diff --git a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
index 21497ee..d07bf46 100644
--- a/os_dep/linux/os_intfs.c
+++ b/os_dep/linux/os_intfs.c
@@ -306,7 +306,7 @@ int rtw_drv_ant_band_switch = 1; /* 0:OFF , 1:ON, Driver control antenna band sw
 int rtw_single_ant_path; /*0:main ant , 1:aux ant , Fixed single antenna path, default main ant*/
 
 /* 0: doesn't switch, 1: switch from usb2.0 to usb 3.0 2: switch from usb3.0 to usb 2.0 */
-int rtw_switch_usb_mode = 0;
+int rtw_switch_usb_mode = 1;
 
 #ifdef CONFIG_USB_AUTOSUSPEND
 int rtw_enusbss = 1;/* 0:disable,1:enable */
diff --git a/os_dep/linux/usb_intf.c b/os_dep/linux/usb_intf.c
index 52d8258..90184e8 100644
--- a/os_dep/linux/usb_intf.c
+++ b/os_dep/linux/usb_intf.c
@@ -664,7 +664,24 @@ static int usb_reprobe_switch_usb_mode(PADAPTER Adapter)
 	if (registry_par->switch_usb_mode == 0)
 		goto exit;
 
+#if defined(CONFIG_RTL8812A) || defined(CONFIG_RTL8821A) || defined(CONFIG_RTL8814A)
+        if (IS_HIGH_SPEED_USB(Adapter)) {
+          if ((rtw_read8(Adapter, 0x74) & (BIT(2)|BIT(3))) != BIT(3)) {
+            rtw_write8(Adapter, 0x74, 0x8);
+            rtw_write8(Adapter, 0x70, 0x2);
+            rtw_write8(Adapter, 0x3e, 0x1);
+            rtw_write8(Adapter, 0x3d, 0x3);
+            /* usb disconnect */
+            rtw_write8(Adapter, 0x5, 0x80);
+            ret = _TRUE;
+          }
+        } else if (IS_SUPER_SPEED_USB(Adapter)) {
+          rtw_write8(Adapter, 0x70, rtw_read8(Adapter, 0x70) & (~BIT(1)));
+          rtw_write8(Adapter, 0x3e, rtw_read8(Adapter, 0x3e) & (~BIT(0)));
+        }
+#else
 	rtw_hal_set_hwreg(Adapter, HW_VAR_USB_MODE, &ret);
+#endif
 
 exit:
 	return ret;