Posted on Nov 30 2014 - 11:56pm by Anurag Kumar

A few days back Sony unexpectedly rolled android 4.4.4 firmware update for Xperia M2 ( D2303 and D2306 ) and now the same 18.3.1.C.0.21 firmware is also rolling for Xperia M2 Aqua D2403. 18.3.1.C.0.21 firmware is rolling via PC Companion and is confirmed in regions like Malaysia, Russia, Indonesia, Thailand.

Audio delay bug is fixed on 18.3.1.C.0.21 firmware update. Android 4.4.4 update is not seen on Xperia M2 Dual yet thought its open source archive build has already been released by Sony.

Xperia M2 Aqua 18.3.1.C.0.21 firmware

Below you can see various customizations on which 18.3.1.C.0.21 firmware has been released for Xperia M2 Aqua.

Xperia M2 Aqua 18.3.1.C.0.21 firmware

Download 18.3.1.C.0.21 firmware ftf

If you haven’t got the 18.3.1.C.0.21 firmware update yet, download 18.3.1.C.0.21 firmware ftf from below and flash it using flashtool.

For D2403

Download D2403_18.3.1.C.0.21_RU.ftf

Do share your views on Xperia M2 Aqua Android 4.4.4 update. Drop your comments below.

ftf via Jozinek | Thanks for the tip, Ben!

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1 Comment so far. Feel free to join this conversation.

  1. LocaDevil February 20, 2015 at 3:34 pm - Reply

    my phone m2 aqua has 13.1.3.c.21 but sony pc companion said they told need to update to 13.1.3.c.13..

    what im gonna do? update or not??

    that is the defrent??

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