Device Not Detected

Symptoms

• No devices appear in Devices panel
• “No devices found” message
• Device list is empty after refresh

Quick Checklist

Check	How to Verify
✅ USB cable connected	Physical inspection
✅ USB debugging enabled	Phone Settings → Developer Options
✅ Correct USB mode	Should be “File Transfer” or “MTP”
✅ Authorization accepted	Check phone for popup
✅ FeedFlux has refreshed	Click Refresh button

1. Basic USB Troubleshooting

1. Unplug USB cable
2. Wait 5 seconds
3. Plug back in firmly
4. Check phone for “Allow USB debugging?” popup
5. Tap Allow and check “Always allow”
6. Click Refresh in FeedFlux

2. Try Different USB Port

• Use a USB port directly on your computer (not a hub)
• Prefer USB 3.0 ports (usually blue inside)
• Try both front and back ports

3. Try Different USB Cable

Not all cables support data transfer:

Cable Type	Works?
Charging-only cable	❌ No
Data cable (thin)	⚠️ Maybe
OEM cable (came with phone)	✅ Yes
High-quality USB 3.0 cable	✅ Yes

4. Check USB Mode on Phone

When you plug in the cable:

1. Pull down notification shade on phone
2. Tap the USB notification
3. Select File Transfer (MTP) or Transferring files

5. Verify USB Debugging is Enabled

On your phone:

1. Go to Settings → Developer options
2. Ensure USB debugging is ON
3. If Developer options isn’t visible, enable it first (tap Build number 7 times)

6. Restart ADB

1. In FeedFlux, go to Settings → Advanced
2. Click Restart ADB
3. Or manually via Command Prompt:

adb kill-server
adb start-server

7. Install Device Drivers

Windows may need manufacturer-specific drivers:

1. Search “[Your phone brand] USB drivers”
2. Download from official manufacturer site
3. Install drivers
4. Restart computer
5. Reconnect device