disqus: ## Latest OS Images All the following images are generated by [Armbian](https://www.armbian.com/helios4/) build framework. ### Armbian Buster (Debian 10) [![Debian Stretch](/helios64/img/os/debian10.png)](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_buster_current_4.19.84.7z)
*MD5SUM : cdb4463097190de35a2e58b1b12223f9
Build date : 19/11/2019
Size : 274 MB
* [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_buster_current_4.19.84.7z) !!! important OMV5 (OpenMediaVault 5) for Debian 10 Buster is still in beta and unstable. If you wand to use OMV, then you should use Debian 9 Stretch with OMV 4 for now. ### Armbian Stretch (Debian 9) [![Debian Stretch](/helios64/img/os/debian9.png)](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_stretch_legacy_4.14.154.7z)
*MD5SUM : cb7124089b8e1ff6feed32a5c5b768af
Build date : 19/11/2019
Size : 258 MB
* [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_stretch_legacy_4.14.154.7z) !!! note OMV4 (OpenMediaVault 4) can be installed with the **armbian-config** tool as explained [here](/helios4/omv/#install-openmediavault). ### Armbian Bionic (Ubuntu 18.04) [![Ubuntu Bionic](/helios64/img/os/ubuntu.png)](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_bionic_current_4.19.84.7z)
*MD5SUM : 7d0f80524bf2d24a3de403a6233a655b
Build date : 19/11/2019
Size : 192 MB
* [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_bionic_current_4.19.84.7z) ## Known 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](/helios4/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](/helios4/spi).* ## 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_19.11.3_Helios4_buster_current_4.19.84.7z**
Armbian 19.11.3 Debian 10 Buster (Kernel 4.19.84)
Build date : 19/11/2019
Size : 274 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_buster_current_4.19.84.7z)|cdb4463097190de35a2e58b1b12223f9 **Armbian_19.11.3_Helios4_stretch_legacy_4.14.154.7z**
Armbian 19.11.3 Debian 9 Stretch (Kernel 4.14.154)
Build date : 19/11/2019
Size : 258 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_stretch_legacy_4.14.154.7z)|cb7124089b8e1ff6feed32a5c5b768af **Armbian_19.11.3_Helios4_bionic_current_4.19.84.7z**
Armbian 19.11.3 Ubuntu 18.04 Bionic (Kernel 4.19.84)
Build date : 19/11/2019
Size : 192 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_19.11.3_Helios4_bionic_current_4.19.84.7z)|7d0f80524bf2d24a3de403a6233a655b **Armbian_5.91_Helios4_Debian_buster_next_4.19.63.7z**
Armbian 5.91 Debian 10 Buster (Kernel 4.19.63)
Build date : 02/08/2019
Size : 261 MB|[Download](https://cdn.kobol.io/files/Armbian_5.91_Helios4_Debian_buster_next_4.19.63.7z)|9c48344c208dfa50b5868debe6fae629 **Armbian_5.91_Helios4_Debian_stretch_default_4.14.135.7z**
Armbian 5.91 Debian 9 Stretch (Kernel 4.14.135)
Build date : 02/08/2019
Size : 252 MB|[Download](https://cdn.kobol.io/files/Armbian_5.91_Helios4_Debian_stretch_default_4.14.135.7z)|e8416b359a7620bb01b5a13c6a10612f **Armbian_5.91_Helios4_Ubuntu_bionic_next_4.19.63.7z**
Armbian 5.91 Ubuntu 18.04 Bionic (Kernel 4.19.63)
Build date : 02/08/2019
Size : 192 MB|[Download](https://cdn.kobol.io/files/Armbian_5.91_Helios4_Ubuntu_bionic_next_4.19.63.7z)|62983d7519f15e67355d6dd5e60ee353 **Armbian_5.77_Helios4_Debian_stretch_next_4.14.106.7z**
Armbian 5.77 Debian 9 Stretch (Kernel 4.14.106)
Build date : 14/03/2019
Size : 238 MB|[Download](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Debian_stretch_next_4.14.106.7z)|5f2e19d6ecf8a35de89c881fb06bd56e **Armbian_5.77_Helios4_Ubuntu_bionic_next_4.14.106.7z**
Armbian 5.77 Ubuntu 18.04 Bionic (Kernel 4.14.106)
Build date : 14/03/2019
Size : 177 MB|[Download](https://cdn.kobol.io/files/Armbian_5.77_Helios4_Ubuntu_bionic_next_4.14.106.7z)|90805f23c5c6491bbf1b251f4d3d74a0 **Armbian_5.75_Helios4_Ubuntu_bionic_next_4.14.98.7z**
Armbian 5.75 Ubuntu 18.04 Bionic (Kernel 4.14.98)
Build date : 10/02/2019
Size : 193 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_5.75_Helios4_Ubuntu_bionic_next_4.14.98.7z)|d70b2d51b29e6729c33bbec90825f47a