diff --git a/docs/download.md b/docs/download.md
index 2868b24..b318d5c 100644
--- a/docs/download.md
+++ b/docs/download.md
@@ -21,27 +21,19 @@ All images are generated by [Armbian](https://www.armbian.com/helios4/) build fr
=== "Debian 10 (Buster)"
- [](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_buster_current_4.19.107.7z)
- *MD5SUM : 2e09c44a57075f4b9c6960db55eac54c
- Build date : 03/03/2020
- Size : 272 MB
*
- [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_buster_current_4.19.107.7z)
+ [](https://dl.armbian.com/helios4/archive/Armbian_20.05.2_Helios4_buster_current_5.4.43.img.xz)
+ *SHA256 : 9d4e2440b422c0733d82ad3eee3bfeb36aa34622a935b2892e2481c0f2b96e42
+ Build date : 08/06/2020
+ Size : 340 MB
*
+ [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_20.05.2_Helios4_buster_current_5.4.43.img.xz)
-=== "Debian 9 (Stretch)"
+=== "Ubuntu 20.04 (Focal)"
- [](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_stretch_legacy_4.14.172.7z)
- *MD5SUM : a66d7d3fbaf57630f15dfc50d767291f
- Build date : 03/03/2020
- Size : 263 MB
*
- [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_stretch_legacy_4.14.172.7z)
-
-=== "Ubuntu 18.04 (Bionic)"
-
- [](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_bionic_current_4.19.107.7z)
- *MD5SUM : adf539231ed556cf01c7f8fdc1214220
- Build date : 03/03/2020
- Size : 207 MB
*
- [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_bionic_current_4.19.107.7z)
+ [](https://dl.armbian.com/helios4/archive/Armbian_20.05.4_Helios4_focal_current_5.4.46.img.xz)
+ *SHA256 : a9f1c5afd75b506fd10c622b61b5114bee1ceb3384a26170e3599cb42a0bbbab
+ Build date : 15/06/2020
+ Size : 288 MB
*
+ [Direct Download](https://dl.armbian.com/helios4/archive/Armbian_20.05.4_Helios4_focal_current_5.4.46.img.xz)
### Known Limitations
@@ -61,14 +53,7 @@ All images are generated by [Armbian](https://www.armbian.com/helios4/) build fr
### 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).
-
-Filename | Download | MD5
+Filename | Download | SHA256
---------|----------|----
-**Armbian_20.02.3_Helios4_buster_current_4.19.107.7z**
Armbian 20.02.3 Debian 10 Buster (Kernel 4.19.107)
Build date : 03/03/2019
Size : 272 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_buster_current_4.19.107.7z)|2e09c44a57075f4b9c6960db55eac54c
-**Armbian_20.02.3_Helios4_stretch_legacy_4.14.172.7z**
Armbian 20.02.3 Debian 9 Stretch (Kernel 4.14.172)
Build date : 03/03/2019
Size : 263 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_stretch_legacy_4.14.172.7z)|a66d7d3fbaf57630f15dfc50d767291f
-**Armbian_20.02.3_Helios4_bionic_current_4.19.107.7z**
Armbian 20.02.3 Ubuntu 18.04 Bionic (Kernel 4.19.107)
Build date : 03/03/2019
Size : 207 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_20.02.3_Helios4_bionic_current_4.19.107.7z)|adf539231ed556cf01c7f8fdc1214220
-**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_20.05.2_Helios4_buster_current_5.4.43.img.xz**
Armbian 20.05.2 Debian 10 Buster (Kernel 5.4.43)
Build date : 08/06/2020
Size : 340 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_20.05.2_Helios4_buster_current_5.4.43.img.xz)|9d4e2440b422c0733d82ad3eee3bfeb36aa34622a935b2892e2481c0f2b96e42
+**Armbian_20.05.4_Helios4_focal_current_5.4.46.img.xz**
Armbian 20.05.4 Ubuntu 20.04 Focal (Kernel 5.4.46)
Build date : 15/06/2020
Size : 288 MB|[Download](https://dl.armbian.com/helios4/archive/Armbian_20.05.4_Helios4_focal_current_5.4.46.img.xz)|a9f1c5afd75b506fd10c622b61b5114bee1ceb3384a26170e3599cb42a0bbbab
diff --git a/docs/helios4/install.md b/docs/helios4/install.md
index 1571750..9d11520 100644
--- a/docs/helios4/install.md
+++ b/docs/helios4/install.md
@@ -28,9 +28,6 @@ You will need first to download a image build to write on the microSD Card.
Go to [Dowload](/download) and chose one of the latest build.
-!!! note
- Images with .7z extension must be first uncompressed with 7-Zip on Windows, Keka on OS X and 7z on Linux (apt-get install p7zip-full).
-
## **Step 2** - Writing an image to a microSD Card
You will need to use an image writing tool to install on your microSD Card the image build you have downloaded.
@@ -50,15 +47,13 @@ Etcher is a graphical SD card writing tool that works on Mac OS, Linux and Windo
### Under Linux (via Terminal)
```bash
-7z e Armbian_5.90_Helios4_Debian_buster_next_4.19.59.7z
-
-sudo dd bs=4M if=Armbian_5.90_Helios4_Debian_buster_next_4.19.59.img of=/dev/sdX conv=fsync
+zcat Armbian_20.05.2_Helios4_buster_current_5.4.43.img.gz | pv | dd of=/dev/mmcblkX bs=1M
```
*Replace the filename by the image file name you downloaded.*
!!! note
- /dev/sdX is where the microSD is mapped in your Linux machine, change the 'X' to your corresponding mapped device. If you set /dev/sdX to a wrong device then you might risk erasing a hard drive or different device than the designated microSD.
+ /dev/mmcblkX is where the microSD is mapped in your Linux machine, change the 'X' to your corresponding mapped device. If you set /dev/mmcblkX to a wrong device then you might risk erasing a different device than the designated microSD.
## **Step 3** - Power-up Helios4