topic Post OS 6.0 Update slowed down device in M Series https://community.sony.rs/t5/m-series/post-os-6-0-update-slowed-down-device/m-p/3605908#M20457 <P>After upgrading to Marshmallow, Xperia M4 aqua hangs frequently, and Camera sometimes fails to open, sound problem, connectivity problem(earphone).&nbsp;</P> Sun, 20 May 2018 14:22:41 GMT Urmila95 2018-05-20T14:22:41Z Post OS 6.0 Update slowed down device https://community.sony.rs/t5/m-series/post-os-6-0-update-slowed-down-device/m-p/3605908#M20457 <P>After upgrading to Marshmallow, Xperia M4 aqua hangs frequently, and Camera sometimes fails to open, sound problem, connectivity problem(earphone).&nbsp;</P> Sun, 20 May 2018 14:22:41 GMT https://community.sony.rs/t5/m-series/post-os-6-0-update-slowed-down-device/m-p/3605908#M20457 Urmila95 2018-05-20T14:22:41Z