Hello1010 Travel eSIM & SIM
Search
  • eSIM Japan Infinite Data on the KDDI au network, advertising no data cap and no speed cap.
  • Notice explaining that when you buy multiple eSIMs, each QR code is emailed separately so you can forward one to each travel companion.
  • eSIM Japan Infinite Data artwork with the YeeSim mascot, advertising up to 1132 Mbps in Japan with no app needed.
  • Japan local eSIM badge with the KDDI logo and the Tomorrow, Together tagline.
  • Load image into Gallery viewer, eSIM Japan Infinite Data on the KDDI au network, advertising no data cap and no speed cap.
  • Load image into Gallery viewer, Notice explaining that when you buy multiple eSIMs, each QR code is emailed separately so you can forward one to each travel companion.
  • Load image into Gallery viewer, eSIM Japan Infinite Data artwork with the YeeSim mascot, advertising up to 1132 Mbps in Japan with no app needed.
  • Load image into Gallery viewer, Japan local eSIM badge with the KDDI logo and the Tomorrow, Together tagline.
  • Load and play video in Gallery viewer, eSIM Japan Infinite Data

eSIM Japan Infinite Data

Choose 3, 5, 7, 8, 9, 10, 12, 15, 18, 21, 26 or 31 Days | Infinite (Unlimited) High-Speed 5G data | Hotspot capped

RM26.90
RM49.00
RM26.90 Save RM22.10 (45%)
Shipping calculated at checkout.
Select Days Usage
Go to cart
Go to cart

From Japan, for Japan

eSIM Japan Infinite is our flagship unlimited-data plan for Japan, powered by the KDDI au 4G/5G network. Choose from 3 to 31 days and enjoy unlimited high-speed data throughout your trip without monitoring a data balance.

Ideal for Google Maps, social media, messaging and video streaming while travelling across Japan. Hotspot sharing is included with a separate allowance based on your selected plan.

Hello1010 has tested this connection at speeds of up to 1,132 Mbps on 5G. Actual speeds vary depending on location, device, network conditions and coverage.

Why KDDI au? In Opensignal's April 2026 Japan Mobile Network Experience report, au won both Reliability Experience and Consistent Quality, making it one of Japan's strongest-performing mobile networks for everyday connectivity. Combined with Hello1010's own 5G testing of up to 1,132 Mbps, eSIM Japan Infinite is built for travellers who want fast, dependable connectivity without worrying about their data balance.

KDDI au coverage: Check KDDI au network coverage

KDDI au Opensignal network awards for Japan mobile reliability and experience


Peace of Mind

Install the eSIM in your phone first and arrive in Japan connected instantly. You will get connected right after you land and experience the fastest Mbps from start to end of your journey. Remember to install it within 30 days from date of purchase.


  • Infinite (Unlimited) Data

    There is no limit to your high-speed 5G data usage. Experience speed up to 1132Mbps.

  • Choose 3, 5, 7, 8, 9, 10, 12, 15, 18, 21, 26 or 31 days

    Validity is based on daily calculation from 12am-12am Japan local time.

  • Hotspot Quota

    • 3 days (2GB hotspot)
    • 5 days (4GB hotspot)
    • 7 days (6GB hotspot)
    • 8 days (7GB hotspot)
    • 9 days (8GB hotspot)
    • 10 days (9GB hotspot)
    • 12 days (11GB hotspot)
    • 15 days (14GB hotspot)
    • 18 days (17GB hotspot)
    • 21 days (20GB hotspot)
    • 26 days (24GB hotspot)
    • 31 days (30GB hotspot)
Product Alert Image
  • Use QR code in Japan within 30 days from purchase
  • No phone number, Cannot call, SMS, top up
  • TikTok and all social apps usable
  • eSIM cannot be reinstalled once it has been removed from the device

Country List

Japan, KDDI network

Compatible Phone List

Dial *#06# to check. If an EID number appears, your phone supports eSIM.

If only IMEI/MEID/SN is shown, it is not eSIM compatible.

Ensure the device is carrier-unlocked and has the latest software update.

Product FAQ

How will I receive the eSIM?

Your eSIM QR code will be sent by email after purchase. Install it within 30 days from the purchase date.

Can I install the eSIM before travelling to Japan?

Yes. Install it before departure. Once you arrive in Japan and enable the eSIM, it will connect to the KDDI au network.

Do I need internet to install the eSIM?

Yes. You need WiFi or mobile internet to download and install the eSIM.

Can I transfer the eSIM to another phone?

No. Once installed, the eSIM cannot be transferred to another device.

Can I delete and reinstall the eSIM?

No. Do not delete the eSIM after installation. It cannot be reinstalled using the same QR code.

If I arrive in Japan at 10pm, will it count as Day 1?

Yes. Validity follows Japan calendar days. If activated at 10pm, the period until midnight counts as Day 1.

Can I use this together with my Malaysian eSIM?

Yes, if your phone supports Dual SIM. You can keep your Malaysian line active and use eSIM Japan Infinite Data for mobile data.

Switch off data roaming on your Malaysian line to avoid roaming charges.

Which network does this eSIM use?

It connects directly to the KDDI au 4G/5G network in Japan.

Can I use TikTok, Instagram and YouTube?

Yes. Major social media and video apps work normally.

Can I use WhatsApp?

Yes. You can continue using your existing WhatsApp number for messages, voice calls and video calls.

Is eSIM Japan Infinite Data really unlimited?

Yes. Mobile data is unlimited throughout your selected validity period, with no daily data quota.

Is hotspot unlimited too?

No. Hotspot has a separate allowance:

3 Days: 2GB
5 Days: 4GB
7 Days: 6GB
8 Days: 7GB
9 Days: 8GB
10 Days: 9GB
12 Days: 11GB
15 Days: 14GB
18 Days: 17GB
21 Days: 20GB
26 Days: 24GB
31 Days: 30GB

How do I check if my phone supports eSIM?

Dial *#06#. If you see an EID number, your phone supports eSIM. Your phone must also be carrier-unlocked.

What is the difference between eSIM Japan Infinite Data and eSIM Japan?

Infinite Data: Unlimited mobile data with a separate hotspot allowance.

eSIM Japan: 12GB, 21GB or 30GB, with the full data allowance usable for hotspot.

Both connect to KDDI au.

Who should choose eSIM Japan Infinite Data?

Travellers who use lots of data for Google Maps, social media, video streaming, uploads and everyday browsing without wanting to monitor their data balance.

Speed Test Results
Speed Test - Hokkaido,Japan (2024) Speedtest-Osaka,Japan (2024)
Hokkaido, Japan (2024)
Osaka, Japan (2024)

Speed-test results are for reference only and may vary by location, device, network conditions and time of use.
Download Quick Guide button
  • Download Installation Guide