diff --git a/config/plymouth/voxip-kiosk/logo.png b/config/plymouth/voxip-kiosk/logo.png
new file mode 100644
index 0000000..e1d332c
Binary files /dev/null and b/config/plymouth/voxip-kiosk/logo.png differ
diff --git a/config/plymouth/voxip-kiosk/voxip-kiosk.plymouth b/config/plymouth/voxip-kiosk/voxip-kiosk.plymouth
new file mode 100644
index 0000000..0bd662d
--- /dev/null
+++ b/config/plymouth/voxip-kiosk/voxip-kiosk.plymouth
@@ -0,0 +1,8 @@
+[Plymouth Theme]
+Name=voxip-kiosk
+Description=VoxIP Kiosk boot splash (logo on white)
+ModuleName=script
+
+[script]
+ImageDir=/usr/share/plymouth/themes/voxip-kiosk
+ScriptFile=/usr/share/plymouth/themes/voxip-kiosk/voxip-kiosk.script
diff --git a/config/plymouth/voxip-kiosk/voxip-kiosk.script b/config/plymouth/voxip-kiosk/voxip-kiosk.script
new file mode 100644
index 0000000..751dc3a
--- /dev/null
+++ b/config/plymouth/voxip-kiosk/voxip-kiosk.script
@@ -0,0 +1,12 @@
+# VoxIP Kiosk boot splash: logo.png centred on white, at most half the screen.
+# Replace logo.png (any size, PNG with transparency) for a different logo.
+Window.SetBackgroundTopColor(1, 1, 1);
+Window.SetBackgroundBottomColor(1, 1, 1);
+
+logo = Image("logo.png");
+scale = Math.Min(Window.GetWidth() * 0.5 / logo.GetWidth(), Window.GetHeight() * 0.5 / logo.GetHeight());
+if (scale > 1) scale = 1;
+logo = logo.Scale(logo.GetWidth() * scale, logo.GetHeight() * scale);
+
+sprite = Sprite(logo);
+sprite.SetPosition((Window.GetWidth() - logo.GetWidth()) / 2, (Window.GetHeight() - logo.GetHeight()) / 2, 0);
diff --git a/install.sh b/install.sh
index 9531376..050b1b1 100755
--- a/install.sh
+++ b/install.sh
@@ -95,7 +95,7 @@ pkg_available() { apt-cache policy "$1" 2>/dev/null | grep -q 'Candidate: [0-9]'
     "$CHROMIUM" xserver-xorg-core xserver-xorg-input-libinput xserver-xorg-legacy x11-xserver-utils xauth
     fonts-dejavu-core fonts-noto-color-emoji
     python3 python3-flask python3-argon2 python3-websocket gunicorn
-    network-manager avahi-daemon iw rfkill iproute2 openssl logrotate sudo kbd
+    network-manager avahi-daemon iw rfkill iproute2 openssl logrotate sudo kbd plymouth
   )
   for opt in systemd-zram-generator libraspberrypi-bin raspi-utils-core; do
     if pkg_available "$opt"; then PKGS+=("$opt"); fi
@@ -235,14 +235,45 @@ if [[ -f /usr/share/systemd/tmp.mount && ! -e /etc/systemd/system/tmp.mount ]] &
   systemctl enable tmp.mount 2>/dev/null || true
 fi
 
