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After update I can't search through my music library in walkman. Everytime it returns "no results found". Before update search was ok.
Try settings-apps-all-walkman,clear data.Restart and try again.
NO EFFECT 
This issue is with your device only because the update doesn't have that glitch, try repairing your phone once and see if this helps.
Yesterday there was an update for Walkman, but this bug still exists ((
Maybe another app, try disable or uninstalling Chrome.
Chrome is build in app, I can't remove it. Phone not rooted.
you can disable it..not remove
setting>apps>all>chrome then disable