diff --git a/examples/wifi/iperf/sdkconfig.defaults b/examples/wifi/iperf/sdkconfig.defaults
index f096b6f061..7e44f9266f 100644
--- a/examples/wifi/iperf/sdkconfig.defaults
+++ b/examples/wifi/iperf/sdkconfig.defaults
@@ -13,3 +13,9 @@ CONFIG_LWIP_TCPIP_TASK_PRIO=23
 CONFIG_IPERF_TRAFFIC_TASK_PRIORITY=23
 CONFIG_IPERF_REPORT_TASK_PRIORITY=24
 CONFIG_COMPILER_OPTIMIZATION_PERF=y
+
+CONFIG_PARTITION_TABLE_SINGLE_APP_LARGE=y
+
+# These two configurations disable the phy pll track feature, only used for experimental
+CONFIG_ESP_PHY_DEBUG=y
+CONFIG_ESP_PHY_DISABLE_PLL_TRACK=y