diff --git a/bindings/wp8/MegaSDK.cpp b/bindings/wp8/MegaSDK.cpp
index 2545f53b6c..f3d4f28a28 100644
--- a/bindings/wp8/MegaSDK.cpp
+++ b/bindings/wp8/MegaSDK.cpp
@@ -48,8 +48,7 @@ MegaSDK::MegaSDK(String^ appKey, String^ userAgent, MRandomNumberProvider ^rando
 	unsigned char randomData[REQUIRED_ENTROPY];
 	if (randomProvider != nullptr)
 		randomProvider->GenerateRandomBlock(::Platform::ArrayReference<unsigned char>(randomData, REQUIRED_ENTROPY));
-	MegaApi::addEntropy((char *)randomData, REQUIRED_ENTROPY);
-
+	
 	std::string utf8appKey;
 	if(appKey != nullptr) 
 		MegaApi::utf16ToUtf8(appKey->Data(), appKey->Length(), &utf8appKey);
@@ -61,6 +60,8 @@ MegaSDK::MegaSDK(String^ appKey, String^ userAgent, MRandomNumberProvider ^rando
 	megaApi = new MegaApi((appKey != nullptr) ? utf8appKey.c_str() : NULL, 
 		(const char *)NULL, (userAgent != nullptr) ? utf8userAgent.c_str() : NULL);
 	
+    megaApi->addEntropy((char *)randomData, REQUIRED_ENTROPY);
+
     InitializeCriticalSectionEx(&listenerMutex, 0, 0);
     InitializeCriticalSectionEx(&loggerMutex, 0, 0);
 }
@@ -75,8 +76,7 @@ MegaSDK::MegaSDK(String^ appKey, String^ userAgent, String^ basePath, MRandomNum
 	unsigned char randomData[REQUIRED_ENTROPY];
 	if (randomProvider != nullptr)
 		randomProvider->GenerateRandomBlock(::Platform::ArrayReference<unsigned char>(randomData, REQUIRED_ENTROPY));
-	MegaApi::addEntropy((char *)randomData, REQUIRED_ENTROPY);
-
+	
 	std::string utf8appKey;
 	if (appKey != nullptr)
 		MegaApi::utf16ToUtf8(appKey->Data(), appKey->Length(), &utf8appKey);
@@ -93,6 +93,8 @@ MegaSDK::MegaSDK(String^ appKey, String^ userAgent, String^ basePath, MRandomNum
 		(basePath != nullptr) ? utf8basePath.c_str() : NULL,
 		(userAgent != nullptr) ? utf8userAgent.c_str() : NULL);
 	
+    megaApi->addEntropy((char *)randomData, REQUIRED_ENTROPY);
+
     InitializeCriticalSectionEx(&listenerMutex, 0, 0);
     InitializeCriticalSectionEx(&loggerMutex, 0, 0);
 }
@@ -107,8 +109,7 @@ MegaSDK::MegaSDK(String^ appKey, String^ userAgent, String^ basePath, MRandomNum
 	unsigned char randomData[REQUIRED_ENTROPY];
 	if (randomProvider != nullptr)
 		randomProvider->GenerateRandomBlock(::Platform::ArrayReference<unsigned char>(randomData, REQUIRED_ENTROPY));
-	MegaApi::addEntropy((char *)randomData, REQUIRED_ENTROPY);
-
+	
 	std::string utf8appKey;
 	if (appKey != nullptr)
 		MegaApi::utf16ToUtf8(appKey->Data(), appKey->Length(), &utf8appKey);
@@ -130,6 +131,8 @@ MegaSDK::MegaSDK(String^ appKey, String^ userAgent, String^ basePath, MRandomNum
 		(basePath != nullptr) ? utf8basePath.c_str() : NULL,
 		(userAgent != nullptr) ? utf8userAgent.c_str() : NULL);
 	
