diff --git a/scripts/build_ipas.sh b/scripts/build_ipas.sh
index 4cd9d54..3205e0e 100755
--- a/scripts/build_ipas.sh
+++ b/scripts/build_ipas.sh
@@ -6,12 +6,14 @@ cd "$(dirname "$0")/.."
 PROJECT="$PWD/FuelBoard.xcodeproj"
 SCHEME="FuelBoard"
 DERIVED_DATA="/tmp/fuelboard-build-ipas"
-SERVE_DIR="/tmp/ipa-serve"
+SERVE_DIR="$PWD/Builds"
 FULL_IPA="$SERVE_DIR/FuelBoard-watch.ipa"
 SIDELOAD_IPA="$SERVE_DIR/FuelBoard-sideload.ipa"
 HOST="192.168.1.131"
 PORT="8765"
 
+export SERVE_DIR
+
 APP_PATH="$DERIVED_DATA/Build/Products/Release-iphoneos/FuelBoard.app"
 STAGE_FULL="/tmp/fuelboard-ipa-stage-full"
 STAGE_SIDELOAD="/tmp/fuelboard-ipa-stage-sideload"
@@ -46,7 +48,9 @@ import os, shutil, zipfile
 app = '/tmp/fuelboard-build-ipas/Build/Products/Release-iphoneos/FuelBoard.app'
 stage = '/tmp/fuelboard-ipa-stage-full'
 payload = os.path.join(stage, 'Payload')
-out = '/tmp/ipa-serve/FuelBoard-watch.ipa'
+serve = os.environ['SERVE_DIR']
+out = os.path.join(serve, 'FuelBoard-watch.ipa')
+os.makedirs(serve, exist_ok=True)
 if os.path.exists(stage):
     shutil.rmtree(stage)
 os.makedirs(payload, exist_ok=True)
@@ -73,7 +77,8 @@ import os, shutil, zipfile
 app = '/tmp/fuelboard-build-ipas/Build/Products/Release-iphoneos/FuelBoard.app'
 stage = '/tmp/fuelboard-ipa-stage-sideload'
 payload = os.path.join(stage, 'Payload')
-out = '/tmp/ipa-serve/FuelBoard-sideload.ipa'
+serve = os.environ['SERVE_DIR']
+out = os.path.join(serve, 'FuelBoard-sideload.ipa')
 if os.path.exists(stage):
     shutil.rmtree(stage)
 os.makedirs(payload, exist_ok=True)
@@ -117,6 +122,7 @@ for name, path in paths.items():
 PY
 
 echo "==> URLs"
+echo "Serving:  ipa-serve          # in $(basename "$PWD"), or: ipa-serve fuelboard"
 echo "Watch-capable IPA: http://$HOST:$PORT/FuelBoard-watch.ipa"
 echo "Sideload-safe IPA: http://$HOST:$PORT/FuelBoard-sideload.ipa"
 echo "Xcode log: /tmp/fuelboard-build-ipas-xcodebuild.log"
diff --git a/scripts/install.sh b/scripts/install.sh
new file mode 100755
index 0000000..1c32d4e
--- /dev/null
+++ b/scripts/install.sh
@@ -0,0 +1,73 @@
+#!/bin/bash
+# install.sh — build FuelBoard dev-signed and install straight to a paired iPhone.
+#
+# Streamlined flow (single command):
+#   ./scripts/install.sh                 # build + install + launch on the first paired iPhone
+#   ./scripts/install.sh --device UDID   # target a specific device (xcrun devicectl list devices)
+#   ./scripts/install.sh --no-launch     # install but don't auto-launch
+#
+# Why this exists: sideloading (SideStore/AltStore) got replaced on 2026-09-25 by a
+# proper dev-signed install via devicectl — the phone is paired, so no LAN server,
+# no delete/reinstall dance, and the installed app is a real signed build. The
+# Release config targets the device (not the simulator) and reuses Xcode automatic
+# signing with the project's DEVELOPMENT_TEAM.
+#
+# Requires: a paired + unlocked iPhone (xcrun devicectl list devices), and the
+# Apple Development identity in the keychain.
+
+set -euo pipefail
+cd "$(dirname "$0")/.."
+
+PROJECT="$PWD/FuelBoard.xcodeproj"
+SCHEME="FuelBoard"
+DERIVED_DATA="/tmp/fuelboard-devinstall"
+APP="$DERIVED_DATA/Build/Products/Release-iphoneos/FuelBoard.app"
+DEVICE=""
+DEVICE_NAME="(first paired iPhone)"
+LAUNCH=1
+
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --device) DEVICE="$2"; shift 2 ;;
+        --no-launch) LAUNCH=0; shift ;;
+        *) echo "unknown arg: $1" >&2; exit 1 ;;
+    esac
+done
+
+# Resolve the device if not given: the first connected physical iPhone.
+# devicectl --device wants the CoreDevice Identifier (field 3 of `list devices`,
+# e.g. C519BE18-...). NOTE: xcodebuild -destination wants the hardware UDID
+# (00008130-...), so we build with the generic platform destination and only use
+# the CoreDevice Identifier for devicectl install/launch.
+if [[ -z "$DEVICE" ]]; then
+    DEVICE="$(xcrun devicectl list devices 2>/dev/null | awk '/(available \(paired\))/ && /iPhone/ {print $3; exit}')"
+    if [[ -z "$DEVICE" ]]; then
+        echo "install.sh: no paired iPhone found. Check: xcrun devicectl list devices" >&2
+        exit 1
+    fi
+fi
+
+echo "==> Build (Release, dev-signed, generic iOS destination)"
+rm -rf "$DERIVED_DATA"
+xcodebuild -project "$PROJECT" -scheme "$SCHEME" -configuration Release \
+  -destination 'generic/platform=iOS' \
+  -derivedDataPath "$DERIVED_DATA" \
+  CODE_SIGN_STYLE=Automatic \
+  build 2>&1 | grep -E "error:|BUILD (SUCCEEDED|FAILED)|Signing Identity" | tail -8
+
+echo "==> Verify bundle"
+test -d "$APP" || { echo "build failed: no app at $APP" >&2; exit 1; }
+echo "  bundle: $(plutil -extract CFBundleIdentifier raw "$APP/Info.plist")" \
+      "  $(plutil -extract CFBundleShortVersionString raw "$APP/Info.plist")" \
+      "($(plutil -extract CFBundleVersion raw "$APP/Info.plist"))"
+
+echo "==> Install via devicectl"
+xcrun devicectl device install app --device "$DEVICE" "$APP" 2>&1 | tail -6
+
+if [[ "$LAUNCH" -eq 1 ]]; then
+    BID="$(plutil -extract CFBundleIdentifier raw "$APP/Info.plist")"
+    echo "==> Launch"
+    xcrun devicectl device process launch --device "$DEVICE" "$BID" 2>&1 | tail -4
+fi
+
+echo "==> Done ✅  (delete the old icon on the phone if you want it refreshed)"
\ No newline at end of file