diff --git a/OTA.md b/OTA.md
index 1e1ad16..79d4c66 100644
--- a/OTA.md
+++ b/OTA.md
@@ -17,7 +17,8 @@ UI; it becomes available to OTA only after publication as a pre-release asset na
 `FatihsMG4-unstable-2.2.7.apk`, together with
 `FatihsMG4-unstable-2.2.7.apk.sha256`.
 
-The vehicle artifact uses `com.evsuite.abrp.unstable`, `android.uid.system`, and the
+The vehicle artifact uses `com.stinnesbeck.nilsmg4.unstable` (upstream: `com.evsuite.abrp.unstable`),
+`android.uid.system`, and the
 DriveHub_Kamera platform key. Its certificate SHA-256 must be
 `c8a2e9bccf597c2fb6dc66bee293fc13f2fc47ec77bc6b2b0d52c11f51192ab8`.
 The stable build used for a Samsung UI preview is a separate package without OTA or the
@@ -25,8 +26,12 @@ vehicle's shared UID; do not use that preview APK for the MG4 upgrade.
 
 ## What the updater actually looks for
 
-`OtaUpdater.check()` reads `https://api.github.com/repos/fatihdonmezdev/FatihsMG4/releases`
-and walks **every** entry, keeping the highest version rather than the first match. A
+> **Switched off in Nils' MG4.** `RELEASES_API` points at `updates.invalid`, so every check
+> fails. To re-enable it, point it at this repository's releases and add the host to
+> `ALLOWED_HOSTS` (see `SPECS.md`). The steps below are upstream's GitHub process.
+
+`OtaUpdater.check()` reads the `RELEASES_API` URL (upstream:
+`https://api.github.com/repos/fatihdonmezdev/FatihsMG4/releases`) and walks **every** entry, keeping the highest version rather than the first match. A
 release is a candidate only if all of these hold:
 
 | Requirement | Where it is enforced | What happens otherwise |
@@ -55,7 +60,7 @@ The version comes from the **asset filename**, not the git tag. The tag can stay
    versionName "2.2.7"
    ```
 
-   The unstable flavour appends its own suffix, so `2.2.7` becomes `2.2.7.0-unstable`.
+   The unstable flavour appends its own suffix, so `2.2.7` becomes `2.2.7-unstable`.
    Check what the installed build reports before picking a number: the app's About
    dialog shows it, and `isNewer` compares numerically segment by segment.
 
@@ -79,24 +84,24 @@ The version comes from the **asset filename**, not the git tag. The tag can stay
    "$BT/apksigner" sign \
      --key  "$KEYS/platform.pk8" \
      --cert "$KEYS/platform.x509.pem" \
-     --out  FatihsMG4-unstable-2.2.7.apk \
+     --out  NilsMG4-unstable-2.2.7.apk \
      aligned.apk
 
    rm aligned.apk
    ```
 
    The output filename **is** the version the updater reads. Name it
-   `FatihsMG4-unstable-<version>.apk`, then create its required integrity sidecar:
+   `NilsMG4-unstable-<version>.apk` (`build-car` does steps 2 to 4 and names it so), then create its required integrity sidecar:
 
    ```bash
-   shasum -a 256 FatihsMG4-unstable-2.2.7.apk \
-     > FatihsMG4-unstable-2.2.7.apk.sha256
+   shasum -a 256 NilsMG4-unstable-2.2.7.apk \
+     > NilsMG4-unstable-2.2.7.apk.sha256
    ```
 
 4. **Verify the signer** before uploading. It must say `CN=Android`:
 
    ```bash
-   "$BT/apksigner" verify --print-certs FatihsMG4-unstable-2.2.7.apk
+   "$BT/apksigner" verify --print-certs NilsMG4-unstable-2.2.7.apk
    ```
 
 5. **Publish.** On github.com/fatihdonmezdev/FatihsMG4 → Releases → Draft a new release:
diff --git a/SPECS.md b/SPECS.md
index ce32a63..5bb8cc2 100644
--- a/SPECS.md
+++ b/SPECS.md
@@ -82,8 +82,6 @@ tyre pressures, GPS (lat, lon, elevation, heading) and the is_* flags. It does *
 - [ ] **Telemetry queue survives restarts.** Unsent live samples are kept in memory only.
 - [ ] **Translate the rest.** The docs (`CHANGELOG.md`, `OTA.md`'s
       message table, comments in `mise.toml`/`app/build.gradle`) are still Turkish or French.
-- [ ] **Docs still use the old package ID.** `README.md`, `OTA.md`, `CHANGELOG.md`, `mise.toml` and
-      `docs/MG4_PLATFORM_INSTALL.md` refer to `com.evsuite.abrp(.unstable)` and `FatihsMG4-*.apk`.
 - [ ] **Move hardcoded UI strings into `strings.xml`.** Many are inline in Java and layouts.
 
