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TIL: the Chinese telco Baidu decided to break the e.118 standard which defines the identifiers for SIM cards (ICCID) in order to be able to encode custom data instead of using it as a true serial number. https://www.xingsuyun58.com/907996.html
TIL: the Chinese telco Baidu decided to break the e.118 standard which defines the identifiers for SIM cards (ICCID) in order to be able to encode custom data instead of using it as a true serial number.
https://www.xingsuyun58.com/907996.html
Full details here: https://baike.baidu.com/item/iccid/5181544
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