Adb devices => no permissions (user in plugdev group; are your udev rules wrong?)
Quick fix coming at you at warp speed! Run the following command to overcome the adb devices no permission obstacle:
Still no joy? Let's compose a udev rule specifically for your Android device:
Remember to replace VENDOR_ID with your device's unique vendor ID. Now, let's make udev aware of the changes:
Unplug and then plug your device back in, and run adb devices. Voilà, the pesky permission issue should be gone!
But what if the fast answer doesn't work?
No problem, dear coder, we've got more tricks up our sleeve! Here’s how you ensure device detection with the lsusb command:
From the output, you'll extract your device’s vendor ID and product ID—the secret codes we'll be using to charm our way past permission issues!
Query the command, get the answers
Uncover your Android device from the lsusb command. Here’s how to identify your unique device ID:
In this output, 18d1 is the elusive VENDOR_ID.
Create, apply, and conquer!
Forge a udev rule that'll unlock adb access to your Android device:
Use your magic incantation to have udev take your new rule to heart:
Confirm device detection
Get adb’s blessing on the device's recognition:
A returned device list means you've escaped the no permission error!
Persist? Here's how you resist
File Transfer/MTP mode
Switch your device to File Transfer or MTP mode. ADB gets grouchy with “Charging only”.
Test different cable
Only the best (quality) cables for adb!
adb and Genius Bar
Ensure your adb version is the latest. Who knows, the Genius Bar might start accepting adb!
Resurrections
adb reboot
Try restarting the adb service.
Check connections
Unplug and replug your device. It's the equivalent of "switching it off and on".
System reboot
Give your whole system a break and a reboot. You'd be surprised at what a nap can fix sometimes.
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