diff --git a/README.md b/README.md
index 95fbf4cc..f877aafd 100644
--- a/README.md
+++ b/README.md
@@ -45,9 +45,9 @@ In other cases you can contact the developer via email: <img src="https://raw.gi
 
 
 
-##### 6.7.1 Image Processing in Memory - (2021-04-30)
+##### 6.7.1 Image Processing in Memory - (2021-01-05)
 
-* NEW 6.7.1: Improved stability of camera (as of v6.6.1)
+* NEW 6.7.1: Improved stability of camera (back to v6.6.1) - remove black strips and areas
 
 * Upgrade digital CNN to v8.3.0  (added new type of digits)
 
@@ -155,4 +155,4 @@ There are some ideas and feature request, which are not followed currently - mai
 
 ## Solved topics
 
-* n.a.
+* n.a.
\ No newline at end of file
diff --git a/code/main/version.cpp b/code/main/version.cpp
index 974f7ebc..60c6a4b2 100644
--- a/code/main/version.cpp
+++ b/code/main/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="ce5f3c4";
+const char* GIT_REV="a45a529";
 const char* GIT_TAG="";
-const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2021-05-01 17:30";
\ No newline at end of file
+const char* GIT_BRANCH="master";
+const char* BUILD_TIME="2021-05-01 17:42";
\ No newline at end of file
diff --git a/code/main/version.h b/code/main/version.h
index b7754787..130b1a62 100644
--- a/code/main/version.h
+++ b/code/main/version.h
@@ -13,7 +13,7 @@ extern "C"
 #include "Helper.h"
 #include <fstream>
 
-const char* GIT_BASE_BRANCH = "master - v6.7.1 - 2020-04-30";
+const char* GIT_BASE_BRANCH = "master - v6.7.1 - 2020-01-05";
 
 
 const char* git_base_branch(void)
diff --git a/code/version.cpp b/code/version.cpp
index 974f7ebc..60c6a4b2 100644
--- a/code/version.cpp
+++ b/code/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="ce5f3c4";
+const char* GIT_REV="a45a529";
 const char* GIT_TAG="";
-const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2021-05-01 17:30";
\ No newline at end of file
+const char* GIT_BRANCH="master";
+const char* BUILD_TIME="2021-05-01 17:42";
\ No newline at end of file
diff --git a/firmware/bootloader.bin b/firmware/bootloader.bin
index dbd483e6..3358d19c 100644
Binary files a/firmware/bootloader.bin and b/firmware/bootloader.bin differ
diff --git a/firmware/firmware.bin b/firmware/firmware.bin
index bdeef846..9405f80c 100644
Binary files a/firmware/firmware.bin and b/firmware/firmware.bin differ