diff --git a/.gitea/workflows/flash-aminpa-V1.5.yml b/.gitea/workflows/flash-aminpa-V1.5.yml
new file mode 100644
index 0000000..eb8a758
--- /dev/null
+++ b/.gitea/workflows/flash-aminpa-V1.5.yml
@@ -0,0 +1,65 @@
+name: flash-aminpa-V1.5
+# Production flash for Amin Pardaz Asia device v1.5
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: aminpa-serial-flash
+  cancel-in-progress: false
+
+jobs:
+  flash-aminpa:
+    name: Production flash - Amin Pardaz Asia v1.5
+    runs-on: serial-runner
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Validate all firmware files before erasing flash
+        run: |
+          /usr/bin/python3 - <<'PY'
+          from pathlib import Path
+
+          required = {
+              "u-boot-sunxi-with-spl.bin": 32,
+              "sun8i-v3s-licheepi-zero-dock.dtb": 32,
+              "zImage": 64,
+              "rootfs.squashfs": 64,
+          }
+          for filename, minimum in required.items():
+              path = Path("firmware") / filename
+              if not path.is_file() or path.stat().st_size < minimum:
+                  raise SystemExit(f"Missing or invalid firmware: {path}")
+              print(f"Found {path}: {path.stat().st_size} bytes")
+          PY
+
+      - name: Check current U-Boot CLI
+        run: /usr/bin/python3 scripts/serial_command.py check
+
+      - name: Configure and verify network
+        run: /usr/bin/python3 scripts/serial_command.py configure
+
+      - name: Check all firmware sizes against detected flash layout
+        run: /usr/bin/python3 scripts/serial_command.py preflight
+
+      - name: Erase detected SPI flash and verify sample
+        run: /usr/bin/python3 scripts/serial_command.py erase
+
+      - name: Transfer, write and verify U-Boot
+        run: /usr/bin/python3 scripts/serial_command.py transfer
+
+      - name: Transfer, write and verify DTB
+        run: /usr/bin/python3 scripts/serial_command.py transfer-dtb
+
+      - name: Transfer, write and verify Kernel
+        run: /usr/bin/python3 scripts/serial_command.py transfer-kernel
+
+      - name: Transfer, write and verify RootFS
+        run: /usr/bin/python3 scripts/serial_command.py transfer-rootfs
+
+      - name: Inspect boot configuration
+        run: /usr/bin/python3 scripts/serial_command.py boot-config
diff --git a/scripts/serial_command.py b/scripts/serial_command.py
index c948af8..22f5cd6 100644
--- a/scripts/serial_command.py
+++ b/scripts/serial_command.py
@@ -199,7 +199,7 @@ def boot_config(cli, confirmed=False):
 
 def main():
     parser = argparse.ArgumentParser()
-    parser.add_argument("mode", choices=("check", "configure", "transfer", "transfer-dtb", "transfer-kernel", "transfer-rootfs", "erase", "boot-config"), default="check", nargs="?")
+    parser.add_argument("mode", choices=("check", "configure", "transfer", "transfer-dtb", "transfer-kernel", "transfer-rootfs", "erase", "boot-config", "preflight"), default="check", nargs="?")
     parser.add_argument("--port", default="/dev/ttyUSB0")
     parser.add_argument("--firmware", type=Path, default=None)
     parser.add_argument("--rootfs-size", type=lambda value: int(value, 0), help="Actual RootFS partition size in bytes (decimal or 0x-prefixed hex)")
@@ -218,6 +218,18 @@ def main():
             cli.detect()
             if args.mode == "check":
                 return
+            if args.mode == "preflight":
+                capacity = detect_flash(cli)
+                files = {"uboot": "u-boot-sunxi-with-spl.bin", "dtb": "sun8i-v3s-licheepi-zero-dock.dtb",
+                         "kernel": "zImage", "rootfs": "rootfs.squashfs"}
+                for part, filename in files.items():
+                    path = Path(__file__).resolve().parent.parent / "firmware" / filename
+                    minimum = 64 if part in ("kernel", "rootfs") else 32
+                    limit = LAYOUTS[capacity][part][1]
+                    if not path.is_file() or not minimum <= path.stat().st_size <= limit:
+                        raise RuntimeError(f"Firmware missing or outside selected partition size: {path} (maximum {limit:#x})")
+                print("All firmware sizes fit the detected flash layout.")
+                return
             if args.mode == "erase":
                 erase_flash(cli)
                 return