel platform to your liking, offering the most suitable and value-for-money travel solution, so that you can travel smarter, anywhere.

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Wing On Travel：350074

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