diff --git a/flash/FP3/flash_FP3_factory.sh b/flash/FP3/flash_FP3_factory.sh
index 71c9b995137f9a9ab21237ae5a9840a83daac31f..566cedcd39c1350b035d74861d8eae70197ecedc 100755
--- a/flash/FP3/flash_FP3_factory.sh
+++ b/flash/FP3/flash_FP3_factory.sh
@@ -7,7 +7,7 @@
 ##########
 
 ##########
-# This script flashes a software release and complete wipes the device.
+# This script flashes a software release and completly wipes the device.
 #
 # The script wipes both user data and the Google factory reset protection
 # information. It will unlock the phone, delete the data, and re-lock it.
@@ -86,6 +86,36 @@ find_device() {
   done
 }
 
+# Check if the device is properly unlocked
+check_unlock_status() {
+  PHONE_IS_READY=true
+  if (fastboot getvar is-userspace 2>&1 | grep -q yes); then
+    echo "Info: Your phone is in fastbootD mode."
+    if (fastboot getvar unlocked 2>&1 | grep -q no); then
+      echo "Error: Your phone is still locked."
+      echo "Did you execute 'fastboot flashing unlock'?"
+      PHONE_IS_READY=false
+    fi
+  else
+    echo "Info: Your phone is in regular bootloader mode."
+    if (fastboot getvar unlocked 2>&1 | grep -q no); then
+      echo "Error: Your phone is still locked."
+      echo "Did you execute 'fastboot flashing unlock'?"
+      PHONE_IS_READY=false
+    fi
+    if (fastboot oem device-info 2>&1 | grep -q "critical unlocked: false"); then
+      echo "Error: Critical partitions are still locked."
+      echo "Did you execute 'fastboot flashing unlock_critical'?"
+      PHONE_IS_READY=false
+    fi
+  fi
+
+  if [ "$PHONE_IS_READY" = "false" ]; then
+    echo "Error: Your phone is not ready for flashing yet (see above), aborting..."
+    exit 1
+  fi
+}
+
 # Flash (or manipulate) relevant partitions
 flash_device() {
 
@@ -217,5 +247,8 @@ find_device
 # Call function to look for data wipe check
 data_wipe_check
 
+# Check if the device is properly unlocked
+check_unlock_status
+
 # Flash the device
 flash_device