KDDI eSIM plans from £8.50
KDDI (au) is one of Japan's three major national mobile networks, delivering fast 4G LTE and 5G across Tokyo, Osaka, Kyoto, Hokkaido and Shinkansen routes.
Coverage: All 47 prefectures of Japan
Speeds: 4G LTE & 5G · Hotspot allowedAuthorised distributor
All KDDI eSIM plans
Tier-1 Japanese carrier (au) · 99% population coverage. Filter by validity and data, then check the full plan details below.
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KDDI eSIM specifications & policies
Genuine KDDI profile
Authorised distributor eSIM profile with direct Japan operator routing and priority.
4G LTE & 5G technology
Full-speed 4G LTE and 5G access across All 47 prefectures of Japan with personal hotspot / tethering enabled.
Instant QR & activation
Delivered by email in seconds. Validity starts when your eSIM first connects in the coverage zone.
eKYC & ID policy
No passport registration or eKYC required on standard KDDI travel data bundles.
Countries covered by KDDI eSIM plans
Select a destination below to compare all local and multi-country eSIM plans for that country.
KDDI eSIM FAQs
Still unsure? Our 24/7 Live Chat and ticket team will help.
Is this an official KDDI travel eSIM?
Yes. Mapians is an authorised distributor of KDDI travel eSIM plans, delivering a genuine operator eSIM profile with direct 4G LTE and 5G network priority.
Which countries are covered by KDDI eSIM plans?
KDDI plans cover All 47 prefectures of Japan (home network: Japan). Check each individual plan card above for the exact list of included roaming destinations.
When does my KDDI eSIM validity start?
Validity begins when your KDDI eSIM first connects to a supported network in the coverage area, so you can purchase and install the QR code over Wi-Fi before departure.
Does KDDI eSIM support personal hotspot and tethering?
Yes. Personal hotspot and Wi-Fi tethering are enabled on KDDI eSIM plans, and tethered usage simply draws from your plan's data allowance.
Is ID verification (eKYC) required for KDDI eSIMs?
No passport registration or eKYC is required on standard KDDI travel data plans.
How much do KDDI eSIM plans cost on Mapians?
Prepaid KDDI eSIM bundles start from £8.50 with all taxes included, instant email QR delivery, 24/7 support and our 30-day money-back guarantee.
Get your KDDI eSIM in seconds
Instant QR code delivery, 24/7 support and our 30-day money-back guarantee.
Buy, install and top up from your phone
Check data left, get low-balance alerts, top up in two taps and reach support from inside the app.