diff --git a/pm3 b/pm3
index b3bee7ea5..2b2258b50 100755
--- a/pm3
+++ b/pm3
@@ -29,7 +29,7 @@ function get_pm3_list_Linux {
     N=$1
     PM3LIST=()
     for DEV in $(find /dev/ttyACM* 2>/dev/null); do
-        if udevadm info -q property -n "$DEV" |grep -q "ID_VENDOR=proxmark.org"; then
+        if udevadm info -q property -n "$DEV" | grep -q "ID_VENDOR=proxmark.org"; then
             PM3LIST+=("$DEV")
             if [ ${#PM3LIST[*]} -ge $N ]; then
                 return
@@ -39,7 +39,7 @@ function get_pm3_list_Linux {
     if $FINDBTDONGLE; then
         # check if the HC-06-USB white dongle is present (still, that doesn't tell us if it's paired with a Proxmark3...)
         for DEV in $(find /dev/ttyUSB* 2>/dev/null); do
-            if udevadm info -q property -n "$DEV" |grep -q "ID_MODEL=CP2104_USB_to_UART_Bridge_Controller"; then
+            if udevadm info -q property -n "$DEV" | grep -q "ID_MODEL=CP2104_USB_to_UART_Bridge_Controller"; then
                 PM3LIST+=("$DEV")
                 if [ ${#PM3LIST[*]} -ge $N ]; then
                     return
@@ -49,7 +49,7 @@ function get_pm3_list_Linux {
     fi
     if $FINDBTDIRECT; then
         # check if the MAC of a Proxmark3 was bound to a local rfcomm interface
-        for DEVMAC in $(rfcomm -a|grep " 20:19:0[45]"|sed 's/^\(.*\): \([0-9:]*\) .*/\1@\2/'); do
+        for DEVMAC in $(rfcomm -a 2>/dev/null | grep " 20:19:0[45]" | sed 's/^\(.*\): \([0-9:]*\) .*/\1@\2/'); do
             DEV=${DEVMAC/@*/}
             MAC=${DEVMAC/*@/}
             # check if Proxmark3 is actually present
@@ -66,7 +66,7 @@ function get_pm3_list_Linux {
 function get_pm3_list_macOS {
     N=$1
     PM3LIST=()
-    for DEV in $(ioreg -r -c "IOUSBHostDevice" -l|awk -F '"' '
+    for DEV in $(ioreg -r -c "IOUSBHostDevice" -l | awk -F '"' '
         $2=="USB Vendor Name"{b=($4=="proxmark.org")}
         b==1 && $2=="IODialinDevice"{print $4}'); do
         PM3LIST+=("$DEV")
@@ -79,18 +79,10 @@ function get_pm3_list_macOS {
 function get_pm3_list_Windows {
     N=$1
     PM3LIST=()
-    # Normal SERIAL PORTS (COM)
-    for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_9AC4&PID_4B8F*' | Select DeviceID" 2>/dev/null|awk '/^COM/{print $1}'); do
-        DEV=${DEV/ */}
-        PM3LIST+=("$DEV")
-        if [ ${#PM3LIST[*]} -ge $N ]; then
-            return
-        fi
-    done
- 
-    #white BT dongle SERIAL PORTS (COM)
-    if $FINDBTDONGLE; then
-        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_10C4&PID_EA60*' | Select DeviceID" 2>/dev/null|awk '/^COM/{print $1}'); do
+    # Need to look for this first,  the call to Win32_serialport "crashes" then native bt serial port.  Don't ask why.
+    #BT direct SERIAL PORTS (COM)
+    if $FINDBTDIRECT; then
+        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_PnPEntity | Where-Object Caption -like 'Standard Serial over Bluetooth link (COM*' | Select Name" 2> /dev/null | awk '$0 ~ /COM/{print substr($6,2,4)}'); do
             DEV=${DEV/ */}
             PM3LIST+=("$DEV")
             if [ ${#PM3LIST[*]} -ge $N ]; then
@@ -99,43 +91,38 @@ function get_pm3_list_Windows {
         done
     fi
 
