Works fine. No hassle returns. Works in these models:
PN51D430A3DXZA N411
PN51D430A3DXZA N102
PN51D440A5DXZA N410
PN51D440A5DXZA N101
PN51D440A5DXZA N102
PN51D450A2DXZA N101
PN51D450A2DXZA N102
PN51D450A2DXZA N411
PN51D490A1DXZA
PN51D495A6DXZA N102