Can i do firmware update after changing original recovery to twrp ?

Hi, after buying my s7 edge i rooted my device and changed my original recovery to the TWRP recovery.
After a couple of days a firmware update ( 81.74mb) showed up but i cannot install it because i no longer have the original recovery.
Is there a way to install the update with the twrp recovery or can i find somewhere my original recovery or do i have to flash the full firmware inside odin ?

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