speed test

identify drive letter:

fdisk -l|grep Samsung -B 1

test hard drive speeds:

hdparm -Tt /dev/nvme1n1

update firmware

first, unmount any filesystem mounted on the drive if it’s your boot drive, you need to boot using a livecd.

navigate to https://bit.ly/3nB8vXb in firmware find your drive model and download the iso:

wget https://download.semiconductor.samsung.com/resources/software-resources/Samsung_SSD_990_PRO_1B2QJXD7.iso

mount the iso:

mkdir /mnt/iso
mount -o loop Samsung_SSD_990_PRO_1B2QJXD7.iso /mnt/iso

decompress initrd on temp directory:

mkdir /tmp/samsung 
cd /tmp/samsung
gzip -dc /mnt/iso/initrd | cpio -idv --no-absolute-filenames

enter the following directory and execute fumagician:

cd /tmp/samsung/root/fumagician
./fumagician