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. 

Releases

NVMe SSD-990 PRO Series Firmware
*(8B2QJXD7) To improve read-operation stability. (Release : December 2025)
*(7B2QJXD7) To address the intermittent non-recognition and blue screen issue. (Release: September 2025)
*(4B2QJXD7) To address reports of high temperatures logged on Samsung Magician. (Release: December 2024)
*990 PRO I 990 PRO with Heatsink will be manufactured using a mixed production between the V7 and V8 process starting September 2023.