Download Zebra LS4278 Hard Reset File

8.4 oz./238 g; Cradle:

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Scanner Dimensions: 7.3 in. H x 3.85 in. L x 2.7 in. W/18.5 cm H x 9.7 cm L x 6.9 cm W
Cradle Dimensions: 2.0 in. H x 8.35 in. L x 3.4 in./5 cm H x 21.1 cm L x 8.6 cm W
Weight: Scanner:

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LI4278-TRBU0100ZWR (Cradle Assembly Included)

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Took a while to update, then I clicked Launch and it rebooted with scary red lights, but eventually came back.

I have an old LS4278-SR2015TZZWR in IBM HANDHELD mode and have installed the latest Windows SDK on Windows 10 64-bit. When I run the Scanner SDK C# Sample Application, the cradle and the scanner appear in the Connected Scanners list, and I can indeed get barcode events from the scanner. But attempting to beep the beeper with opcode 6000 doesn't work -- I get a status of 0, indicating that it should have worked, but there's no beep.

I found this post which seemed to match problem exactly, and he said he fixed it by updating to the latest firmware, except that 123Scan can't find firmware for this device:

I switched to the Advanced tab, clicked the Browse button to point to the NBRACAAM-NBCACAAR.DAT firmware file, and clicked Update. Figured if I bricked it, an old used scanner isn't a huge loss.