diff --git a/external/packages/pack-uboot/sun50iw9/bin/dts/bpi-m4zero-u-boot-current.dts b/external/packages/pack-uboot/sun50iw9/bin/dts/bpi-m4zero-u-boot-current.dts
index 03c597d..8a0ca54 100755
--- a/external/packages/pack-uboot/sun50iw9/bin/dts/bpi-m4zero-u-boot-current.dts
+++ b/external/packages/pack-uboot/sun50iw9/bin/dts/bpi-m4zero-u-boot-current.dts
@@ -2413,8 +2413,8 @@
 			pinctrl-0 = <0x60>;
 			pinctrl-1 = <0x61>;
 			pinctrl-names = "default", "sleep";
-			tx-delay = <0x7>;
-			rx-delay = <0x1f>;
+			tx-delay = <0x0>;
+			rx-delay = <0x0>;
 			phandle = <0xbc>;
 		};
 
@@ -2709,7 +2709,7 @@
 
 		btlpm {
 			compatible = "allwinner,sunxi-btlpm";
-			status = "okay";
+			status = "disabled";
 			uart_index = <0x1>;
 			bt_wake = <0x23 0x6 0x11 0x0>;      /* PG17 */
 			bt_hostwake = <0x23 0x6 0x10 0x0>;  /* PG16 */