Download new firmware for X1 Sports Camera from here, here or here.
Archive name: X1 Action fwArchive size: 2.8 MBArchive content: SPHOST.BRNFirmware Upgrade Guide
Download the firmware archive, extract the .brn file and copy it to the TF card. Insert it to the camera, start the camera, stop recording then press the up button, the camera will start to flash the firmware.
Notice
Make sure that the battery is at least half full before update the firmware.
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