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Old 11-11-2019, 09:21   #2 (permalink)
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@ vicente rico,

Write posts in English, please.
In most cases such an error appears if communication between Smart card reader and Smart card is not stable.
If your box warranty cover has expired you can try to take out smart card, clean it, place it back and check whether it will work correctly. Also, as an option you can try to use it in another Smart card reader.

Best Regards
GSMServer team

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