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Original topic:

Soundbar HW-N400 Firmware update using USB - Message: NO DAT

(Topic created on: 26-02-2022 07:00 PM)
laflizard56
First Poster
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‎26-02-2022 07:00 PM in 

When I try to update the firmware for my HW-N400 soundbar using USB, the soundbar displays the following message:  NO DAT.  The ROM file, HMS-N400WWB-1000.3.ROM, is on the root directory of the usb drive and not in a folder.  The reason I want to update the firmware is because the soundbar suffers from audio dropping out on occasion.  If there is another way to correct this problem I would love to know about it.  Thanks.

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4 REPLIES 4
Obsydian
Big Cheese
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‎26-02-2022 07:05 PM in 

What format is your USB and size
Regards, Obsydian

DAILY DEVICES
ZFold4 [Mobile], Pro5 [Watch], S8 Ultra [Tablet], Book2 Pro i5 5G [Laptop], Buds Pro2 [Buds] M70A 32/43" [Monitor], Smart Tags+, iPad Mini 5 and iPad Pro 12.9 GEN2 [Tablets], Dell Inspiron G5 Laptop

HOUSEHOLD DEVICES
ZFlip3 and ZFlip4 [Mobile], Watch5 40mm and 46mm [Watch], S7+ and S6 Lite [Tablet], QN95A [TV], Q900A [Soundbar], MC28M6075 and MC32K7055 [Microwave], Jet 75 Complete (Vaccum), Samsung Level [Speaker], Buds Pro [Buds], iPhone 12, iPad Air 2, Air tags
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laflizard56
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‎27-02-2022 12:08 AM in 

it is Fat 32 and 32 gb

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Obsydian
Big Cheese
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‎27-02-2022 07:04 AM in 

Best to follow the instructions also, I think I left the files in the folder and got the same message you did, also when using a larger capacity usb
Regards, Obsydian

DAILY DEVICES
ZFold4 [Mobile], Pro5 [Watch], S8 Ultra [Tablet], Book2 Pro i5 5G [Laptop], Buds Pro2 [Buds] M70A 32/43" [Monitor], Smart Tags+, iPad Mini 5 and iPad Pro 12.9 GEN2 [Tablets], Dell Inspiron G5 Laptop

HOUSEHOLD DEVICES
ZFlip3 and ZFlip4 [Mobile], Watch5 40mm and 46mm [Watch], S7+ and S6 Lite [Tablet], QN95A [TV], Q900A [Soundbar], MC28M6075 and MC32K7055 [Microwave], Jet 75 Complete (Vaccum), Samsung Level [Speaker], Buds Pro [Buds], iPhone 12, iPad Air 2, Air tags
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M_N_B
First Poster
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‎24-06-2023 09:36 PM in 

I too have the same issue(s) where the audio drops out on occasion, I found that if I reset via pwr off/on the sound resolves itself until the next time. I tried to update the firmware with no avail meaning where or not I have the zip file intact and ROM file extracted it still cannot read data, has anyone fixed this. Is there a USB format and/or size restriction? I've tried a 256 Gb and a 1 Gb sized format as FAT

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