diff --git a/src/platform/cc13xx_26xx/ThreadStackManagerImpl.cpp b/src/platform/cc13xx_26xx/ThreadStackManagerImpl.cpp
index caffe8443b6bbd..a338e915181ea8 100644
--- a/src/platform/cc13xx_26xx/ThreadStackManagerImpl.cpp
+++ b/src/platform/cc13xx_26xx/ThreadStackManagerImpl.cpp
@@ -81,7 +81,8 @@ CHIP_ERROR ThreadStackManagerImpl::InitThreadStack(otInstance * otInst)
     CHIP_ERROR err = CHIP_NO_ERROR;
 
     // Create FreeRTOS queue for platform driver messages
-    procQueue = xQueueCreate(16U, sizeof(ThreadStackManagerImpl::procQueueMsg));
+    procQueue       = xQueueCreate(20U, sizeof(ThreadStackManagerImpl::procQueueMsg));
+    procQueue_radio = xQueueCreate(20U, sizeof(ThreadStackManagerImpl::procQueueMsg));
 
 #if OPENTHREAD_CONFIG_HEAP_EXTERNAL_ENABLE != 0
     mbedtls_platform_set_calloc_free(ot_calloc, ot_free);
@@ -116,7 +117,19 @@ bool ThreadStackManagerImpl::IsInitialized()
 
 void ThreadStackManagerImpl::_SendProcMessage(ThreadStackManagerImpl::procQueueMsg & procMsg)
 {
-    xQueueSendFromISR(procQueue, &procMsg, NULL);
+
+    BaseType_t err;
+
+    if (procMsg.cmd == procQueueCmd_radio)
+    {
+        err = xQueueSendFromISR(procQueue_radio, &procMsg, NULL);
+    }
+    else
+    {
+        err = xQueueSendFromISR(procQueue, &procMsg, NULL);
+    }
+
+    (void) err;
 
     // signal processing loop
     SignalThreadActivityPendingFromISR();
@@ -138,6 +151,23 @@ extern "C" void otPlatFree(void * aPtr)
 void ThreadStackManagerImpl::_ProcMessage(otInstance * aInstance)
 {
     procQueueMsg procMsg;
+    procQueueMsg procMsg_radio;
+
+    /* Process Radio events */
+    while (pdTRUE == xQueueReceive(procQueue_radio, &procMsg_radio, 0U))
+    {
+        switch (procMsg_radio.cmd)
+        {
+        case procQueueCmd_radio: {
+            platformRadioProcess(aInstance, procMsg_radio.arg);
+            break;
+        }
+        default: {
+            break;
+        }
+        }
+    }
+
     while (pdTRUE == xQueueReceive(procQueue, &procMsg, 0U))
     {
         switch (procMsg.cmd)
@@ -147,11 +177,6 @@ void ThreadStackManagerImpl::_ProcMessage(otInstance * aInstance)
             break;
         }
 
-        case procQueueCmd_radio: {
-            platformRadioProcess(aInstance, procMsg.arg);
-            break;
-        }
-
         case procQueueCmd_tasklets: {
             otTaskletsProcess(aInstance);
             break;
diff --git a/src/platform/cc13xx_26xx/cc13x2_26x2/ThreadStackManagerImpl.h b/src/platform/cc13xx_26xx/cc13x2_26x2/ThreadStackManagerImpl.h
index c7377336a2f38f..ff5b5cc34a89e4 100644
--- a/src/platform/cc13xx_26xx/cc13x2_26x2/ThreadStackManagerImpl.h
+++ b/src/platform/cc13xx_26xx/cc13x2_26x2/ThreadStackManagerImpl.h
@@ -95,6 +95,7 @@ class ThreadStackManagerImpl final : public ThreadStackManager,
     void _SendProcMessage(procQueueMsg & procMsg);
     void _ProcMessage(otInstance * aInstance);
     void GetExtAddress(otExtAddress & aExtAddr);
+    CHIP_ERROR GetBufferInfo(void);
 
 private:
     // ===== Methods that implement the ThreadStackManager abstract interface.
@@ -114,6 +115,7 @@ class ThreadStackManagerImpl final : public ThreadStackManager,
 
     ThreadStackManagerImpl() = default;
     QueueHandle_t procQueue;
+    QueueHandle_t procQueue_radio;
 };
 
 /**
diff --git a/src/platform/cc13xx_26xx/cc13x4_26x4/ThreadStackManagerImpl.h b/src/platform/cc13xx_26xx/cc13x4_26x4/ThreadStackManagerImpl.h
index afabf6069cc38f..dc4127d7033af1 100644
--- a/src/platform/cc13xx_26xx/cc13x4_26x4/ThreadStackManagerImpl.h
+++ b/src/platform/cc13xx_26xx/cc13x4_26x4/ThreadStackManagerImpl.h
@@ -94,6 +94,7 @@ class ThreadStackManagerImpl final : public ThreadStackManager,
     void _SendProcMessage(procQueueMsg & procMsg);
     void _ProcMessage(otInstance * aInstance);
     void GetExtAddress(otExtAddress & aExtAddr);
+    CHIP_ERROR GetBufferInfo(void);
 
 private:
     // ===== Methods that implement the ThreadStackManager abstract interface.
@@ -113,6 +114,7 @@ class ThreadStackManagerImpl final : public ThreadStackManager,
 
