Ensure USB Debugging is enabled in Developer Options. Additionally, the USB connection mode on your phone should be set to MTP (Media Transfer Protocol).
: Open your phone’s dialer and enter *#0808# . Select DM + ADB + RNDIS and save. samfw running exploit fail
Plug the cable directly into the motherboard (back of the PC) rather than a front panel or a USB hub. Always use an original OEM or high-quality data-sync cable. Step 4: Toggle USB Debugging Force a fresh ADB handshake between your phone and your PC. Go to > Developer Options . Turn USB Debugging off, then turn it back on. Scroll down and tap Revoke USB debugging authorizations . Ensure USB Debugging is enabled in Developer Options
The most common cause of communication failure is a driver issue. Uninstall old USB drivers. Select DM + ADB + RNDIS and save