Hey folks, I have a problem want to know if anyone has the solution. I have a galaxy s4 i9505 I installed google edition 4.3 rom and its rooted TWRP. Right now its calling for system update 4.4 kit kat I choose to download and install then it will restart, but the problem is when it restarts it goes into download mode and nothing happens, well I cant say, left it for 2 hours and nothing any help?