Default [Q] Help Samsung Galaxy s4 SGH-1337

Ok so i rooted my Gs4 and it went well but i tried to install twrp recovery and when i go to to revocery it instantly goes to download mode i hold power+home+up it boots and goes instanly to download mode then i tried installing clockwork mode through rom manager and still samething i've searched everywhere but nothing i tried this a website that had the stock recovery file but odin just gives a (auth) fail and i searched for hours and no fixes and i will be grateful for any help and i can still use my phone but i want to be able to go to recovery mode also my phone is 1337UCUEMK2 so its not mf3 can someone help?