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Add Samsung SSD firmware post

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stigok committed Oct 9, 2019
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layout: post
title: "Update firmware of Samsung EVO 840 and 850 SSD drives on Linux"
date: 2019-10-09 23:06:25 +0200
categories: ssd, firmware

## Firmware upgrade procedure
### Samsung EVO 840

For the EVO 840 I downloaded the firmware for Mac, which was an ISO file.
I mounted the ISO to a local directory, copied out the *.img* file I found,
then wrote the *.img* file directly to a USB flash drive.
My USB flash drive specified as */dev/sdx*.

# mount Samsung_SSD_840_EVO_Series_EXT0BB6Q_Mac.iso /mnt
# dd if=/mnt/isolinux/btdsk.iso of=/dev/sdx
# sync
# umount /mnt

Download from <>.

I rebooted the system and enabled *Legacy USB boot* in my UEFI (BIOS),
and followed the procedure. At one point, I was asked to power cycle the
disk before confirming I had done so. I pulled the power plug of the disk
and put it back in, before I confirmed with `Y`.

### Samsung EVO 850

For the EVO 850, the firmware update ISO can be directly written to a
USB flash drive.

# dd if=Samsung_SSD_850_EVO_EMT02B6Q_Mac.iso of=/dev/sdx
# sync


## Tools

To check the firmware version of my disks, I use `smartctl` from the
*smartmontools* package in Arch.

# smartctl /dev/sdb --info
smartctl 7.0 2018-12-30 r4883 [x86_64-linux-5.3.4-arch1-1-ARCH] (local build)
Copyright (C) 2002-18, Bruce Allen, Christian Franke,
Model Family: Samsung based SSDs
Device Model: Samsung SSD 840 EVO 500GB
Serial Number: [redacted]
LU WWN Device Id: [redacted]
Firmware Version: EXT0BB6Q
User Capacity: 500,107,862,016 bytes [500 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 4c
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Wed Oct 9 23:28:48 2019 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

The above output was taken *after* the upgrade of the EVO 840.

## References
- <>
- <>

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