diff --git a/rootdir/etc/init.msm.usb.configfs.rc b/rootdir/etc/init.msm.usb.configfs.rc
index 45f8f273..4b49ccd3 100644
--- a/rootdir/etc/init.msm.usb.configfs.rc
+++ b/rootdir/etc/init.msm.usb.configfs.rc
@@ -156,6 +156,29 @@ on property:sys.usb.config=diag,serial_cdev,rmnet && property:sys.usb.configfs=1
     write /config/usb_gadget/g1/UDC ${sys.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
+on property:sys.usb.config=diag,serial_cdev,serial_cdev_nmea,adb && property:sys.usb.configfs=1
+    start adbd
+
+on property:sys.usb.ffs.ready=1 && property:sys.usb.config=diag,serial_cdev,serial_cdev_nmea,adb && property:sys.usb.configfs=1
+    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "diag_dun_nmea_adb"
+    rm /config/usb_gadget/g1/configs/b.1/f1
+    rm /config/usb_gadget/g1/configs/b.1/f2
+    rm /config/usb_gadget/g1/configs/b.1/f3
+    rm /config/usb_gadget/g1/configs/b.1/f4
+    rm /config/usb_gadget/g1/configs/b.1/f5
+    rm /config/usb_gadget/g1/configs/b.1/f6
+    rm /config/usb_gadget/g1/configs/b.1/f7
+    rm /config/usb_gadget/g1/configs/b.1/f8
+    rm /config/usb_gadget/g1/configs/b.1/f9
+    write /config/usb_gadget/g1/idVendor 0x05C6
+    write /config/usb_gadget/g1/idProduct 0x9020
+    symlink /config/usb_gadget/g1/functions/diag.diag /config/usb_gadget/g1/configs/b.1/f1
+    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
+    symlink /config/usb_gadget/g1/functions/cser.dun.0 /config/usb_gadget/g1/configs/b.1/f3
+    symlink /config/usb_gadget/g1/functions/cser.nmea.1 /config/usb_gadget/g1/configs/b.1/f4
+    write /config/usb_gadget/g1/UDC ${sys.usb.controller}
+    setprop sys.usb.state ${sys.usb.config}
+
 on property:vendor.usb.tethering=true
     write /sys/class/net/rndis0/queues/rx-0/rps_cpus ${vendor.usb.rps_mask}