+    megaApi->addEntropy((char *)randomData, REQUIRED_ENTROPY);
+
     InitializeCriticalSectionEx(&listenerMutex, 0, 0);
     InitializeCriticalSectionEx(&loggerMutex, 0, 0);
 }
diff --git a/bindings/wp8/vs2013/mega.vcxproj b/bindings/wp8/vs2013/mega.vcxproj
index da5d65afdc..6e1e206bd4 100644
--- a/bindings/wp8/vs2013/mega.vcxproj
+++ b/bindings/wp8/vs2013/mega.vcxproj
@@ -370,6 +370,7 @@
     <ClInclude Include="..\..\..\include\mega\share.h" />
     <ClInclude Include="..\..\..\include\mega\sharenodekeys.h" />
     <ClInclude Include="..\..\..\include\mega\sync.h" />
+    <ClInclude Include="..\..\..\include\mega\testhooks.h" />
     <ClInclude Include="..\..\..\include\mega\thread.h" />
     <ClInclude Include="..\..\..\include\mega\thread\cppthread.h" />
     <ClInclude Include="..\..\..\include\mega\transfer.h" />
@@ -462,11 +463,13 @@
     <ClCompile Include="..\..\..\src\pendingcontactrequest.cpp" />
     <ClCompile Include="..\..\..\src\proxy.cpp" />
     <ClCompile Include="..\..\..\src\pubkeyaction.cpp" />
+    <ClCompile Include="..\..\..\src\raid.cpp" />
     <ClCompile Include="..\..\..\src\request.cpp" />
     <ClCompile Include="..\..\..\src\serialize64.cpp" />
     <ClCompile Include="..\..\..\src\share.cpp" />
     <ClCompile Include="..\..\..\src\sharenodekeys.cpp" />
     <ClCompile Include="..\..\..\src\sync.cpp" />
+    <ClCompile Include="..\..\..\src\testhooks.cpp" />
     <ClCompile Include="..\..\..\src\thread\cppthread.cpp" />
     <ClCompile Include="..\..\..\src\transfer.cpp" />
     <ClCompile Include="..\..\..\src\transferslot.cpp" />
@@ -477,7 +480,6 @@
     <ClCompile Include="..\..\..\src\waiterbase.cpp" />
     <ClCompile Include="..\..\..\src\win32\fs.cpp" />
     <ClCompile Include="..\..\..\src\win32\waiter.cpp" />
-    <ClCompile Include="..\..\..\src\win32\raid.cpp" />
     <ClCompile Include="..\DelegateMGfxProcessor.cpp" />
     <ClCompile Include="..\DelegateMGlobalListener.cpp" />
     <ClCompile Include="..\DelegateMListener.cpp" />
@@ -518,4 +520,4 @@
   <Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsPhone\v$(TargetPlatformVersion)\Microsoft.Cpp.WindowsPhone.$(TargetPlatformVersion).targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/bindings/wp8/vs2013/mega.vcxproj.filters b/bindings/wp8/vs2013/mega.vcxproj.filters
index 4e6c17ca52..1377e457bb 100644
--- a/bindings/wp8/vs2013/mega.vcxproj.filters
+++ b/bindings/wp8/vs2013/mega.vcxproj.filters
@@ -297,6 +297,9 @@
     <ClInclude Include="..\MUserAlertList.h">
       <Filter>Bindings</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\include\mega\testhooks.h">
+      <Filter>SDK\Header</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\src\attrmap.cpp">
@@ -524,9 +527,6 @@
     <ClCompile Include="..\..\..\src\mega_zxcvbn.cpp">
       <Filter>SDK\Source</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\raid.cpp">
-      <Filter>SDK\Source</Filter>
-    </ClCompile>
     <ClCompile Include="..\MAchievementsDetails.cpp">
       <Filter>Bindings</Filter>
     </ClCompile>
@@ -545,5 +545,11 @@
     <ClCompile Include="..\MUserAlertList.cpp">
       <Filter>Bindings</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\raid.cpp">
+      <Filter>SDK\Source</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\testhooks.cpp">
+      <Filter>SDK\Source</Filter>
+    </ClCompile>
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/bindings/wp8/vs2015/mega.vcxproj b/bindings/wp8/vs2015/mega.vcxproj
index 109a872ed7..f50647df3f 100644
--- a/bindings/wp8/vs2015/mega.vcxproj
+++ b/bindings/wp8/vs2015/mega.vcxproj
@@ -64,6 +64,7 @@
     <ClInclude Include="..\..\..\include\mega\share.h" />
     <ClInclude Include="..\..\..\include\mega\sharenodekeys.h" />
     <ClInclude Include="..\..\..\include\mega\sync.h" />
+    <ClInclude Include="..\..\..\include\mega\testhooks.h" />
     <ClInclude Include="..\..\..\include\mega\thread.h" />
     <ClInclude Include="..\..\..\include\mega\thread\cppthread.h" />
     <ClInclude Include="..\..\..\include\mega\transfer.h" />
@@ -162,6 +163,7 @@
     <ClCompile Include="..\..\..\src\sharenodekeys.cpp" />
     <ClCompile Include="..\..\..\src\raid.cpp" />
     <ClCompile Include="..\..\..\src\sync.cpp" />
+    <ClCompile Include="..\..\..\src\testhooks.cpp" />
     <ClCompile Include="..\..\..\src\thread\cppthread.cpp" />
     <ClCompile Include="..\..\..\src\transfer.cpp" />
     <ClCompile Include="..\..\..\src\transferslot.cpp" />
diff --git a/bindings/wp8/vs2015/mega.vcxproj.filters b/bindings/wp8/vs2015/mega.vcxproj.filters
index 24d1fa93c4..e994efc3b5 100644
--- a/bindings/wp8/vs2015/mega.vcxproj.filters
+++ b/bindings/wp8/vs2015/mega.vcxproj.filters
@@ -301,6 +301,9 @@
     <ClInclude Include="..\MUserAlertList.h">
       <Filter>Bindings</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\include\mega\testhooks.h">
+      <Filter>SDK\Header</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\DelegateMGfxProcessor.cpp">
@@ -555,5 +558,8 @@
     <ClCompile Include="..\MUserAlertList.cpp">
       <Filter>Bindings</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\testhooks.cpp">
+      <Filter>SDK\Source</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
diff --git a/include/mega/utils.h b/include/mega/utils.h
index 111967b70b..35a1ba5fcf 100644
--- a/include/mega/utils.h
+++ b/include/mega/utils.h
@@ -25,6 +25,16 @@
 #include "types.h"
 #include "mega/logging.h"
 
