BACKUP all data first.  No guarantee this won't break your NVMe

Download the ISO from the Samsung SSD tools page.

Ex: wget https://download.semiconductor.samsung.com/resources/software-resources/Samsung_SSD_990_PRO_8B2QJXD7.iso

Install tools

```bash
sudo apt-get install -y gzip unzip wget cpio
```

Mount the ISO:

```bash
mkdir /mnt/iso
sudo mount -o loop /root/Samsung_SSD_990_PRO_8B2QJXD7.iso /mnt/iso
```

Extract and Run:

```bash
mkdir /tmp/fwupdate
cd /tmp/fwupdate
gzip -dc /mnt/iso/initrd | cpio -idv --no-absolute-filenames
sudo ./root/fumagician/fumagician
```

Reboot after the tool confirms success.