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Reviews around instruction (5.00 of 5)
AIS Unlimited Travel Sim For Asia Prepaid 18 Countries for 8 Days (China include)
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I did not use the card in other countries, so I cannot vouch for it outside of Japan; however, there were very helpful instructions included in the packet on checking the amount of data remaining (though I also found that my iPhone's Cellular tab reset the "Period" for the data use for the new SIM card, so I mostly used that after checking a few times that they were the same).
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