sony xperia z c6602

firmware for xperia z :

to download android 5.1.1 for xperia z click her 

to download android 5.0.2 for xperia z click her 

to download android 4.4.4 for xperia z click her

after you download the firmware change .rar or .zip to .ftf

flashtool for xperia z :

to download flashtool for windows click her