Tmobile Lg L90 (D415) STUCK IN BOOTLOOP! PLEASE HELP!!

I was downgrading my LG L90 to D41510c_00.kdz and it went all the way to 100% but as the phone booted up it looped and i used LG flash tool 2014 to downgrade it the first time it was fine. the second time i did it, it was to update it to lollipop but it was too slow so i downgraded the phone again everything went well until it booted up

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