Serious problem with my M6SL

Well, a few days ago I suddenly got the green screen with the upgrade resource.

So I tried to install the new firmware, the problem is that firmware version was for other version of M6, not SL. The player stopped of working, nothing works.

Then I tried to use DFU Tools as my last option, but I did horrible mistake and use the SP/TP Guide, and not SL.

Now when I try to connect the M6SL to PC, I mean when you're suppose to press and hold the "M" Button and "Play" Button, it does not work, the windows did not detect the player as DFU Device, I tried everything and nothing response, I'm afraid my M6SL is dead.

Someone can figure the problem? Thank's!

You have done a big fault! DFU Tools is not for SL version. And SL is strong enough that seldom broken.
SL is not SP or other version, Hold the "M" Button and "Play" Button ofcourse no effect!
Now you need to turn off your player(Hold "Player" button for 10 more seconds), then turn on, when it display the green screen you can connect it to computer, then copy the Firmware and resource to the root of your player.
you can download firmware from the following Page:
Download
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Why your player display green screen:
you open it, when it dislpay "loading" you hold the ">>" button for 10 seconds.
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if you have other question, you can goto Meizu offical Forum to get help:
"售前售后服务" or "MP4 Help Center"