+// Needed for Windows Phone (MSVS 2013 - C++ version 9.8)
+#if defined(_WIN32) && _MSC_VER <= 1800 && __cplusplus < 201103L && !defined(_TIMESPEC_DEFINED) && ! __struct_timespec_defined
+struct timespec
+{
+    long long	tv_sec; 	/* seconds */
+    long        tv_nsec;	/* nanoseconds */
+};
+# define __struct_timespec_defined  1
+#endif
+
 namespace mega {
 // convert 2...8 character ID to int64 integer (endian agnostic)
 #define MAKENAMEID2(a, b) (nameid)(((a) << 8) + (b))
diff --git a/src/logging.cpp b/src/logging.cpp
index 34d3b6ccf7..60ff8c8172 100644
--- a/src/logging.cpp
+++ b/src/logging.cpp
@@ -22,10 +22,18 @@
  * Public License, see http://www.gnu.org/copyleft/gpl.txt for details.
  */
 
+#if defined(WINDOWS_PHONE) && !defined(__STDC_LIMIT_MACROS)
+#define __STDC_LIMIT_MACROS
+#endif
+
 #include "mega/logging.h"
 #include <time.h>
 #include <assert.h>
 
+#if defined(WINDOWS_PHONE)
+#include <stdint.h>
+#endif
+
 namespace mega {
 
 // static member initialization
diff --git a/src/raid.cpp b/src/raid.cpp
index 20fc495a8b..92d0d237a3 100644
--- a/src/raid.cpp
+++ b/src/raid.cpp
@@ -30,7 +30,7 @@
 namespace mega
 {
 
-constexpr unsigned RAID_ACTIVE_CHANNEL_FAIL_THRESHOLD = 5;
+const unsigned RAID_ACTIVE_CHANNEL_FAIL_THRESHOLD = 5;
 
 struct FaultyServers
 {