-    #BT direct SERIAL PORTS (COM)    
-    if $FINDBTDIRECT; then
-        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_PnPEntity | Where-Object Caption -like 'Standard Serial over Bluetooth link (COM*' | Select Name" 2> /dev/null | awk '$0 ~ /COM/{print substr($6,2,4)}'); do
+    # Normal SERIAL PORTS (COM)
+    for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_9AC4&PID_4B8F*' | Select DeviceID" 2>/dev/null | awk '/^COM/{print $1}'); do
+        DEV=${DEV/ */}
+        PM3LIST+=("$DEV")
+        if [ ${#PM3LIST[*]} -ge $N ]; then
+            return
+        fi
+    done
+
+    #white BT dongle SERIAL PORTS (COM)
+    if $FINDBTDONGLE; then
+        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_10C4&PID_EA60*' | Select DeviceID" 2>/dev/null | awk '/^COM/{print $1}'); do
             DEV=${DEV/ */}
             PM3LIST+=("$DEV")
             if [ ${#PM3LIST[*]} -ge $N ]; then
                 return
             fi
-        done    
+        done
     fi
 }
 
 function get_pm3_list_WSL {
     N=$1
     PM3LIST=()
-    # Normal SERIAL PORTS (COM)
-    for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_9AC4&PID_4B8F*' | Select DeviceID" 2>/dev/null|awk '/^COM/{print $1}'); do
-        DEV=${DEV/ */}
-        DEV="/dev/ttyS${DEV#COM}"
-        # ttyS counterpart takes some more time to appear
-        if [ -e "$DEV" ]; then
-            PM3LIST+=("$DEV")
-            if [ ! -w "$DEV" ]; then
-                echo "[!!] Let's give users read/write access to $DEV"
-                sudo chmod 666 "$DEV"
-            fi
-            if [ ${#PM3LIST[*]} -ge $N ]; then
-                return
-            fi
-        fi
-    done
 
-    #white BT dongle SERIAL PORTS (COM)       
-    if $FINDBTDONGLE; then
-        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_10C4&PID_EA60*' | Select DeviceID" 2>/dev/null|awk '/^COM/{print $1}'); do
+    # Need to look for this first,  the call to Win32_serialport "crashes" then native bt serial port.  Don't ask why.
+    #BT direct SERIAL PORTS (COM)
+    if $FINDBTDIRECT; then
+        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_PnPEntity | Where-Object Caption -like 'Standard Serial over Bluetooth link (COM*' | Select Name" 2> /dev/null | awk '$0 ~ /COM/{print substr($6,2,4)}'); do
+
             DEV=${DEV/ */}
-            DEV="/dev/ttyS${DEV#COM}"           
+            DEV="/dev/ttyS${DEV#COM}"
             # ttyS counterpart takes some more time to appear
             if [ -e "$DEV" ]; then
                 PM3LIST+=("$DEV")
@@ -151,12 +138,28 @@ function get_pm3_list_WSL {
         done
     fi
 
-    #BT direct SERIAL PORTS (COM)    
-    if $FINDBTDIRECT; then
-        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_PnPEntity | Where-Object Caption -like 'Standard Serial over Bluetooth link (COM*' | Select Name" 2> /dev/null | awk '$0 ~ /COM/{print substr($6,2,4)}'); do
+    # Normal SERIAL PORTS (COM)
+    for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_9AC4&PID_4B8F*' | Select DeviceID" 2>/dev/null | awk '/^COM/{print $1}'); do
+        DEV=${DEV/ */}
+        DEV="/dev/ttyS${DEV#COM}"
+        # ttyS counterpart takes some more time to appear
+        if [ -e "$DEV" ]; then
+            PM3LIST+=("$DEV")
+            if [ ! -w "$DEV" ]; then
+                echo "[!!] Let's give users read/write access to $DEV"
+                sudo chmod 666 "$DEV"
+            fi
+            if [ ${#PM3LIST[*]} -ge $N ]; then
+                return
+            fi
+        fi
+    done
 
+    #white BT dongle SERIAL PORTS (COM)
+    if $FINDBTDONGLE; then
+        for DEV in $(powershell.exe -command "Get-CimInstance -ClassName Win32_serialport | Where-Object PNPDeviceID -like '*VID_10C4&PID_EA60*' | Select DeviceID" 2>/dev/null | awk '/^COM/{print $1}'); do
             DEV=${DEV/ */}
-            DEV="/dev/ttyS${DEV#COM}"           
+            DEV="/dev/ttyS${DEV#COM}"
             # ttyS counterpart takes some more time to appear
             if [ -e "$DEV" ]; then
                 PM3LIST+=("$DEV")