if you don't like the lollipop os for your galaxy 4 then i can show you the method how can u downgrade the firmware with safely way.
First download the firmware kitkat 4.4.2 from any site better from here . then u need odin 3.09 search on google . before you farward your first step make sure you installed all the driver for your galaxy s4 n your pc.swtich your mobile off thn volum down buttn+home buttn+power buttn push same time this method enter u downlading mode.open your odin and click on ap buttn and select your firmware where this locate.Thn make re-partition not marked.plug your usb n mobile and pc.u can see on odin id:com show any part if not thn wait or reinstalled your mobile driver.after com part showing u can go for start buttn . after 8 to 12 minuts mobile reboot and cum with kitkat firmware downgrade successfully.if mobile stuck n booting then pull betttery out and re-insert the bettery and push volum up+home buttn+power key same time.this will bring u in recovery menu there u have to do is wipe cache partion and wipe data after u complete these both work go for reboot your device...congratulation kitkat is installed ....
First download the firmware kitkat 4.4.2 from any site better from here . then u need odin 3.09 search on google . before you farward your first step make sure you installed all the driver for your galaxy s4 n your pc.swtich your mobile off thn volum down buttn+home buttn+power buttn push same time this method enter u downlading mode.open your odin and click on ap buttn and select your firmware where this locate.Thn make re-partition not marked.plug your usb n mobile and pc.u can see on odin id:com show any part if not thn wait or reinstalled your mobile driver.after com part showing u can go for start buttn . after 8 to 12 minuts mobile reboot and cum with kitkat firmware downgrade successfully.if mobile stuck n booting then pull betttery out and re-insert the bettery and push volum up+home buttn+power key same time.this will bring u in recovery menu there u have to do is wipe cache partion and wipe data after u complete these both work go for reboot your device...congratulation kitkat is installed ....