     ThreadStackManagerImpl() = default;
     QueueHandle_t procQueue;
+    QueueHandle_t procQueue_radio;
 };
 
 /**
diff --git a/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/cc13x4_26x4-mbedtls-config.h b/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/cc13x4_26x4-mbedtls-config.h
index f1bb207c945dc0..16b1dafdcc95d4 100644
--- a/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/cc13x4_26x4-mbedtls-config.h
+++ b/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/cc13x4_26x4-mbedtls-config.h
@@ -41,10 +41,10 @@
 //#define MBEDTLS_AES_ALT
 //#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT
 //#define MBEDTLS_ECDH_GEN_PUBLIC_ALT
-//#define MBEDTLS_ECDSA_SIGN_ALT
-//#define MBEDTLS_ECDSA_VERIFY_ALT
-//#define MBEDTLS_ENTROPY_HARDWARE_ALT
-//#define MBEDTLS_SHA256_ALT
+#define MBEDTLS_ECDSA_SIGN_ALT
+#define MBEDTLS_ECDSA_VERIFY_ALT
+#define MBEDTLS_ENTROPY_HARDWARE_ALT
+#define MBEDTLS_SHA256_ALT
 
 // Thread Joining disabled
 //#define MBEDTLS_ECJPAKE_ALT
diff --git a/third_party/openthread/ot-ti b/third_party/openthread/ot-ti
index a9dd46d64f7279..e61f379de62125 160000
--- a/third_party/openthread/ot-ti
+++ b/third_party/openthread/ot-ti
@@ -1 +1 @@
-Subproject commit a9dd46d64f7279974d3fd7b077e22aaf663d1460
+Subproject commit e61f379de62125e407568056cde58c876f22ce27
diff --git a/third_party/ti_simplelink_sdk/BUILD.gn b/third_party/ti_simplelink_sdk/BUILD.gn
index 363d94685955fe..79f2e205b069ac 100644
--- a/third_party/ti_simplelink_sdk/BUILD.gn
+++ b/third_party/ti_simplelink_sdk/BUILD.gn
@@ -76,6 +76,15 @@ mbedtls_target("mbedtls") {
       "${chip_root}/src/platform/cc13xx_26xx/cc13x2_26x2/crypto/sha256_alt.c",
     ]
   }
+  if (ti_simplelink_device_family == "cc13x4_26x4") {
+    sources = [
+      "${chip_root}/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/aes_alt.c",
+      "${chip_root}/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/ecdh_alt.c",
+      "${chip_root}/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/ecdsa_alt.c",
+      "${chip_root}/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/ecjpake_alt.c",
+      "${chip_root}/src/platform/cc13xx_26xx/cc13x4_26x4/crypto/sha256_alt.c",
+    ]
+  }
 
   public_configs = [ ":ti_simplelink_mbedtls_config" ]
 
diff --git a/third_party/ti_simplelink_sdk/repo_cc13xx_cc26xx b/third_party/ti_simplelink_sdk/repo_cc13xx_cc26xx
index 5d4cc6d8331df7..7692751f2c96c8 160000
--- a/third_party/ti_simplelink_sdk/repo_cc13xx_cc26xx
+++ b/third_party/ti_simplelink_sdk/repo_cc13xx_cc26xx
@@ -1 +1 @@
-Subproject commit 5d4cc6d8331df7b4a0880b52db53e54887f0b4f3
+Subproject commit 7692751f2c96c82d8207faa989f10a26b0cf2dd8
diff --git a/third_party/ti_simplelink_sdk/ti_simplelink_sdk.gni b/third_party/ti_simplelink_sdk/ti_simplelink_sdk.gni
index 06c925ff8b0774..590d4884b867f5 100644
--- a/third_party/ti_simplelink_sdk/ti_simplelink_sdk.gni
+++ b/third_party/ti_simplelink_sdk/ti_simplelink_sdk.gni
@@ -247,6 +247,7 @@ template("ti_simplelink_sdk") {
         "${ti_simplelink_sdk_root}/kernel/freertos/dpl/PowerCC26X2_freertos.c",
         "${ti_simplelink_sdk_root}/kernel/freertos/dpl/TimerPCC26XX_freertos.c",
         "${ti_simplelink_sdk_root}/kernel/freertos/startup/startup_cc13x2_cc26x2_gcc.c",
+        "${ti_simplelink_sdk_root}/source/ti/drivers/sha2/SHA2CC26X2.c",
       ]
     } else if (ti_simplelink_device_family == "cc13x4_26x4") {
       sources += [
@@ -255,6 +256,7 @@ template("ti_simplelink_sdk") {
         "${ti_simplelink_sdk_root}/kernel/freertos/dpl/PowerCC26X2_freertos.c",
         "${ti_simplelink_sdk_root}/kernel/freertos/dpl/TimerPCC26XX_freertos.c",
         "${ti_simplelink_sdk_root}/kernel/freertos/startup/startup_cc13x4_cc26x4_gcc.c",
+        "${ti_simplelink_sdk_root}/source/ti/drivers/sha2/SHA2CC26X2.c",
       ]
     } else if (ti_simplelink_device_family == "cc32xx") {
       sources += [