diff --git a/src/colnod/colnodapi.cpp b/src/colnod/colnodapi.cpp
index 1433581..279b38f 100644
--- a/src/colnod/colnodapi.cpp
+++ b/src/colnod/colnodapi.cpp
@@ -39,7 +39,7 @@ void ColnodAPI::downloadData(const Timestamp &time)
             if (!checkRequest(request)) {
                 qWarning(colnod) << "ERROR during calling" << request->url() << ", request unsuccessful";
                 mValid = false;
-                emit downloadDataFinished(nullptr);
+                emit downloadDataFinished(nullptr);  // TODO: think about it, will the other if passed?
             }
             else if (!checkResponse(request->responseData())) {
                 qWarning(colnod) << "Data from" << request->url() << "are invalid";
diff --git a/src/colnod/colnodapi.h b/src/colnod/colnodapi.h
index 68ed360..f96d2f0 100644
--- a/src/colnod/colnodapi.h
+++ b/src/colnod/colnodapi.h
@@ -51,7 +51,7 @@ public:
     ColnodAPI(serversdk::RequestManager* reqManconst, const bool &dryMode = false, const QString &userName = "spaceti", const QString &password = "spaceti1");
 
     void downloadData(const Timestamp &time);
-    void processData(const std::shared_ptr<Data> &data);
+    bool processData(const std::shared_ptr<Data> &data);
 
     // New approach
     std::shared_ptr<serversdk::Request> requestLogin();
diff --git a/src/colnod/syncmanager.cpp b/src/colnod/syncmanager.cpp
index cb537e1..6c2a823 100644
--- a/src/colnod/syncmanager.cpp
+++ b/src/colnod/syncmanager.cpp
@@ -49,10 +49,6 @@ bool SyncManager::startSynchronization()
     qInfo(syncmanager) << equals;
     qInfo(syncmanager) << "SYNCHRONIZATION BEGIN";
 
-    // TODO: solve this in prepare data
-    database->initNewTokens();
-
-
     // GETTING DATA FROM DATABASE
     auto databaseData = database->downloadData();
     if (!databaseData) {
@@ -82,7 +78,12 @@ bool SyncManager::startSynchronization()
             return;
         }
 
-        // NOT FINISHED scolnod->processData(preparedData->colnodData);
+        if (!colnod->processData(preparedData->colnodData)) {
+            qCritical(syncmanager) << "Not possible to upload data to colnod";
+        }
+        if (!database->processData(preparedData->databaseData)) {
+            qCritical(syncmanager) << "Not possible to upload data to database";
+        }
     });
 
     return true;
diff --git a/src/colnod/syncmanager.h b/src/colnod/syncmanager.h
index 0d2719b..7b78bc0 100644
--- a/src/colnod/syncmanager.h
+++ b/src/colnod/syncmanager.h
@@ -30,7 +30,6 @@ private:
 private:
     void initNewToken(std::shared_ptr<Token> token);
 
-    bool downloadData();
     bool prepareData();
     bool processData();
     void updateLastUpdate(qint64 syncBegin);
@@ -55,12 +54,6 @@ private:
     serversdk::DatabaseManager dbMan;
     Timestamp mlastSync;
 
-    std::shared_ptr<Data> colnodData;
-    std::shared_ptr<Data> databaseData;
-
-    std::shared_ptr<Data> colnodDataToProcess;
-    std::shared_ptr<Data> databaseDataToProcess;
-
     int dataAmount = 0;
     bool mDryMode;