Initial release: Miracast Enabler KernelSU module v1.0.0
Enables Wi-Fi Display (Miracast) on Pixel phones where Google disabled it in software. Uses fabricated overlays, system properties, and sysconfig XML. Includes WebUI for KernelSU manager. Tested hardware: Pixel 10 Pro Fold (rango), Tensor G5, BCM4390.
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sssnake
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service.sh
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174
service.sh
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#!/system/bin/sh
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# Miracast Enabler - late service
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# Runs after boot is completed
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MODDIR=${0%/*}
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LOGFILE="$MODDIR/miracast.log"
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mlog() {
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echo "$(date '+%Y-%m-%d %H:%M:%S') $1" >> "$LOGFILE"
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log -t MiracastEnabler "$1"
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}
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# Truncate log on each boot
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echo "" > "$LOGFILE"
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mlog "Waiting for boot..."
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# Wait for boot to complete
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while [ "$(getprop sys.boot_completed)" != "1" ]; do
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sleep 1
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done
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sleep 3
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mlog "Boot complete, applying Miracast configuration"
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# --- Core WFD properties ---
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# Some vendors reset these during boot, so re-apply
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resetprop persist.debug.wfd.enable 1
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resetprop persist.sys.wfd.virtual 0
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resetprop persist.sys.wfd.nohdcp 1
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resetprop wlan.wfd.hdcp disable
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# Tensor / Pixel: force GPU composition for virtual display surfaces
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# PowerVR (G5) and Mali (G4 and earlier) HWC implementations don't
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# handle virtual display layers for Miracast, causing black/green frames
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resetprop debug.sf.enable_hwc_vds 0
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# Wi-Fi Direct concurrency — needed on Pixel to allow P2P alongside STA
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resetprop wifi.direct.interface p2p-dev-wlan0
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# --- Device detection ---
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DEVICE=$(getprop ro.product.device)
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SOC=$(getprop ro.soc.model)
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PLATFORM=$(getprop ro.board.platform)
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API=$(getprop ro.build.version.sdk)
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GPU=$(getprop ro.hardware.egl)
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mlog "Device=$DEVICE SoC=$SOC Platform=$PLATFORM API=$API GPU=$GPU"
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# --- Tensor SoC family tweaks ---
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case "$SOC" in
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Tensor*)
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# High GO intent so Pixel acts as Group Owner in P2P negotiation
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# This ensures the Pixel controls the channel and timing
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resetprop wifi.direct.go_intent 15
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mlog "Tensor SoC: set P2P GO intent=15"
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;;
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esac
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# --- Pixel 10 Pro Fold (rango) — Tensor G5, Broadcom BCM4390 ---
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# Confirmed: codename=rango, platform=laguna, gpu=powervr, wifi=bcmdhd4390
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# Display IDs: 0 (inner), 3 (outer)
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# Wi-Fi features include WFD_R2 — hardware fully supports Miracast
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case "$DEVICE" in
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rango)
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mlog "Pixel 10 Pro Fold (rango) detected"
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# Inner display (ID 0) as default Miracast source
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if [ -z "$(getprop persist.sys.wfd.display_id)" ]; then
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resetprop persist.sys.wfd.display_id 0
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fi
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# Default 1080p30 — the inner panel is 2076x2152 which is too wide
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# for most Miracast receivers; 1080p is the safe maximum
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if [ -z "$(getprop persist.sys.wfd.resolution)" ]; then
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resetprop persist.sys.wfd.resolution 7
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fi
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# Tensor G5 / laguna platform: PowerVR GPU composition
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resetprop debug.sf.enable_hwc_vds 0
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# BCM4390 Wi-Fi: P2P supplicant already supports VHT and DFS
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# channels (p2p_go_vht=1, p2p_dfs_chan_enable=1 in vendor config)
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# but 6GHz is disabled for P2P (p2p_6ghz_disable=1), which is fine
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# since most Miracast receivers don't support 6GHz
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# Force single-channel concurrency to prevent the BCM4390 from
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# splitting STA and P2P across bands which can cause latency spikes
