Q4xr troubleshooting

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Q4xr troubleshooting2019-08-15T07:34:03+00:00

Q4xr トラブルシューティングビデオ

お困りの問題をすばやく簡単に解決します

Unable to turn on flashlight / flickering

Battery
Dirt
Obstructing Objects
Security Tape

Problems with focus

Focus
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