Sony M2 dual Sound Problem

[Kobir]

I use Sony m2dual..and recently I update my device from kickstand 4.4 to lollipop 5.0..and I realised that..my phone sound(in loud)is so low...can u please tell me.. How can I go back to kitbag 4.4

[Uliwooly]

@Kobir

Check this post

http://talk.sonymobile.com/t5/Xperia-M2-M2-Aqua/Android-5-1-1-update-and-some-problems/m-p/1048137#U...

to downgrade you have 2 options either contact your Local support or use flashtool