diff --git a/src/platform/qpg/PlatformManagerImpl.cpp b/src/platform/qpg/PlatformManagerImpl.cpp
index 1820914c306e58..4397237f528d13 100644
--- a/src/platform/qpg/PlatformManagerImpl.cpp
+++ b/src/platform/qpg/PlatformManagerImpl.cpp
@@ -53,5 +53,38 @@ CHIP_ERROR PlatformManagerImpl::_InitChipStack(void)
     return err;
 }
 
+CHIP_ERROR PlatformManagerImpl::_GetCurrentHeapFree(uint64_t & currentHeapFree)
+{
+    size_t freeHeapSize;
+    size_t usedHeapSize;
+    size_t highWatermarkHeapSize;
+
+    qvCHIP_GetHeapStats(&freeHeapSize, &usedHeapSize, &highWatermarkHeapSize);
+    currentHeapFree = static_cast<uint64_t>(freeHeapSize);
+    return CHIP_NO_ERROR;
+}
+
+CHIP_ERROR PlatformManagerImpl::_GetCurrentHeapUsed(uint64_t & currentHeapUsed)
+{
+    size_t freeHeapSize;
+    size_t usedHeapSize;
+    size_t highWatermarkHeapSize;
+
+    qvCHIP_GetHeapStats(&freeHeapSize, &usedHeapSize, &highWatermarkHeapSize);
+    currentHeapUsed = static_cast<uint64_t>(usedHeapSize);
+    return CHIP_NO_ERROR;
+}
+
+CHIP_ERROR PlatformManagerImpl::_GetCurrentHeapHighWatermark(uint64_t & currentHeapHighWatermark)
+{
+    size_t freeHeapSize;
+    size_t usedHeapSize;
+    size_t highWatermarkHeapSize;
+
+    qvCHIP_GetHeapStats(&freeHeapSize, &usedHeapSize, &highWatermarkHeapSize);
+    currentHeapHighWatermark = static_cast<uint64_t>(highWatermarkHeapSize);
+    return CHIP_NO_ERROR;
+}
+
 } // namespace DeviceLayer
 } // namespace chip
diff --git a/src/platform/qpg/PlatformManagerImpl.h b/src/platform/qpg/PlatformManagerImpl.h
index ba8403486c4af7..968410f6bd1619 100644
--- a/src/platform/qpg/PlatformManagerImpl.h
+++ b/src/platform/qpg/PlatformManagerImpl.h
@@ -52,6 +52,9 @@ class PlatformManagerImpl final : public PlatformManager, public Internal::Gener
     // ===== Methods that implement the PlatformManager abstract interface.
 
     CHIP_ERROR _InitChipStack(void);
+    CHIP_ERROR _GetCurrentHeapFree(uint64_t & currentHeapFree);
+    CHIP_ERROR _GetCurrentHeapUsed(uint64_t & currentHeapUsed);
+    CHIP_ERROR _GetCurrentHeapHighWatermark(uint64_t & currentHeapHighWatermark);
 
     // ===== Members for internal use by the following friends.
 
diff --git a/src/platform/qpg/qpgConfig.cpp b/src/platform/qpg/qpgConfig.cpp
index 7e6546d8e3aabe..bb5795e1ed2025 100644
--- a/src/platform/qpg/qpgConfig.cpp
+++ b/src/platform/qpg/qpgConfig.cpp
@@ -45,13 +45,6 @@ CHIP_ERROR QPGConfig::Init()
     return CHIP_NO_ERROR;
 }
 
-uint16_t QPGConfig::GetSettingsMaxValueLength(Key key)
-{
-    uint16_t keyLen;
-
-    return (qvCHIP_Nvm_GetMaxKeyLen(key, &keyLen) == QV_STATUS_NO_ERROR) ? keyLen : 0;
-}
-
 CHIP_ERROR QPGConfig::ReadConfigValue(Key key, bool & val)
 {
     uint16_t length;
diff --git a/src/platform/qpg/qpgConfig.h b/src/platform/qpg/qpgConfig.h
index 38cfb9116a098a..72f230e28c9f09 100644
--- a/src/platform/qpg/qpgConfig.h
+++ b/src/platform/qpg/qpgConfig.h
@@ -104,7 +104,6 @@ class QPGConfig
     static CHIP_ERROR Init(void);
 
     // Configuration methods used by the GenericConfigurationManagerImpl<> template.
-    static uint16_t GetSettingsMaxValueLength(uint16_t Key);
     static CHIP_ERROR ReadConfigValue(Key key, bool & val);
     static CHIP_ERROR ReadConfigValue(Key key, uint32_t & val);
     static CHIP_ERROR ReadConfigValue(Key key, uint64_t & val);
diff --git a/third_party/qpg_sdk/repo b/third_party/qpg_sdk/repo
index 197eba673348ac..ca8b067590d4d6 160000
--- a/third_party/qpg_sdk/repo
+++ b/third_party/qpg_sdk/repo
@@ -1 +1 @@
-Subproject commit 197eba673348ac410bdb155e3dd8bac322391e10
+Subproject commit ca8b067590d4d65280417b60dfe4d16dad9b2775