## Latest OS Images
### Debian 9 - Stretch (by [Armbian](https://www.armbian.com/helios4/))
[![Debian Stretch](/img/os/debian2.png)](https://dl.armbian.com/helios4/archive/Armbian_5.59_Helios4_Debian_stretch_next_4.14.66.7z)
*MD5SUM : 75a0647bfae55a0a7accb9b804ca80ab
Build date : 22/08/2018
Size : 253 MB
*
[Download](https://dl.armbian.com/helios4/archive/Armbian_5.59_Helios4_Debian_stretch_next_4.14.66.7z)
!!! info
OMV4 (OpenMediaVault 4) can be installed with the **armbian-config** tool as explained [here](/omv/#install-openmediavault).
### Ubuntu 18.04 - Bionic (by [Armbian](https://www.armbian.com/helios4/))
[![Debian Jessie](/img/os/ubuntu.png)](https://dl.armbian.com/helios4/archive/Armbian_5.59_Helios4_Ubuntu_bionic_next_4.14.66.7z)
*MD5SUM : bab20c54f3d9b6d6f5b58e594c6b9a58
Build date : 22/08/2018
Size : 191 MB
*
[Download](https://dl.armbian.com/helios4/archive/Armbian_5.59_Helios4_Ubuntu_bionic_next_4.14.66.7z)
## Known Issues / Limitations
- SDcard High Speed timing have compatibility issue with some brands.
**Temporary workaround :** Disable UHS option/support.
- During SATA heavy load, accessing SPI NOR Flash will generate ATA errors.
**Temporary workaround :** Disable SPI NOR flash.
- Wake-on-LAN is not yet implemented.
!!! note
Archives can be uncompressed with 7-Zip on Windows, Keka on OS X and 7z on Linux (apt-get install p7zip-full). RAW images can be written with Etcher (all OS).
## Image List
Filename | Download | MD5
---------|----------|----
**Armbian_5.59_Helios4_Debian_stretch_next_4.14.66.7z**
Armbian Debian 9 Stretch (Kernel 4.14.66)
Build date : 22/08/2018
Size :253 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.59_Helios4_Debian_stretch_next_4.14.66.7z)|75a0647bfae55a0a7accb9b804ca80ab
**Armbian_5.59_Helios4_Ubuntu_bionic_next_4.14.66.7z**
Armbian Ubuntu 18.04 Bionic (Kernel 4.14.66)
Build date : 22/08/2018
Size :191 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.59_Helios4_Ubuntu_bionic_next_4.14.66.7z)|bab20c54f3d9b6d6f5b58e594c6b9a58
**Armbian_Helios4_Debian_Stretch_4.14.20.img.xz**
Debian 9 Stretch (Kernel 4.14.20)
Build date : 17/02/2018
Size :229 MB|[Download](https://cdn.kobol.io/files/Armbian_Helios4_Debian_Stretch_4.14.20.img.xz)|fc98aac0c0f1617061bd6f5112896838
**Armbian_Helios4_Debian_Stretch_4.14.17.img.xz**
Debian 9 Stretch (Kernel 4.14.17)
Build date : 05/02/2018
Size :230 MB|[Download](https://cdn.kobol.io/files/Armbian_Helios4_Debian_Stretch_4.14.17.img.xz)|89ab81d74300ef346498066bcc742b0a
**Armbian_Helios4_Debian_Stretch_4.14.12.img.xz**
Debian 9 Stretch (Kernel 4.14.12)
Build date : 06/01/2018
Size :242 MB|[Download](https://cdn.kobol.io/files/Armbian_Helios4_Debian_Stretch_4.14.12.img.xz)|a97fef50ecb1c14a6013695f3b2a51b6
## Image Archives (Old Images)
!!! info
Even though you can use those images, they are now obsoletes for the following reasons :
* Debian 8 Jessie is End-Of-Life,
* OpenMediaVault 3.X is End-Of-Life,
* No more Helios4 support effort on Kernel 4.4.
Filename | Download | MD5
---------|----------|----
**Armbian_Helios4_Debian_Jessie_4.14.20-OMV_3.0.97.img.xz**
Debian 8 Jessie (Kernel 4.14.20) with OMV 3.0.97
Build date : 17/02/2018
Size : 259 MB|[Download](https://cdn.kobol.io/files/Armbian_Helios4_Debian_Jessie_4.14.20-OMV_3.0.97.img.xz)|963af770df27c351a84622bcfc90617a
**Armbian_Helios4_Debian_Jessie_4.4.112-OMV_3.0.96.img.xz**
Debian 8 Jessie (Kernel 4.4.112) with OMV 3.0.96
Build date : 05/02/2018
Size : 275 MB|[Download](https://cdn.kobol.io/files/Armbian_Helios4_Debian_Jessie_4.4.112-OMV_3.0.96.img.xz)|45425c2a16f8f3014275046b22010f82
**Armbian_Helios4_Debian_Jessie_4.4.112.img.xz**
Debian 8 Jessie (Kernel 4.4.112)
Build date : 05/02/2018
Size : 202 MB|[Download](https://cdn.kobol.io/files/Armbian_Helios4_Debian_Jessie_4.4.112.img.xz)|dd6f5ea6e9ac80e4f379d619b71ef1e8