diff --git a/Firmware/Configuration.h b/Firmware/Configuration.h
index f1afb861..edf1a3c8 100644
--- a/Firmware/Configuration.h
+++ b/Firmware/Configuration.h
@@ -19,7 +19,7 @@ extern PGM_P sPrinterName;
 #define FW_MAJOR 3
 #define FW_MINOR 11
 #define FW_REVISION 1
-//#define FW_FLAVOR RC      //uncomment if DEBUG, DEVEL, APLHA, BETA or RC
+//#define FW_FLAVOR RC      //uncomment if DEBUG, DEVEL, ALPHA, BETA or RC
 //#define FW_FLAVERSION 1     //uncomment if FW_FLAVOR is defined and versioning is needed.
 #ifndef FW_FLAVOR
     #define FW_VERSION STR(FW_MAJOR) "." STR(FW_MINOR) "." STR(FW_REVISION)
diff --git a/MK404-build.sh b/MK404-build.sh
index a4368b4e..da44b5bc 100755
--- a/MK404-build.sh
+++ b/MK404-build.sh
@@ -10,7 +10,7 @@
 # 3. Install latest updates with 'sudo apt-get upgrade'
 # 
 #
-# Version: 1.0.0-Build_14
+# Version: 1.0.0-Build_18
 # Change log:
 # 11 Feb 2021, 3d-gussner, Inital
 # 11 Feb 2021, 3d-gussner, Optional flags to check for updates
@@ -22,8 +22,9 @@
 # 18 Jun 2021, 3d-gussner, Added -g 3 and 4 for more details extrusion lines
 # 18 Jun 2021, 3d-gussner, Check for updates is default. Fix update if internet connection is lost.
 # 21 Jun 2021, 3d-gussner, Change board_flash argument to 'y' and firmware_version to 'f'
-# 25 Jan 2021, 3d-gussner, Allow upper and lower case in selection
+# 25 Jan 2022, 3d-gussner, Allow upper and lower case in selection
 #                          Add update option to release OR devel
+# 01 Jul 2022, 3d-gussner, Limit atmegaMK404 boards mem to 8,16,32
 
 #### Start: Failures
 failures()
@@ -35,7 +36,7 @@ case "$1" in
     4) echo "$(tput setaf 1)Some packages are missing please install these!$(tput sgr0)" ; exit 4 ;;
     5) echo "$(tput setaf 1)Wrong printer chosen.$(tput sgr0) Following Printers are supported: MK25, MK25S, MK3 and MK3S" ; exit 5 ;;
     6) echo "$(tput setaf 1)Unsupported board flash size chosen.$(tput sgr0) Only '256', '384', '512', '1024' and '32M' are allowed." ; exit 6 ;;
-    7) echo "$(tput setaf 1)Unsupported board mem size chosen.$(tput sgr0) Only '8', '16', '32' and '64' are allowed." ; exit 7 ;;
+    7) echo "$(tput setaf 1)Unsupported board mem size chosen.$(tput sgr0) Only '8', '16' and '32' are allowed." ; exit 7 ;;
     8) echo "$(tput setaf 1)No firmware version file selected!$(tput sgr0)" ; echo "Add argument -f with path and hex filename to start MK404" ; exit 8 ;;
     9) echo "$(tput setaf 1)Tried to determine MK404 printer from hex file, but failed!$(tput sgr0)" ; "Add argument -p with 'MK25', 'MK25S', 'MK3' or 'MK3S' to start MK404" ; exit 9 ;;
     10) echo "$(tput setaf 1)Missing printer$(tput sgr0)" ; exit 10 ;;
@@ -76,7 +77,7 @@ while getopts c:f:g:m:n:p:u:x:y:?h flag
 # '?' 'h' argument usage and help
 if [ "$help_flag" == "1" ] ; then
 echo "***************************************"
-echo "* MK404-build.sh Version: 1.0.0-Build_14 *"
+echo "* MK404-build.sh Version: 1.0.0-Build_18 *"
 echo "***************************************"
 echo "Arguments:"
 echo "$(tput setaf 2)-c$(tput sgr0) Check for update"
@@ -101,7 +102,7 @@ echo "  -m : '$(tput setaf 2)0$(tput sgr0)' no, '$(tput setaf 2)1$(tput sgr0)' y
 echo "  -n : '$(tput setaf 2)0$(tput sgr0)' no, '$(tput setaf 2)1$(tput sgr0)' yes"
 echo "  -p : '$(tput setaf 2)MK25$(tput sgr0)', '$(tput setaf 2)MK25S$(tput sgr0)', '$(tput setaf 2)MK3$(tput sgr0)' or '$(tput setaf 2)MK3S$(tput sgr0)'"
 echo "  -u : '$(tput setaf 2)0$(tput sgr0)' no, '$(tput setaf 2)1$(tput sgr0)' release ', '$(tput setaf 2)2$(tput sgr0)' devel '"
-echo "  -x : '$(tput setaf 2)8$(tput sgr0)',$(tput setaf 2)16$(tput sgr0)',$(tput setaf 2)32$(tput sgr0)' or '$(tput setaf 2)64$(tput sgr0)' Kb."
