Different mobile phones have slightly different opening methods, but they are basically the same. You can refer to the following steps to try: Step 1. Click the Settings icon. Step 2. Click About Phone > Software information > Build number. Step 3. Click the Build number 7 times to enable the Developer options. Step 4. Return to the settings and enter Developer Options. Step 5. Scroll down and enable USB Debugging.
*For system version 6.0 or above, please turn on ADB debugging is allowed in charging mode only first. If there are USB Installation and USB Debugging (Security Settings) under USB Debugging, please enable these two items. Your phone may prompt you to allow permission to use this computer. If this is the case, please click OK/Allow.