Sony has officially seeded the Android 5.1.1 Lollipop (10.7.A.0.222) update to the older Xperia Z series, including Xperia Z, Xperia ZL C6503 and Xperia ZR. You can download this firmware’s FTF for the Xperia ZL below.
Sony has officially seeded the Android 5.0.1 Lollipop update (version 10.6.A.0.454) to Xperia ZL C6502 in Taiwan & USA and for the C6503 variant in Scandinavia. You can download the FTF package for both these handsets via direct links provided below.
Sony recently made the Android 4.4.4 KitKat update for a great deal of Xperia devices including Xperia Z, Xperia Tablet Z, Xperia ZR and Xperia ZL aimed to provide improved battery performance, updates for native Sony apps, stability patches for Email, as well as general performance enhancements. Right now, we’ve got our hands on the FTF files of 10.5.1.A.0.283 firmware for Sony Xperia ZL C6503 from Russia. You can download this package through the direct download mirrors given below and then flash it using the latest version of Xperia Flashtool.