A new firmware build recently started to roll for the Sony Xperia XA series with version number 33.2.A.3.81 for the single SIM models and 33.2.B.3.81 for the dual SIM models. Users are reporting this to be a stable update, although it does little to improve battery life, which is the phones main weakness. The FTF firmware files for all variants are available to download below, which includes Google security patches to 1 August 2016.
DOWNLOAD Xperia XA FTF Firmware Files – Android 6.0
Xperia XA (F3111) 33.2.A.3.81 UK Generic
Xperia XA (F3113) 33.2.A.3.81 Latin America Generic
Xperia XA (F3115) 33.2.A.3.81 Taiwan Generic
Xperia XA Dual (F3112) 33.2.B.3.81 France Generic
Xperia XA Dual (F3116) 33.2.B.3.81 Brazil Generic