Defy MB525 "No Os installed" says TWRP

Hello,

Sorry, my english is not trained...

I ve updated my defy to cm-7.2.0-jordan with 2ndinit
But I had problems with Gapps.

So, I ve tried to update to CM11, with TWRP
(http://ift.tt/1isOZCv)
but, it involved 2 files I havent found new_boostrap.zip & resize.zip...

So I ve tried a method I found on another site (witch I can't find again...)

Now, TWRP says "No Os installed"
I'm able to go to TWRP, to launch ADP daemon, to push file using
"adb push filename /sdcard/"

But for now, Watherver File I've tried, theyre's no change: still no os installed, still google logo followed by a green light and a black screen...

I'm lost...
I suppose I haven't find the good files?

Any advice?

Thanks.

But now,

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