Xperia M4 aqua + Android 6.0.1 + adopted sd card extremly slow and unstable/buggy

M4zlista

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Sep 29, 2012
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Hi guys! One of my best phone is M4 aqua. Sadly the internal storage was not enough, therefore I updated it to Android 6.0.1 because it has the feature for adoptable sd card.
I done it too, with a fast 16gb samsung sd card.

But this is extremly slow right now. The programs does not starts, or quit with crash errors. For example facebook or messenger needs to start at least 4-5 times before it started and not rerports any crash.
Why is this? Can u help me?