Japan Sim Cards
Best SIM card for Japan
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Japan 5-day Docomo IIJ 4G SIM Card 5GB
£2/ day
£7.58
£5.21
5Day(s)
Docomo IIJ
First 5GB at 4G and reduced to not below 256kbps thereafter
Plug and use
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Japan 7-day Docomo IIJ 4G SIM Card 10GB
£1/ day
£9.29
£6.45
7Day(s)
Docomo IIJ
First 10GB at 4G and reduced to not below 256kbps thereafter
Plug and use
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Japan 8-day Docomo IIJ 4G SIM Card 10GB
£1/ day
£9.86
£7.11
8Day(s)
Docomo IIJ
First 10GB at 4G and reduced to not below 256kbps thereafter
Plug and use
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Japan 8-day Softbank 4G SIM Card with Calls
£1/ day
£13.08
£7.40
(322)
8Day(s)
Softbank
First 6GB at 4G speed, and reduced to not below 256kbps thereafter
Plug and use
Phone Call
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Japan 10-day Docomo IIJ 4G SIM Card 10GB (Activate before 2025.12.30)
£1/ day
£13.08
£7.58
10Day(s)
Docomo IIJ
First 10GB at 4G and reduced to not below 256kbps thereafter
Plug and use
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Japan 10-day Docomo IIJ 4G SIM Card 20GB (Activate before 2025.12.20)
£1/ day
£15.93
£9.29
10Day(s)
Docomo IIJ
First 20GB at 4G and reduced to not below 256kbps thereafter
Plug and use
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Japan 15-day Docomo IIJ 4G SIM Card 10GB
£1/ day
£14.03
£8.82
15Day(s)
Docomo IIJ
First 10GB at 4G and reduced to not below 256kbps thereafter
Plug and use
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Japan 15-day Docomo IIJ 4G SIM Card 20GB
£1/ day
£17.82
£10.90
15Day(s)
Docomo IIJ
First 20GB at 4G and reduced to not below 256kbps thereafter
Plug and use
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KKday：353679
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Holimood：354248
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Wing On Travel：350074
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