diff --git a/Inc/FirmwareLoader.h b/Inc/FirmwareLoader.h
index a7a6751..f35b9ed 100644
--- a/Inc/FirmwareLoader.h
+++ b/Inc/FirmwareLoader.h
@@ -9,15 +9,11 @@
 #include "stdbool.h"
 #include "assert.h"
 
-#define FIRMWARE_META_LENGTH (2048)
+#define FIRMWARE_META_LENGTH (256)
 
 
 typedef struct {
-    uint32_t *size;
     uint32_t *crc;
-
-    uint8_t *nameLength;
-    uint8_t *name;
 } tFirmwareLoaderMetaMap;
 
 typedef struct {
diff --git a/Src/FirmwareLoader.c b/Src/FirmwareLoader.c
index d4c1517..684dd3c 100644
--- a/Src/FirmwareLoader.c
+++ b/Src/FirmwareLoader.c
@@ -7,24 +7,18 @@
 #include "stdint.h"
 #include "BootJump.h"
 
-void FirmwareLoader_MapMetadata(tFirmwareBlock *block) {
-//    block->metadata.crc = (uint32_t *) (block->metadataMem + 0);
-    block->metadata.crc = (uint32_t *) (block->metadataMem + FIRMWARE_META_LENGTH - 4);
-    block->metadata.size = (uint32_t *) (block->metadataMem + 4);
-
-    block->metadata.nameLength = (uint8_t *) (block->metadataMem + 8);
-    block->metadata.name = (uint8_t *) (block->metadataMem + 9);
-}
 
 void FirmwareLoader_Init(tFirmwareLoader *env, uint32_t fwSize, uint32_t mainFwAddr, uint32_t updateFwAddr) {
     env->fwSize = fwSize;
     env->main.address = mainFwAddr;
     env->update.address = updateFwAddr;
 
+
     env->metadataOffset = fwSize - FIRMWARE_META_LENGTH;
 
-    FirmwareLoader_MapMetadata(&env->main);
-    FirmwareLoader_MapMetadata(&env->update);
+    env->main.metadata.crc = (uint32_t *) (env->main.metadataMem + FIRMWARE_META_LENGTH - 4);
+    env->update.metadata.crc = (uint32_t *) (env->update.metadataMem + FIRMWARE_META_LENGTH - 4);
+
 }
 
 void FirmwareLoader_LoadMetadata(tFirmwareLoader *env, tFirmwareBlock *block) {
@@ -117,32 +111,23 @@ uint32_t UdsCrc32Finalize(uint32_t crc) {
 bool FirmwareLoader_CheckBlock(tFirmwareLoader *env, tFirmwareBlock *block) {
     FirmwareLoader_LoadMetadata(env, block);
 
-    if ((*block->metadata.size <= env->metadataOffset + FIRMWARE_META_LENGTH - 4) && (*block->metadata.size > 0)) {
-
-        uint32_t calcCrc = UdsCrc32Update(0xFFFFFFFF, (uint8_t *) block->address, *block->metadata.size);
-        calcCrc = UdsCrc32Finalize(calcCrc);
-
-        if (calcCrc == *block->metadata.crc) {
-            return true;
-        }
+    uint32_t calcCrc = UdsCrc32Update(0xFFFFFFFF, (uint8_t *) block->address, env->fwSize - 4);
+    calcCrc = UdsCrc32Finalize(calcCrc);
 
+    if (calcCrc == *block->metadata.crc) {
+        return true;
     }
 
+
     return false;
 }
 
 
 bool FirmwareLoader_IsUpdateAndMainAreDifferent(tFirmwareLoader *env) {
-    //meta data must be loaded first with FirmwareLoader_LoadMetadata
-    //метаданные должны быть подгружены заранее с использованием FirmwareLoader_LoadMetadata
-
-    bool sameNames =
-            (*env->main.metadata.nameLength == *env->update.metadata.nameLength) &&
-            memcmp(env->main.metadata.name, env->update.metadata.name, *env->update.metadata.nameLength) == 0;
 
     bool sameSrc = *env->main.metadata.crc == *env->update.metadata.crc;
 
-    return !sameSrc || !sameNames;
+    return !sameSrc;
 }
 
 bool FirmwareLoader_CheckUpdate(tFirmwareLoader *env) {
@@ -171,7 +156,7 @@ bool FirmwareLoader_IsLoadUpdate(tFirmwareLoader *env) {
 bool FirmwareLoader_CheckAndUpdate(tFirmwareLoader *env) {
 
     //если обновление есть (оно валидно) и глная прошивка битая или отличаеться от обновления
-    if(FirmwareLoader_IsLoadUpdate(env)){
+    if (FirmwareLoader_IsLoadUpdate(env)) {
         //то гурзим обновление в основню область памяти
         FirmwareLoader_CopyUpdateToMain(env);
     }
@@ -200,6 +185,7 @@ static bool FirmwareLoader_DumpUpdateMetadata(tFirmwareLoader *env) {
     return FirmwareLoader_WriteUpdatePortion(env, env->metadataOffset, env->update.metadataMem, FIRMWARE_META_LENGTH);
 }
 
+/*
 bool FirmwareLoader_PrepareNewUpdate(
         tFirmwareLoader *env, uint32_t size, uint32_t crc, uint8_t *name, uint8_t nameLen
 ) {
@@ -214,4 +200,5 @@ bool FirmwareLoader_PrepareNewUpdate(
     memcpy(env->update.metadata.name, name, nameLen);
 
     return FirmwareLoader_DumpUpdateMetadata(env);
-}
\ No newline at end of file
+}
+ */
\ No newline at end of file