Why am I getting a firmware message error on my Galaxy S5 and how can I fix it?

[AC Question]

Firmware upgrade encountered an issue on Galaxy S5

I was trying to root my Galaxy S5 (Exynos International Version) with the CF Auto root, in some point the root failed. Now my phone has an image saying"firmware upgrade encountered an issue". How can I fix this?

 

[xXProFastXx]

Re: Firmware upgrade encountered an issue on Galaxy S5

bumping the post so someone can see this post.