Before the release of the phone, Sony has a new minor firmware (23.0.A.2.105) certified for the Xperia Z3 (D6603/D6653) and Xperia Z3 Compact (D5803/D5833). We will let you know if Sony does release the phone with this firmware.
Sony has made the PTCRB page for Xperia Z3 live. The D6603 model has 23.0.A.2.98 firmware certified, the D6616 has 23.0.D.1.123, the D6633 dual-SIM version has 23.0.F.1.74 and the D6653 variant has 23.0.A.2.93 firmware certified. Continue reading