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resetprop persist.vendor.wifi.wfd.scc 1
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mlog "rango: inner display=0, outer display=3, wifi=BCM4390, gpu=PowerVR"
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;;
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esac
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# --- Pixel 9 Pro Fold (comet/cometl) — Tensor G4 ---
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case "$DEVICE" in
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comet|cometl)
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mlog "Pixel 9 Pro Fold detected"
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if [ -z "$(getprop persist.sys.wfd.display_id)" ]; then
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resetprop persist.sys.wfd.display_id 0
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fi
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if [ -z "$(getprop persist.sys.wfd.resolution)" ]; then
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resetprop persist.sys.wfd.resolution 7
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fi
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;;
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esac
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# --- Original Pixel Fold (felix) — Tensor G2 ---
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case "$DEVICE" in
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felix)
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mlog "Pixel Fold (1st gen) detected"
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if [ -z "$(getprop persist.sys.wfd.display_id)" ]; then
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resetprop persist.sys.wfd.display_id 0
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fi
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if [ -z "$(getprop persist.sys.wfd.resolution)" ]; then
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resetprop persist.sys.wfd.resolution 7
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fi
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;;
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esac
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# --- Pixel 9 series (non-fold) — Tensor G4 ---
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case "$DEVICE" in
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caiman|komodo|tokay|blazer)
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mlog "Pixel 9 series detected ($DEVICE)"
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# No foldable display concerns, standard single display
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;;
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esac
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# --- Pixel 10 series (non-fold) ---
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# Platform "laguna" is Tensor G5; other Pixel 10 variants share it
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case "$PLATFORM" in
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laguna)
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if [ "$DEVICE" != "rango" ]; then
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mlog "Tensor G5 device ($DEVICE) on laguna platform"
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resetprop debug.sf.enable_hwc_vds 0
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resetprop persist.vendor.wifi.wfd.scc 1
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fi
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;;
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esac
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# --- Fabricated overlay (Android 12+, API 31+) ---
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# Primary method to flip config_enableWifiDisplay in the framework
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# No APK compilation needed — fabricated overlays are created at runtime
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# Requires root, which KernelSU provides
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if [ "$API" -ge 31 ]; then
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mlog "API $API >= 31, creating fabricated overlays"
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# TYPE_INT_BOOLEAN = 0x12, true = 0xFFFFFFFF
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cmd overlay fabricate --target android --name MiracastEnablerWifiDisplay \
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android:bool/config_enableWifiDisplay 0x12 0xFFFFFFFF 2>/dev/null
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RET1=$?
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cmd overlay fabricate --target android --name MiracastEnablerProtectedBuffers \
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android:bool/config_wifiDisplaySupportsProtectedBuffers 0x12 0xFFFFFFFF 2>/dev/null
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RET2=$?
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# Enable the fabricated overlays
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cmd overlay enable --user current com.android.shell:MiracastEnablerWifiDisplay 2>/dev/null
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cmd overlay enable --user current com.android.shell:MiracastEnablerProtectedBuffers 2>/dev/null
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# Verify and log
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WFD_STATE=$(cmd overlay list 2>/dev/null | grep MiracastEnabler)
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mlog "Fabricate WifiDisplay ret=$RET1, ProtectedBuffers ret=$RET2"
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mlog "Overlay state: $WFD_STATE"
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else
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mlog "API $API < 31, fabricated overlays not available"
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mlog "Relying on system properties and sysconfig XML only"
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fi
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# --- Fallback: enable pre-installed RRO APK if present ---
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if [ -f "$MODDIR/system/vendor/overlay/MiracastEnablerOverlay.apk" ]; then
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cmd overlay enable --user current com.miracast.enabler.overlay 2>/dev/null
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mlog "Enabled RRO APK overlay"
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fi
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mlog "Miracast enabler service complete"
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