Tag Archives: Ubuntu adb

Ubuntu adb :no permissions (user in plugdev group; are your udev rules wrong?);

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Error in ADB in Ubuntu:

caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ ./adb devices
List of devices attached
faf80ac1	no permissions (user in plugdev group; are your udev rules wrong?); see [http://developer.android.com/tools/device.html]

Solution:

setup 1: lsusb to find your phone’s USB address

caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ lsusb
Bus 002 Device 002: ID 1f75:0621 Innostor Technology Corporation 
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 006: ID 0bda:58db Realtek Semiconductor Corp. 
Bus 001 Device 005: ID 8087:0a2b Intel Corp. 
Bus 001 Device 004: ID 138a:0097 Validity Sensors, Inc. 
Bus 001 Device 003: ID 18f8:0f99  
Bus 001 Device 014: ID 19d2:ffb0 ZTE WCDMA Technologies MSM 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

He will list all the USB devices, you can find them. If you can’t find it, unplug your mobile phone and see if it’s missing

setp2: sudo gedit /etc/udev/rules.d/51-android.rules

caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ sudo gedit /etc/udev/rules.d/51-android.rules
[sudo] password for caoxinyu:

Then copy the text into the editor

ATTR{idProduct}=="ffb0", SYMLINK+="android_adb", MODE="0660", GROUP="plugdev", TAG+="uaccess", SYMLINK+="android"

Note: ffb0 is the USB address of your mobile device. Bus 001 device 014: ID 19d2: ffb0 ZTE WCDMA technologies MSM
change to your address

setp3: execute the command after: 

caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ sudo usermod -a -G plugdev $(id -u -n)
caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ sudo udevadm control --reload-rules
caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ sudo service udev restart
caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ sudo udevadm trigger

Setp4: restart ADB after

caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ ./adb kill-server 
caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ ./adb start-server
caoxinyu@caoxinyu-ThinkPad-T470p:~/Android/Sdk/platform-tools$ ./adb devices
List of devices attached
faf80ac1	unauthorized

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