Security update 1st Jan 2020 53.0.A.14.47

[djeire84]

Hi all fellow Xperia 10 users. Just picked up the latest security update for the Xperia 10 which bumps the build up to 53.0.A.14.47 nothing new to report thus far but usually these security patches fixes bugs, overall system improvements and battery performance improvement.

**Always backup your data first before an update**

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