 ## Done
@@ -114,6 +112,9 @@ tyre pressures, GPS (lat, lon, elevation, heading) and the is_* flags. It does *
   INGEST_TOKEN) into git and pushed it. Commit amended and force-pushed; both values regenerated in
   the now gitignored `k8s/secrets.yaml` (since moved to `k8s/secrets/secrets.yaml`, outside
   `kubectl apply -f k8s/`). Filled-in secrets live only there from now on.
+- 2026-10-18 — README rewritten for Nils' MG4. `OTA.md`, `mise.toml` and
+  `docs/MG4_PLATFORM_INSTALL.md` use the new package ID and `NilsMG4-*.apk` names; `OTA.md` notes
+  that updates are switched off. `CHANGELOG.md` keeps the old ID as upstream history.
 - 2026-10-18 — App 2.8.2: full screen uses the whole display. The MG4 hid its bars but left a black
   band where they were: LAYOUT_STABLE kept reporting the bars' insets and the fitsSystemWindows root
   padded for them. Both are off in full screen now.
diff --git a/docs/MG4_PLATFORM_INSTALL.md b/docs/MG4_PLATFORM_INSTALL.md
index 32f923d..816f234 100644
--- a/docs/MG4_PLATFORM_INSTALL.md
+++ b/docs/MG4_PLATFORM_INSTALL.md
@@ -57,15 +57,15 @@ later install says `No such file or directory`, re-push.
 ## Verifying the Install
 
 ```bash
-adb shell pm path com.evsuite.abrp.unstable
-# -> package:/data/app/com.evsuite.abrp.unstable-.../base.apk
+adb shell pm path com.stinnesbeck.nilsmg4.unstable
+# -> package:/data/app/com.stinnesbeck.nilsmg4.unstable-.../base.apk
 ```
 
 To confirm the platform signature matches the system:
 
 ```bash
 BUILD_TOOLS="$ANDROID_HOME/build-tools/36.0.0"
-adb pull "$(adb shell pm path com.evsuite.abrp.unstable | sed 's/package://')" /tmp/installed.apk
+adb pull "$(adb shell pm path com.stinnesbeck.nilsmg4.unstable | sed 's/package://')" /tmp/installed.apk
 "$BUILD_TOOLS/apksigner" verify --print-certs /tmp/installed.apk
 # SHA-256 cert digest should match tools/platform.x509.pem
 ```
@@ -73,7 +73,7 @@ adb pull "$(adb shell pm path com.evsuite.abrp.unstable | sed 's/package://')" /
 ## Uninstalling
 
 ```bash
-adb uninstall com.evsuite.abrp.unstable
+adb uninstall com.stinnesbeck.nilsmg4.unstable
 ```
 
 Add `-k` to keep data/cache around (useful when re-installing to test without
@@ -92,7 +92,7 @@ SDK="$HOME/Library/Android/sdk"
 BT="$SDK/build-tools/36.0.0"
 IN=app/build/outputs/apk/unstable/debug/app-unstable-debug.apk
 ALIGNED=app/build/outputs/apk/unstable/debug/app-unstable-debug-aligned.apk
-OUT=FatihsMG4-unstable-platform.apk
+OUT=NilsMG4-unstable-platform.apk
 "$BT/zipalign" -f 4 "$IN" "$ALIGNED"
 "$BT/apksigner" sign --key tools/platform.pk8 --cert tools/platform.x509.pem --out "$OUT" "$ALIGNED"
 "$BT/apksigner" verify --verbose "$OUT"
diff --git a/mise.toml b/mise.toml
index 932bafb..35eb1ab 100644
--- a/mise.toml
+++ b/mise.toml
@@ -216,6 +216,6 @@ fi
 APK=$(ls -t app/build/outputs/apk/stable/debug/*.apk | head -1)
 echo "Installation de $APK"
 $ADB install -r -g "$APK"
-$ADB shell am start -n "com.evsuite.abrp/com.evsuite.abrp.MainActivity"
+$ADB shell am start -n "com.stinnesbeck.nilsmg4/com.evsuite.abrp.MainActivity"
 echo "Lancé. Logs : mise run logs"
 '''