diff --git a/_samsung/samsunggalaxya51.markdown b/_samsung/samsunggalaxya51.markdown
old mode 100755
new mode 100644
index 765030e..cfb3369
--- a/_samsung/samsunggalaxya51.markdown
+++ b/_samsung/samsunggalaxya51.markdown
@@ -4,11 +4,10 @@
 codename: a51
 downloadfolder: a51
 supportstatus: Current
-maintainer: roynatech2544
+maintainer: Galaxieo
 devicetree: "https://github.com/TeamWin/android_device_samsung_a51"
 oem: Samsung
 ddof: "/dev/block/platform/13520000.ufs/by-name/recovery"
-xdathread: "https://forum.xda-developers.com/t/recovery-unofficial-twrp-3-7-0-for-galaxy-a51-4g.4558645/"
 ---
 
 {% include disclaimer.html %}
diff --git a/_samsung/samsunggalaxym21.markdown b/_samsung/samsunggalaxym21.markdown
new file mode 100644
index 0000000..8219a98
--- /dev/null
+++ b/_samsung/samsunggalaxym21.markdown
@@ -0,0 +1,27 @@
+---
+layout: device
+title: "Samsung Galaxy M21"
+codename: m21
+downloadfolder: m21
+supportstatus: Current
+maintainer: Galaxieo
+devicetree: "https://github.com/TeamWin/android_device_samsung_m21"
+oem: Samsung
+ddof: "/dev/block/platform/13520000.ufs/by-name/recovery"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include samsungsystemasroot.html %}
+
+{% include download.html %}
+
+{% include appinstall.html %}
+
+{% include twrpinstall.html %}
+
+{% include odininstall.html %}
+
+{% include ddinstall.html %}
diff --git a/_samsung/samsunggalaxym31.markdown b/_samsung/samsunggalaxym31.markdown
new file mode 100644
index 0000000..14573b9
--- /dev/null
+++ b/_samsung/samsunggalaxym31.markdown
@@ -0,0 +1,27 @@
+---
+layout: device
+title: "Samsung Galaxy M31"
+codename: m31
+downloadfolder: m31
+supportstatus: Current
+maintainer: Galaxieo
+devicetree: "https://github.com/TeamWin/android_device_samsung_m31"
+oem: Samsung
+ddof: "/dev/block/platform/13520000.ufs/by-name/recovery"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include samsungsystemasroot.html %}
+
+{% include download.html %}
+
+{% include appinstall.html %}
+
+{% include twrpinstall.html %}
+
+{% include odininstall.html %}
+
+{% include ddinstall.html %}
diff --git a/_samsung/samsunggalaxym31s.markdown b/_samsung/samsunggalaxym31s.markdown
new file mode 100644
index 0000000..e97570a
--- /dev/null
+++ b/_samsung/samsunggalaxym31s.markdown
@@ -0,0 +1,27 @@
+---
+layout: device
+title: "Samsung Galaxy M31s"
+codename: m31s
+downloadfolder: m31s
+supportstatus: Current
+maintainer: Galaxieo
+devicetree: "https://github.com/TeamWin/android_device_samsung_m31s"
+oem: Samsung
+ddof: "/dev/block/platform/13520000.ufs/by-name/recovery"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include samsungsystemasroot.html %}
+
+{% include download.html %}
+
+{% include appinstall.html %}
+
+{% include twrpinstall.html %}
+
+{% include odininstall.html %}
+
+{% include ddinstall.html %}