New firmware (10.5.1.A.0.292) certified for older Xperia Z series

New software has been certified by the PTCRB for the older Xperia Z series. Firmware build 10.5.1.A.0.292 has been certified for the Xperia Z, Xperia ZL, Xperia ZR and Xperia Tablet Z. This compares to the current firmware (10.5.1.A.0.283), which was the first firmware to bring Android 4.4.4 to these handsets. We’ll let you know if/when it starts rolling.

Xperia Z build number 10.5.1.A.0.292 certified for C6602, C6603 and C6606 variants

Xperia Tablet Z build number 10.5.1.A.0.292 certified for SGP321, SGP341 and SGP351 variants

Xperia ZL build number 10.5.1.A.0.292 certified for C6502, C6503 and C6506 variants

Xperia ZR build number 10.5.1.A.0.292 certified for C5502 and C5503 variants

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