diff --git a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
index 0a7517c6985..28eae5bc70e 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
@@ -14,6 +14,8 @@ CONFIG_ARCH_BOARD="spresense"
 CONFIG_ARCH_BOARD_SPRESENSE=y
 CONFIG_ARCH_CHIP="cxd56xx"
 CONFIG_ARCH_CHIP_CXD56XX=y
+CONFIG_ARCH_INTERRUPTSTACK=2048
+CONFIG_ARCH_LEDS_CPU_ACTIVITY=y
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_AUDIO=y
@@ -26,7 +28,7 @@ CONFIG_BUILTIN=y
 CONFIG_CLOCK_MONOTONIC=y
 CONFIG_CODECS_HASH_MD5=y
 CONFIG_CXD56_AUDIO_BUFFER_SIZE=2048
-CONFIG_CXD56_AUDIO_NUM_BUFFERS=32
+CONFIG_CXD56_AUDIO_NUM_BUFFERS=64
 CONFIG_CXD56_AUDIO_WORKER_STACKSIZE=1024
 CONFIG_CXD56_BINARY=y
 CONFIG_CXD56_SDIO=y
@@ -63,9 +65,13 @@ CONFIG_IOB_NBUFFERS=128
 CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LIBM=y
 CONFIG_LIB_ENVPATH=y
-CONFIG_MAX_TASKS=16
+CONFIG_LIB_SENDFILE_BUFSIZE=1024
+CONFIG_MEMCPY_VIK=y
+CONFIG_MEMSET_64BIT=y
+CONFIG_MEMSET_OPTSPEED=y
 CONFIG_MMCSD=y
 CONFIG_MMCSD_SDIO=y
+CONFIG_MQ_MAXMSGSIZE=64
 CONFIG_MTD_BYTE_WRITE=y
 CONFIG_MTD_PARTITION=y
 CONFIG_MTD_SMART=y
@@ -98,7 +104,6 @@ CONFIG_NET_ROUTE=y
 CONFIG_NET_STATISTICS=y
 CONFIG_NET_TCP=y
 CONFIG_NET_TCPBACKLOG=y
-CONFIG_NET_TCP_WRITE_BUFFERS=y
 CONFIG_NET_UDP=y
 CONFIG_NET_UDP_BINDTODEVICE=y
 CONFIG_NSH_ARCHINIT=y
@@ -109,8 +114,9 @@ CONFIG_NSH_READLINE=y
 CONFIG_NSH_TELNETD_CLIENTSTACKSIZE=3072
 CONFIG_NXPLAYER_HTTP_STREAMING_SUPPORT=y
 CONFIG_NXPLAYER_MAINTHREAD_STACKSIZE=3072
+CONFIG_NXPLAYER_PLAYTHREAD_STACKSIZE=3072
 CONFIG_PATH_INITIAL="/mnt/sd0/bin"
-CONFIG_PREALLOC_MQ_MSGS=32
+CONFIG_PREALLOC_MQ_MSGS=64
 CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=1572864
 CONFIG_RAM_START=0x0d000000
@@ -118,6 +124,10 @@ CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RNDIS=y
 CONFIG_RR_INTERVAL=200
 CONFIG_RTC=y
+CONFIG_RTC_ALARM=y
+CONFIG_RTC_DRIVER=y
+CONFIG_RTC_FREQUENCY=32768
+CONFIG_RTC_HIRES=y
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_WAITPID=y
diff --git a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
index 016c6e6ff04..0b179bde807 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
@@ -68,7 +68,6 @@ CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LIBM=y
 CONFIG_LIB_ENVPATH=y
 CONFIG_LIB_SENDFILE_BUFSIZE=1024
-CONFIG_MAX_TASKS=16
 CONFIG_MEMCPY_VIK=y
 CONFIG_MEMSET_64BIT=y
 CONFIG_MEMSET_OPTSPEED=y
@@ -127,6 +126,10 @@ CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RNDIS=y
 CONFIG_RR_INTERVAL=200
 CONFIG_RTC=y
+CONFIG_RTC_ALARM=y
+CONFIG_RTC_DRIVER=y
+CONFIG_RTC_FREQUENCY=32768
+CONFIG_RTC_HIRES=y
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SDCLONE_DISABLE=y