+echo "  -x : '$(tput setaf 2)8$(tput sgr0)',$(tput setaf 2)16$(tput sgr0)' or $(tput setaf 2)32$(tput sgr0)' Kb."
 echo "  -y : '$(tput setaf 2)256$(tput sgr0)','$(tput setaf 2)384$(tput sgr0)','$(tput setaf 2)512$(tput sgr0)','$(tput setaf 2)1024$(tput sgr0)''$(tput setaf 2)32M$(tput sgr0)'"
 echo
 echo "Example:"
@@ -160,9 +161,6 @@ if [ ! -z "$board_mem_flag" ] ; then
     elif [ "$board_mem_flag" == "32" ] ; then
         BOARD_MEM="0x7DFF"
         echo "Board mem size   :    $board_mem_flag Kb, $BOARD_MEM (hex)"
-    elif [ "$board_mem_flag" == "64" ] ; then
-        BOARD_MEM="0xFFFF"
-        echo "Board mem size   :    $board_mem_flag Kb, $BOARD_MEM (hex)"
     else
         failures 7
     fi
diff --git a/PF-build.sh b/PF-build.sh
index deed646c..4396f7f2 100755
--- a/PF-build.sh
+++ b/PF-build.sh
@@ -56,7 +56,7 @@
 #   Some may argue that this is only used by a script, BUT as soon someone accidentally or on purpose starts Arduino IDE
 #   it will use the default Arduino IDE folders and so can corrupt the build environment.
 #
-# Version: 2.0.2-Build_69
+# Version: 2.0.2-Build_80
 # Change log:
 # 12 Jan 2019, 3d-gussner, Fixed "compiler.c.elf.flags=-w -Os -Wl,-u,vfprintf -lprintf_flt -lm -Wl,--gc-sections" in 'platform.txt'
 # 16 Jan 2019, 3d-gussner, Build_2, Added development check to modify 'Configuration.h' to prevent unwanted LCD messages that Firmware is unknown
@@ -177,8 +177,12 @@
 #                          Fix DEV_STATUS to set correctly on RC/BETA/ALPHA/DEVEL
 #                          Fix atmegaMK404 Board mem and flash modifications
 #                          Limit atmegaMK404 boards mem to 8,16,32
-# 20 Jun 2022, 3d-gussner, Change to Ardunio_boards v 1.0.5-1
-
+# 20 Jun 2022, 3d-gussner, Change to Ardunio_boards v1.0.5-1
+# 20 Jun 2022, wavexx    , New PO-based language translation support
+# 20 Jun 2022, 3d-gussner, fix Mk2.5/S zip after change PO-based language translation support
+# 06 Jul 2022, 3d-gussner, Change to v1.0.8 and Ardunio_boards v1.0.5-2
+# 06 Jul 2022, 3d-gussner, Fix branch check
+# 12 Jul 2022, 3d-gussner, Check if FW_FLAVAVOR and FW_FLAVERSION are correct
 
 SCRIPT_PATH="$( cd "$(dirname "$0")" ; pwd -P )"
 export SRCDIR=$SCRIPT_PATH
@@ -202,6 +206,7 @@ case "$1" in
     22) echo "$(tput setaf 1)PF-build.sh has been interrupted/failed. $(tput setaf 6)Restoring 'config.h'$(tput sgr0)" ; if [ $OUTPUT == "1" ] ; then sleep 5 ; fi ;;
