diff --git a/userspace/usr/comma/lte/lte.sh b/userspace/usr/comma/lte/lte.sh
index 61ab9e1..22c1c62 100755
--- a/userspace/usr/comma/lte/lte.sh
+++ b/userspace/usr/comma/lte/lte.sh
@@ -10,6 +10,14 @@ LTE_RST_N=50
 LTE_BOOT=52
 LTE_PWRKEY=116
 
+function is_modem_up {
+  if lsusb -d "0x05c6:" >/dev/null 2>&1 || lsusb -d "0x2c7c:" >/dev/null 2>&1; then
+    return 0
+  else
+    return 1
+  fi
+}
+
 function reset {
   echo " Resetting..."
   gpio $LTE_RST_N 1
@@ -28,7 +36,7 @@ function is_online {
   echo " Waiting until the modem comes online..."
 
   for i in {0..30}; do
-    if lsusb | grep -q "Quectel"; then
+    if is_modem_up; then
       echo "  Modem is online!"
       return 0
     fi
@@ -44,7 +52,7 @@ function is_offline {
   echo " Waiting until the modem goes offline..."
 
   for i in {0..30}; do
-    if ! lsusb | grep -q "Quectel"; then
+    if ! is_modem_up; then
       echo "  Modem is offline!"
       return 0
     fi