Official Changelog of Xperia SP 12.1.A.1.205, Xperia M 15.4.A.1.9 firmware updated by Sony

Yesterday we saw two firmware updates from Sony, first one is for Xperia SP in form of 12.1.A.1.205 firmware which moves it from previous android 4.3 12.1.A.1.201 firmware and second one is for Xperia M in form of 15.4.A.1.9 firmware which enabled installing of Xperia themes on Xperia M now which was previously missing in first build release of android 4.3 for Xperia M.

Changelog for both updates were not available yesterday but Sony has updated details of  Xperia SP 12.1.A.1.205, Xperia M 15.4.A.1.9 firmware on software pages of both phone on their website. If you haven’t updated your Xperia SP and Xperia M yet kindly follow below mentioned link.

Xperia SP 12.1.A.1.205 firmware updating steps.

Xperia M 15.4.A.1.9 firmware updating steps.

Xperia SP 12.1.A.1.205 firmware changelog

Sony has mentioned below points in the changelog on their website.

  • Shorter charging time.
  • Enhanced performance and stability of Mobile Bravia Engine 2.
  • Improved screen visibility to cover more lighting conditions.
  • Quicker file management.
  • All the latest bug fixes and stability improvements.

Xperia M 15.4.A.1.9 firmware changelog

Check the changelog below as mentioned by Sony.

Xperia M 15.4.A.1.9 firmware

  • Enhanced user performance.
  • Improved battery life.
  • Software performance enhancement.

If you have updated your Xperia SP and Xperia M on concerned firmwares, let us know what changes you noticed. Drop your comments below.

Thanks Ben 🙂

Xperia M 15.4.A.1.9 firmware update rolling – Xperia Themes Download support added

Xperia M has been updated to new 15.4.A.1.9 firmware which moves it from old android 4.3 jelly bean 15.4.A.0.23 firmware. Initially Sony didn’t enable Xperia themes downloading feature on Xperia M android 4.3 jelly bean update but 15.4.A.1.9 firmware update brings support to install and download Xperia themes from the Play Store which is the most significant changelog of this update we found.

15.4.A.1.9 firmware update is confirmed on Xperia M C1904 and C1905 in Europe region and India. 15.4.A.1.9 firmware notification is also available in phone but you need computer to download it. Connect your Xperia M to PC Companion / SUS to download 15.4.A.1.9 firmware update, it is around 682 MB in size.

Xperia M 15.4.A.1.9 firmware

Check the 15.4.A.1.9 firmware update notification in phone.

Xperia M 15.4.A.1.9 firmware

Xperia M 15.4.A.1.9 firmware update India OTA

As 15.4.A.1.9 firmware update beings rolling in different regions we will post the 15.4.A.1.9 firmware ftf for manual updating via flashtool.

Official Changelog of Xperia M 15.4.A.1.9 firmware update.

Except some performance enhancement and bug fixes nothing major is noticed in this 15.4.A.1.9 firmware update. Xperia M users if you have already updated your handset let us know what changes you noticed. Drop your comments below.

via – user Rahul2001 [  Sony Mobile Forum ]