diff --git a/include/utils/FileUtils.h b/include/utils/FileUtils.h
index c3971e1b..a2c82ad4 100644
--- a/include/utils/FileUtils.h
+++ b/include/utils/FileUtils.h
@@ -2,7 +2,8 @@
 #include "EspFileSystem.h"
 #include "Global.h"
 
-extern void writeFileUint8(const String& filename, uint8_t*& payload, size_t length, size_t headerLenth);
+extern void writeFileUint8tFromBuf(const String& filename, uint8_t*& payload, size_t length, size_t headerLenth, size_t bufSize);
+extern void writeFileUint8tByByte(const String& filename, uint8_t*& payload, size_t length, size_t headerLenth);
 extern File seekFile(const String& filename, size_t position = 0);
 extern const String writeFile(const String& filename, const String& str);
 extern const String readFile(const String& filename, size_t max_size);
diff --git a/src/StandWebServer.cpp b/src/StandWebServer.cpp
index 1547472b..a2c834ca 100644
--- a/src/StandWebServer.cpp
+++ b/src/StandWebServer.cpp
@@ -226,7 +226,7 @@ void webSocketEvent(uint8_t num, WStype_t type, uint8_t* payload, size_t length)
             }
 
             if (headerStr == "/gifnoc") {
-                writeFileUint8("config.json", payload, length, headerLenth);
+                writeFileUint8tFromBuf("config.json", payload, length, headerLenth, 256);
             }
 
         } break;
diff --git a/src/utils/FileUtils.cpp b/src/utils/FileUtils.cpp
index a5319b5d..8df2a97b 100644
--- a/src/utils/FileUtils.cpp
+++ b/src/utils/FileUtils.cpp
@@ -1,10 +1,32 @@
 #include "Utils/FileUtils.h"
 
-void writeFileUint8(const String& filename, uint8_t*& payload, size_t length, size_t headerLenth) {
+//данная функция записывает файл из длинного массива uint8_t через буфер
+void writeFileUint8tFromBuf(const String& filename, uint8_t*& big_buf, size_t length, size_t headerLenth, size_t bufSize) {
     String path = filepath(filename);
     auto file = FileFS.open(path, "w");
     if (!file) {
-        Serial.println(F("failed write file uint8"));
+        Serial.println(F("failed write file uint8tFromBuf"));
+        return;
+    }
+    size_t written{headerLenth};
+    while (length > written) {
+        size_t size = length - written;
+        if (size > bufSize) size = bufSize;
+        uint8_t* p = &big_buf[written];
+        size_t res = file.write(p, size);
+        if (size != res) {
+            break;
+        }
+        written += res;
+    }
+    file.close();
+}
+
+void writeFileUint8tByByte(const String& filename, uint8_t*& payload, size_t length, size_t headerLenth) {
+    String path = filepath(filename);
+    auto file = FileFS.open(path, "w");
+    if (!file) {
+        Serial.println(F("failed write file uint8tByByte"));
         return;
     }
     size_t every = 0;