MY NEW SAMSUNG TV is BROKEN BECAUSE OF FIRMWARE UPDATE BY SAMSUNG (1504) - now or 5 weeks I have had Local Dimming problem - NO LOCAL DIMMING IN THE TV Samsung 75QN91B - the Poland Centre even didn't prepare the form of the issue, they promise to call but they don't, or after the time agreed, then their reset didn't help (twice), each representatvie from the centre says something different (global problems (!?), bug, firmware, etc), the local service don't know what is going on, a guy arrived, looked at the tv and confirmed that there is a problem ! - for a while the local dimming returned (after he opened and closed the service menu), but after the tv was switched off from the mains - gone - this is in Poland - 5 weeks with a malfunctioning new tv (3 months old) - after two weeks I got information that the problem is registered, the same day the guy returned with a memory stick, didn't help - then after a few days they took the tv then after 5 days returned without repair - "maybe Korea will help with a new firmware update" - still nothing - they returned the tv - I got a document that the service problem is closed ! - they tell you that somebody will phone, nothing, another time they fix a time that a technician will call, I change my routines and wait (1pm till 2 pm) also nothing, once sb called, I was in the toiled, I asked to call 10 minutes later, also nothing - DO NOT BUY a SAMSUNG
