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  1. Alanis.Reinger

    Annke Firmware to Hikvision Firmware: HOW TO

    I have multiple C800 ( model I91BM ) that i am trying to upgrade to a newer version of firmware that i have downloaded on this thread But everythime i try i have a message upgrade failed and i don't quite understand why it's not working. I tried with C800_I91DM_I91DL_I91DS_V5.7.3_240410 and...
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