diff --git a/docs/flasher/index.html b/docs/flasher/index.html
index 67e4c3ad..3ac0a0e0 100644
--- a/docs/flasher/index.html
+++ b/docs/flasher/index.html
@@ -247,6 +247,9 @@
         .map-status.success { color: var(--success); }
         .map-status.error { color: var(--error); }
         .map-note { color: var(--muted); font-size: 0.875rem; line-height: 1.5; }
+        .map-install-steps { margin: 0.8rem 0 1rem; padding-left: 1.5rem; color: var(--muted); }
+        .map-install-steps li { margin: 0.5rem 0; line-height: 1.5; }
+        .map-install-steps a { color: var(--primary); }
 
         footer {
             text-align: center;
@@ -312,10 +315,18 @@
 
         <div class="card map-section">
             <h2>Install Offline Maps</h2>
-            <p class="map-note">
-                Select a Coalition/MUI XYZ ZIP already downloaded to this computer, then choose the mounted SD-card root.
-                Turn the T-Deck off and remove its SD card before installation. Existing unrelated SD-card files are preserved.
-            </p>
+            <ol class="map-install-steps">
+                <li>
+                    Download a compatible MUI map ZIP from
+                    <a href="https://download.tiles.coalition.space/" target="_blank" rel="noopener noreferrer">Oxed's Map Tile Downloader</a>.
+                    Choose OSM Bright for current Pyxis compatibility.
+                </li>
+                <li>Turn the T-Deck off, remove its microSD card, and insert the card into your computer.</li>
+                <li>Choose the downloaded ZIP below, enter a map name and pack ID, and wait for local validation.</li>
+                <li>Click <strong>Install and Enable</strong>, then choose the mounted SD-card root.</li>
+                <li>Safely eject the SD card, return it to the T-Deck, power it on, and open Maps.</li>
+            </ol>
+            <p class="map-note">Existing unrelated SD-card files are preserved. Map tiles are validated locally and are never uploaded.</p>
             <div class="map-installer-grid">
                 <div class="map-field">
                     <label for="map-archive">Map tile ZIP</label>
diff --git a/docs/offline-map-packs.md b/docs/offline-map-packs.md
index 5e144d3d..faccfc29 100644
--- a/docs/offline-map-packs.md
+++ b/docs/offline-map-packs.md
@@ -6,7 +6,7 @@ Pyxis can read prebuilt raster map packs from an SD card. Importers accept only
 
 Open the Pyxis web flasher in current Chrome or Edge and use **Install Offline Maps**:
 
-1. Download a Coalition/MUI XYZ ZIP separately.
+1. Download an OSM Bright MUI ZIP from [Oxed's Map Tile Downloader](https://download.tiles.coalition.space/).
 2. Turn the T-Deck off, remove its SD card, and mount the card on the computer.
 3. Choose the ZIP, enter a map name and pack ID, and wait for local validation.
 4. Click **Install and Enable**, then choose the SD-card root.
diff --git a/tests/build_scripts/test_map_web_installer_contract.py b/tests/build_scripts/test_map_web_installer_contract.py
index adac9bb4..4f014ff5 100644
--- a/tests/build_scripts/test_map_web_installer_contract.py
+++ b/tests/build_scripts/test_map_web_installer_contract.py
@@ -27,6 +27,24 @@ def test_map_installer_ui_is_local_file_to_sd_and_offline_only() -> None:
     assert "Map data (c) OpenStreetMap contributors" in source
 
 
+def test_map_installer_explains_the_complete_sd_card_workflow() -> None:
+    source = FLASHER.read_text(encoding="utf-8")
+    assert '<ol class="map-install-steps">' in source
+    assert (
+        'href="https://download.tiles.coalition.space/" '
+        'target="_blank" rel="noopener noreferrer"'
+    ) in source
+    expected_steps = (
+        "Download a compatible MUI map ZIP",
+        "Turn the T-Deck off",
+        "Choose the downloaded ZIP",
+        "Click <strong>Install and Enable</strong>",
+        "Safely eject the SD card",
+    )
+    positions = [source.index(step) for step in expected_steps]
+    assert positions == sorted(positions)
+
+
 def test_map_installer_has_no_tile_network_fetch_path() -> None:
     source = INSTALLER.read_text(encoding="utf-8").lower()
     for forbidden in ("fetch(", "xmlhttprequest", "websocket", "http://", "https://"):