ByteSIM

ByteSIM eSIM Data Plans for Japan 🇯🇵

★ BEST VALUE Regional Asia 9 Countries + calls & SMS · 4G/5G

10 GB 30 days $3.39/GB

$33.90

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taxes may apply at checkout · updated May 6, 2026

Quick answers

Does ByteSIM sell eSIM plans for Japan?

Yes. eSIMAdvice currently lists 2 ByteSIM Japan plans.

What is the cheapest ByteSIM eSIM for Japan?

The lowest displayed ByteSIM Japan plan is Japan · Unlimited · 3 days · 5G · Ultra Unlimited by KDDI No FUP, at $6.90.

What is the best value ByteSIM Japan plan?

Regional · 13 countries · 10 GB · 30 days · 5G · Asia + calls & SMS is the current best-value match by displayed price per GB: $3.39/GB ($33.90 in total).

Is the provider coupon included in these prices?

Current prices are shown without an additional listed discount.

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