## Latest OS Images
### Debian 9 - Stretch (by [Armbian](https://www.armbian.com/helios4/))
[![Debian Stretch](/img/os/debian.png)](https://cdn.kobol.io/files/Armbian_5.68_Helios4_Debian_stretch_next_4.14.88.img.xz)
*MD5SUM : a32a42f694c1aef3ebd8e217be5932e3
Build date : 14/12/2018
Size : 242 MB
*
[Direct Download](https://cdn.kobol.io/files/Armbian_5.68_Helios4_Debian_stretch_next_4.14.88.img.xz)
!!! note
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/))
[![Ubuntu Bionic](/img/os/ubuntu.png)](https://cdn.kobol.io/files/Armbian_5.68_Helios4_Ubuntu_bionic_next_4.14.88.img.xz)
*MD5SUM : 125735c9ebd88a91cf4fabd36ea903af
Build date : 14/12/2018
Size : 183 MB
*
[Direct Download](https://cdn.kobol.io/files/Armbian_5.68_Helios4_Ubuntu_bionic_next_4.14.88.img.xz)
### Syncloud
[![Syncloud](/img/os/syncloud.png)](https://github.com/syncloud/platform/wiki)
Check their [download page](https://github.com/syncloud/platform/wiki) for latest image.
## Known Issues / Limitations
- SDcard High Speed timing have compatibility issue with some brands.
**Temporary workaround :** Disable UHS option/support.
*Can be manually enable, refer to the following [page](/sdcard).*
- During SATA heavy load, accessing SPI NOR Flash will generate ATA errors.
**Temporary workaround :** Disable SPI NOR flash.
*Can be manually enable, refer to the following [page](/spi).*
- Wake-on-LAN is not yet implemented.
## Image List
!!! note
7Z archives can be uncompressed with 7-Zip on Windows, Keka on OS X and 7z on Linux (apt-get install p7zip-full). XZ archives and RAW images can be directly written to microSD card with Etcher (all OS).
Filename | Download | MD5
---------|----------|----
**Armbian_5.68_Helios4_Debian_stretch_next_4.14.88.img.xz**
Armbian Debian 9 Stretch (Kernel 4.14.88)
Build date : 14/12/2018
Size : 242 MB|[Download](https://cdn.kobol.io/files/Armbian_5.68_Helios4_Debian_stretch_next_4.14.88.img.xz)|a32a42f694c1aef3ebd8e217be5932e3
**Armbian_5.68_Helios4_Ubuntu_bionic_next_4.14.88.img.xz**
Armbian Ubuntu 18.04 Bionic (Kernel 4.14.88)
Build date : 14/12/2018
Size : 183 MB|[Download](https://cdn.kobol.io/files/Armbian_5.68_Helios4_Ubuntu_bionic_next_4.14.88.img.xz)|125735c9ebd88a91cf4fabd36ea903af
**Armbian_5.67_Helios4_Debian_stretch_next_4.14.83.7z**
Armbian Debian 9 Stretch (Kernel 4.14.83)
Build date : 26/11/2018
Size : 262 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.67_Helios4_Debian_stretch_next_4.14.83.7z)|56bf66e135ee218e715e72741c14737e
**Armbian_5.67_Helios4_Ubuntu_bionic_next_4.14.83.7z**
Armbian Ubuntu 18.04 Bionic (Kernel 4.14.83)
Build date : 26/11/2018
Size : 199 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.67_Helios4_Ubuntu_bionic_next_4.14.83.7z)|d31049b4965363d935e81b94a1af89f0
**Armbian_5.64_Helios4_Debian_stretch_next_4.14.74.7z**
Armbian Debian 9 Stretch (Kernel 4.14.74)
Build date : 09/10/2018
Size : 256 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.64_Helios4_Debian_stretch_next_4.14.74.7z)|a6736f5352ebc0a4c2da2a149963412c
**Armbian_5.64_Helios4_Ubuntu_bionic_next_4.14.74.7z**
Armbian Ubuntu 18.04 Bionic (Kernel 4.14.74)
Build date : 09/10/2018
Size : 191 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.64_Helios4_Ubuntu_bionic_next_4.14.74.7z)|d9a054f9b2eadf7a21f7df7719259b3b
**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
**Default credential for OpenMediaVault image**
```bash
helios4 login: root
Password: openmediavault
```