diff --git a/docs/img/2_1_device_details.jpg b/docs/img/2_1_device_details.jpg
index 8303b4c81..90ad21339 100644
Binary files a/docs/img/2_1_device_details.jpg and b/docs/img/2_1_device_details.jpg differ
diff --git a/docs/img/2_2_device_sessions.jpg b/docs/img/2_2_device_sessions.jpg
index b1c3b69e7..063c63c11 100644
Binary files a/docs/img/2_2_device_sessions.jpg and b/docs/img/2_2_device_sessions.jpg differ
diff --git a/docs/img/3_presence.jpg b/docs/img/3_presence.jpg
index 09a4a6cbb..7589dcca4 100644
Binary files a/docs/img/3_presence.jpg and b/docs/img/3_presence.jpg differ
diff --git a/docs/img/5_maintain.jpg b/docs/img/5_maintain.jpg
index 92129ffc5..69c2f5698 100644
Binary files a/docs/img/5_maintain.jpg and b/docs/img/5_maintain.jpg differ