-# No console blanking (the kiosk runs on vt7, but keep the console awake too).
+# Kernel command line: no console blanking (the kiosk runs on vt7, but keep the console
+# awake too), and a quiet boot behind the splash: no boot text, Raspberry logos or cursor.
+add_cmdline() {  # add "key" or "key=value" unless the key is already present
+  local key="${2%%=*}"
+  grep -qE "(^| )${key//./\\.}(=[^ ]*)?( |\$)" "$1" || sed -i "1 s/\$/ $2/" "$1"
+}
 for cmdline in /boot/firmware/cmdline.txt /boot/cmdline.txt; do
   if [[ -f $cmdline ]]; then
-    grep -q 'consoleblank=' "$cmdline" || sed -i '1 s/$/ consoleblank=0/' "$cmdline"
+    for opt in consoleblank=0 quiet splash plymouth.ignore-serial-consoles logo.nologo vt.global_cursor_default=0; do
+      add_cmdline "$cmdline" "$opt"
+    done
+    config_txt="$(dirname "$cmdline")/config.txt"
+    # No rainbow square from the firmware. [all] in case the file ends in a model section.
+    if [[ -f $config_txt ]] && ! grep -q '^disable_splash=' "$config_txt"; then
+      printf '\n[all]\ndisable_splash=1\n' >> "$config_txt"
+    fi
     break
   fi
 done
 
+# Boot splash: logo on white (config/plymouth). Rebuilding the initramfs takes a while
+# on a Pi 3, so only when the theme changed.
+SPLASH_DIR=/usr/share/plymouth/themes/voxip-kiosk
+install -d -m 0755 "$SPLASH_DIR"
+install -m 0644 "$SRC"/config/plymouth/voxip-kiosk/* "$SPLASH_DIR/"
+if [[ ! -f /var/lib/voxip-kiosk/previous-plymouth-theme ]]; then
+  plymouth-set-default-theme > /var/lib/voxip-kiosk/previous-plymouth-theme 2>/dev/null || true
+fi
+SPLASH_SUM="$(cat "$SPLASH_DIR"/* | sha256sum | cut -d' ' -f1)"
+if [[ "$(plymouth-set-default-theme 2>/dev/null)" != voxip-kiosk || "$(cat /var/lib/voxip-kiosk/splash.sha256 2>/dev/null)" != "$SPLASH_SUM" ]]; then
+  say "Opstartscherm instellen (initramfs bijwerken, dit duurt even)"
+  plymouth-set-default-theme voxip-kiosk
+  if update-initramfs -u -k all >/dev/null 2>&1; then
+    echo "$SPLASH_SUM" > /var/lib/voxip-kiosk/splash.sha256
+  else
+    warn "initramfs bijwerken mislukt; het opstartscherm verschijnt mogelijk pas later tijdens het opstarten."
+  fi
+fi
+
 # A desktop display manager would fight over vt7 and display :0 (Pi OS Desktop images).
 # uninstall.sh re-enables the ones recorded here.
 for dm in lightdm.service gdm3.service sddm.service; do
diff --git a/uninstall.sh b/uninstall.sh
index 5c48497..80fbf70 100755
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -20,6 +20,7 @@ UNITS=(voxip-kiosk-healthcheck.timer voxip-kiosk-healthcheck.service voxip-kiosk
        voxip-network-guard.service voxip-boot-import.service)
 
 PREVIOUS_TARGET="$(cat /var/lib/voxip-kiosk/previous-default-target 2>/dev/null || true)"
+PREVIOUS_SPLASH="$(cat /var/lib/voxip-kiosk/previous-plymouth-theme 2>/dev/null || true)"
 mapfile -t DISABLED_DMS < <(cat /var/lib/voxip-kiosk/disabled-display-managers 2>/dev/null)
 
 echo "==> Services stoppen en verwijderen"
@@ -44,6 +45,11 @@ if [[ -f /etc/X11/Xwrapper.config.voxip-orig ]]; then
 else
   rm -f /etc/X11/Xwrapper.config
 fi
+if [[ -d /usr/share/plymouth/themes/voxip-kiosk ]]; then
+  echo "==> Opstartscherm terugzetten (${PREVIOUS_SPLASH:-text})"
+  rm -rf /usr/share/plymouth/themes/voxip-kiosk
+  plymouth-set-default-theme -R "${PREVIOUS_SPLASH:-text}" >/dev/null 2>&1 || true
+fi
 if [[ -f /etc/systemd/system/display-kiosk.service.voxip-disabled ]]; then
   echo "    (de eerdere InfoFlow-kioskservice staat nog als display-kiosk.service.voxip-disabled)"
 fi