Japan 1GB 7Days (IIJ) eSIM Reviews & Details — 0.0★

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Japan NTT docomo 5G

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Frequently asked questions

How much does the Japan eSIM cost?

The Japan 1GB 7Days (IIJ) plan costs $1.19 for 1 GB over 7 days, paid once with no hidden fees.

How do I activate my Japan eSIM?

Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan.

Will this eSIM work on my phone?

It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.

Can I keep my regular number?

Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan.

Comments & questions

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Priya R. · 2 months ago

Is 5G supported or just 4G?

Ken GotoeSIM Support

Hi Priya! Our Japan eSIM plans typically support both 4G and 5G, depending on your device and the local network coverage. Just make sure you have an eSIM-compatible unlocked phone to enjoy the best speeds! If you have more questions, feel free to reach out. – Ken, GotoeSIM Support

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Carlos M. · 5 months ago

Which networks does this connect to?

Grace GotoeSIM Support

It connects to trusted local partner networks, Carlos, on 4G/5G where available. – Grace 💜

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Zoe B. · 5 months ago

Is 5G supported or just 4G?

Tom GotoeSIM Support

Yes Zoe, 5G is supported where the local network offers it, otherwise fast 4G. — Tom, GotoeSIM Support

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Max G. · 6 months ago

Will this keep my WhatsApp active with my home number?

Yuki GotoeSIM Support

Your number stays active for WhatsApp, Max! The eSIM just handles data. – Yuki 💜

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Liam G. · 6 months ago

How long does the QR code take to arrive after payment?

Laura GotoeSIM Support

It's immediate, Liam! The QR code is delivered the moment your payment goes through. – Laura, GotoeSIM Support

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Ethan V. · 8 months ago

Can I top up the same eSIM instead of buying a new one?

Mark GotoeSIM Support

Topping up is easy, Ethan! Just add more data to your existing eSIM in the app. – Mark 💜

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Viktor T. · 8 months ago

Does this work on an iPhone 13?

Sophie GotoeSIM Support

Absolutely, Viktor! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — Sophie, GotoeSIM Support

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Pablo W. · 10 months ago

Is roaming charged extra or is it all included?

Ken GotoeSIM Support

Roaming is included in the plan, Pablo — no extra charges, it's all prepaid. — Ken, GotoeSIM Support

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Grace T. · 10 months ago

Does the validity start on purchase or on first use?

Priya GotoeSIM Support

The clock starts on first use in-country, Grace, so buying early is totally fine. — Priya, GotoeSIM Support

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Aisha G. · 11 months ago

Great guide, the setup steps were really helpful.

David GotoeSIM Support

So glad it helped, Aisha! We're always here if you need anything. – David, GotoeSIM Support

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James H. · 1 year ago

How do I check how much data I have left?

Omar GotoeSIM Support

Your usage is tracked live in the app, James — check My eSIMs anytime. – Omar 💜

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Chloe L. · 1 year ago

Thanks, installed with no problems on my Samsung.

Sara GotoeSIM Support

Yes Chloe, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. — Sara, GotoeSIM Support

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Mei L. · 1 year ago

Can I use this for hotspot/tethering?

Ingrid GotoeSIM Support

Yes Mei, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Ingrid, GotoeSIM Support