diff --git a/examples/openthread/ot_br/sdkconfig.defaults.esp32s2 b/examples/openthread/ot_br/sdkconfig.defaults.esp32s2
new file mode 100644
index 00000000000..726bbbe671d
--- /dev/null
+++ b/examples/openthread/ot_br/sdkconfig.defaults.esp32s2
@@ -0,0 +1,12 @@
+#
+# ESP PSRAM
+#
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y
+# end of ESP PSRAM
+
+#
+# OpenThread
+#
+CONFIG_OPENTHREAD_PLATFORM_MSGPOOL_MANAGEMENT=y
+# end of OpenThread
diff --git a/examples/openthread/ot_cli/partitions.csv b/examples/openthread/ot_cli/partitions.csv
index 6c0e048dba5..a55f875a133 100644
--- a/examples/openthread/ot_cli/partitions.csv
+++ b/examples/openthread/ot_cli/partitions.csv
@@ -2,4 +2,4 @@
 # Note: if you have increased the bootloader size, make sure to update the offsets to avoid overlap
 nvs,        data, nvs,      0x9000,  0x6000,
 phy_init,   data, phy,      0xf000,  0x1000,
-factory,    app,  factory,  0x10000, 0x120000,
+factory,    app,  factory,  0x10000, 0x140000,