(help) how re -install recovery mode

hello I will be brief , I wanted to install TWRP recovery but not what went wrong and now I want to enter recovery mode , now I can not install any recvovery but if I can use my phone, any idea how to reinstall the recovery is similar to what It happens to the guy video but do not know how to fix my cell
https://www.youtube.com/watch?v=fAvRGWftp58

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