Thus, your device needs to have root access to packet capture. Talking about Android, they also use the built-in WiFi adapter for promiscuous mode although the mobile brands disable this feature in order to prevent its misuse. Most of the Windows machines need an extra Wi-Fi adapter to turn on the promiscuous mode, However, in macOS, the case is different as few macOS devices make use of the built-in Wi-Fi card in promiscuous mode. In any case, it fails to encrypt separately then all traffic is able to be read and analyzed. While capturing packets using network sniffer android apps you will be able to see every packet that is transmitted through the network. If you ask me the reason, it is a promiscuous mode (also known as monitor mode). Actually, most of the wifi packet sniffer android apps need root access to capture packets. Most of you are interested to know why almost every network sniffer app on Android requires root access to work.
Why Packet Sniffer Android Apps Require Root Access?
Best Wireshark Alternatives for Android in 2020. Why Packet Sniffer Android Apps Require Root Access?. However, you need to enable the setting and THEN TOGGLE THE BLUETOOTH ON/OFF in order to get the file/folder to be initialized. This setting will generate a log file of all of the bluetooth activity in and out of the phone with great detail. In the developer menu, the Bluetooth HCI Snoop Log setting needs to be enabled. The Android phone needs to be in developer mode. An easy way to move a file from the android phone to your dev computer. 
Download and install Wireshark ( ) on your dev computer. Bluetooth HCI (Host Controller Interface) Snoop Log enabled on Android phone. Android phone running version 4.4 or later. Or perhaps you are just curious about what the heck goes back and forth between your phone and those fancy BT mesh lightbulbs? 😉 Follow these instructions to sniff your phone’s bluetooth traffic! It can often be invaluable to be able to know exactly how many packets were sent and exactly to what device. Working with bluetooth communications can be tedious and frusterating.
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