diff --git a/Telegram/PrepareWin.bat b/Telegram/PrepareWin.bat
index c116da7ef..981494879 100644
--- a/Telegram/PrepareWin.bat
+++ b/Telegram/PrepareWin.bat
@@ -1,8 +1,8 @@
 @echo OFF
 
-set "AppVersionStrSmall=0.7.8"
-set "AppVersionStr=0.7.8"
-set "AppVersionStrFull=0.7.8.0"
+set "AppVersionStrSmall=0.7.9"
+set "AppVersionStr=0.7.9"
+set "AppVersionStrFull=0.7.9.0"
 
 echo.
 echo Preparing version %AppVersionStr%..
diff --git a/Telegram/SourceFiles/config.h b/Telegram/SourceFiles/config.h
index 98bb77fba..e736b7fc1 100644
--- a/Telegram/SourceFiles/config.h
+++ b/Telegram/SourceFiles/config.h
@@ -17,8 +17,8 @@ Copyright (c) 2014 John Preston, https://desktop.telegram.org
 */
 #pragma once
 
-static const int32 AppVersion = 7008;
-static const wchar_t *AppVersionStr = L"0.7.8";
+static const int32 AppVersion = 7009;
+static const wchar_t *AppVersionStr = L"0.7.9";
 
 static const wchar_t *AppNameOld = L"Telegram Win (Unofficial)";
 static const wchar_t *AppName = L"Telegram Desktop";
@@ -165,7 +165,7 @@ static const BuiltInDc _builtInDcs[] = {
 };
 
 static const BuiltInDc _builtInTestDcs[] = {
-	{ 1, "173.240.5.253", 443 },
+	{ 1, "149.154.175.10", 443 },
 	{ 2, "149.154.167.40", 443 },
 	{ 3, "174.140.142.5", 443 }
 };
diff --git a/Telegram/SourceFiles/logs.cpp b/Telegram/SourceFiles/logs.cpp
index 40c9199ac..bb0fe21a5 100644
--- a/Telegram/SourceFiles/logs.cpp
+++ b/Telegram/SourceFiles/logs.cpp
@@ -212,6 +212,10 @@ void logsInit() {
 	}
 	cForceWorkingDir(QDir(cWorkingDir()).absolutePath() + '/');
 
+	if (QFile(cWorkingDir() + qsl("tdata/withtestmode")).exists()) {
+		cSetTestMode(true);
+		LOG(("Switched to test mode!"));
+	}
 #ifdef Q_OS_WIN
 	if (cWorkingDir() == psAppDataPath()) { // fix old "Telegram Win (Unofficial)" version
 		moveOldDataFiles(psAppDataPathOld());
diff --git a/Telegram/SourceFiles/settings.cpp b/Telegram/SourceFiles/settings.cpp
index f1766b43e..2624048c7 100644
--- a/Telegram/SourceFiles/settings.cpp
+++ b/Telegram/SourceFiles/settings.cpp
@@ -127,8 +127,8 @@ void settingsParseArgs(int argc, char *argv[]) {
 	gExeDir = psCurrentExeDirectory(argc, argv);
 	gExeName = psCurrentExeName(argc, argv);
     for (int32 i = 0; i < argc; ++i) {
-		if (string("-release") == argv[i]) {
-			gTestMode = false;
+		if (string("-testmode") == argv[i]) {
+			gTestMode = true;
 		} else if (string("-debug") == argv[i]) {
 			gDebug = true;
 		} else if (string("-many") == argv[i]) {
diff --git a/Telegram/SourceFiles/settings.h b/Telegram/SourceFiles/settings.h
index 11b8189d3..ee171e7aa 100644
--- a/Telegram/SourceFiles/settings.h
+++ b/Telegram/SourceFiles/settings.h
@@ -31,15 +31,6 @@ inline void cSetDebug(bool debug) {
 	gDebug = debug;
 }
 
-extern bool gTestMode;
-inline bool cTestMode() {
-#ifdef _DEBUG
-	return gTestMode;
-#else
-	return false;
-#endif
-}
-
 #define DeclareReadSetting(Type, Name) extern Type g##Name; \
 inline const Type &c##Name() { \
 	return g##Name; \
@@ -50,6 +41,7 @@ inline void cSet##Name(const Type &Name) { \
 	g##Name = Name; \
 }
 
+DeclareSetting(bool, TestMode);
 DeclareSetting(QString, LoggedPhoneNumber);
 DeclareReadSetting(uint32, ConnectionsInSession);
 DeclareSetting(bool, AutoStart);
diff --git a/Telegram/Telegram.plist b/Telegram/Telegram.plist
index 7ca2e3409..d2dbf3248 100644
--- a/Telegram/Telegram.plist
+++ b/Telegram/Telegram.plist
@@ -11,7 +11,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.7.8</string>
+	<string>0.7.9</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>
diff --git a/Telegram/Telegram.rc b/Telegram/Telegram.rc
index 633d4c91f..4da0f0137 100644
Binary files a/Telegram/Telegram.rc and b/Telegram/Telegram.rc differ
diff --git a/Telegram/Telegram.xcodeproj/project.pbxproj b/Telegram/Telegram.xcodeproj/project.pbxproj
index 489f86e30..485f36b48 100644
--- a/Telegram/Telegram.xcodeproj/project.pbxproj
+++ b/Telegram/Telegram.xcodeproj/project.pbxproj
@@ -1627,7 +1627,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 0.7.8;
+				CURRENT_PROJECT_VERSION = 0.7.9;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -1645,7 +1645,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				COPY_PHASE_STRIP = YES;
-				CURRENT_PROJECT_VERSION = 0.7.8;
+				CURRENT_PROJECT_VERSION = 0.7.9;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_OPTIMIZATION_LEVEL = fast;
 				GCC_PREFIX_HEADER = ./SourceFiles/stdafx.h;
@@ -1671,10 +1671,10 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 0.7.8;
+				CURRENT_PROJECT_VERSION = 0.7.9;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DYLIB_COMPATIBILITY_VERSION = 0.7;
-				DYLIB_CURRENT_VERSION = 0.7.8;
+				DYLIB_CURRENT_VERSION = 0.7.9;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
@@ -1814,10 +1814,10 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 0.7.8;
+				CURRENT_PROJECT_VERSION = 0.7.9;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				DYLIB_COMPATIBILITY_VERSION = 0.7;
-				DYLIB_CURRENT_VERSION = 0.7.8;
+				DYLIB_CURRENT_VERSION = 0.7.9;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
diff --git a/Telegram/Version.sh b/Telegram/Version.sh
index 126b22118..22bbf923c 100755
--- a/Telegram/Version.sh
+++ b/Telegram/Version.sh
@@ -1,2 +1,2 @@
-echo 7008 0.7.8
+echo 7009 0.7.9