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anyone else getting constant connection errors when trying to upgrade the firmware? the H9 control IOS upgraded wihtout issues and every time I try to upgrade the H9 firmware it says clearing flash then after a while it just says conenction error. the only way to recconnect is powering off the unit and back
This happens with some iPhones when they are connected to the H9 over Bluetooth. Unfortunately, we've never been able to reproduce this problem. So, we've never been able to fix it. You'll need to update your H9 using a USB cable instead.