Unhappy htc m8 bricked? help plz

i was trying to root m8 for change language reasong by "language enabler"apk n i success but in rebooting i've wiped os i think by mistake by "TWRP V2.7.1.0" now device stuck on htc android logo but i can access fastboot n revovery i need stuck firmware to make it work again n thats all info about my device
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