How to unlock G900H without a code

Hi, I would like to sell my G900H, but first I want to unlock it so I can sell it faster.

When I had the S3, I used GalaxSim Unlock and it worked fine, but it doesn't work with the S5.

Any ideas?

Need Help guys for rooting G900h Lollipop indian version

Hi guys.. I need help to root galaxy s5 G900H lollipop . I tried CF auto root flashed via odin , But it ends with bootloops. Again i flashed stock rom for bootloops. I also tried philz_touch_6.48.4-k3gxx.tar.md5 flashing this file and unable to boot to recovery.. I need help guys . My knox is tripped and i Need Root