No, there is no danger, v3 devices can always be recovered and there's plenty of known working firmware around.
Just add a .bin extension to it and flash it. If anything goes wrong, you have a backup.
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For my dreams i hold my life...
I miss my Meizu M6SL... Currently rocking a Sony Ericsson w595 on Samsung in-ear phones. Does fine, but it's not a chipod...