     24) echo "$(tput setaf 1)PF-build.sh stopped due to compiling errors! Try to restore modified files.$(tput sgr0)"; check_script_failed_nr1 ; check_script_failed_nr2 ; cleanup_firmware ; exit 24 ;;
     25) echo "$(tput setaf 1)Failed to execute $(tput sgr0)" ; exit 25 ;;
+    26) echo "$(tput setaf 1)FW_FLAVAVOR or FW_FLAVERSION commented out in 'Firmware/Configuration.h'$(tput sgr0)"; check_script_failed_nr1 ; check_script_failed_nr2 ; cleanup_firmware ; exit 26 ;;
 esac
 }
 #### End: Failures
@@ -235,7 +240,7 @@ while getopts b:c:d:g:h:i:j:l:m:n:o:p:v:x:y:?h flag
 # '?' 'h' argument usage and help
 if [ "$help_flag" == "1" ] ; then
 echo "***************************************"
-echo "* PF-build.sh Version: 2.0.2-Build_69 *"
+echo "* PF-build.sh Version: 2.0.2-Build_80 *"
 echo "***************************************"
 echo "Arguments:"
 echo "$(tput setaf 2)-b$(tput sgr0) Build/commit number"
@@ -261,7 +266,7 @@ echo "  -b : '$(tput setaf 2)Auto$(tput sgr0)' needs git or a number"
 echo "  -c : '$(tput setaf 2)0$(tput sgr0)' clean up, '$(tput setaf 2)1$(tput sgr0)' keep"
 echo "  -d : '$(tput setaf 2)GOLD$(tput sgr0)', '$(tput setaf 2)RC$(tput sgr0)', '$(tput setaf 2)BETA$(tput sgr0)', '$(tput setaf 2)ALPHA$(tput sgr0)', '$(tput setaf 2)DEBUG$(tput sgr0)', '$(tput setaf 2)DEVEL$(tput sgr0)' and '$(tput setaf 2)UNKNOWN$(tput sgr0)'"
 echo "  -g : '$(tput setaf 2)0$(tput sgr0)' no '$(tput setaf 2)1$(tput sgr0)' lite '$(tput setaf 2)2$(tput sgr0)' fancy  '$(tput setaf 2)3$(tput sgr0)' lite  with Quad_HR '$(tput setaf 2)4$(tput sgr0)' fancy with Quad_HR"
-echo "  -i : '$(tput setaf 2)1.8.5$(tput sgr0)', '$(tput setaf 2)1.8.13$(tput sgr0)', '$(tput setaf 2)1.8.19$(tput sgr0)'"
+echo "  -i : '$(tput setaf 2)1.8.5$(tput sgr0)', '$(tput setaf 2)1.8.19$(tput sgr0)'"
 echo "  -j : '$(tput setaf 2)0$(tput sgr0)' no, '$(tput setaf 2)1$(tput sgr0)' yes"
 echo "  -l : '$(tput setaf 2)ALL$(tput sgr0)' for multi language or '$(tput setaf 2)EN_ONLY$(tput sgr0)' for English only"
 echo "  -m : '$(tput setaf 2)0$(tput sgr0)' no, '$(tput setaf 2)1$(tput sgr0)' yes '$(tput setaf 2)2$(tput sgr0)' with MMU2"
@@ -353,7 +358,7 @@ fi
 
 #Start: Check if Arduino IDE version is correct
 if [ ! -z "$IDE_flag" ]; then
-    if [[ "$IDE_flag" == "1.8.5" || "$IDE_flag" == "1.8.13" || "$IDE_flag" == "1.8.19" ]]; then
+    if [[ "$IDE_flag" == "1.8.5" || "$IDE_flag" == "1.8.19" ]]; then
         ARDUINO_ENV="${IDE_flag}"
     else
         ARDUINO_ENV="1.8.19"
@@ -542,11 +547,11 @@ fi
 #### Start: Set build environment 
 set_build_env_variables()
 {
-BUILD_ENV="1.0.7"
+BUILD_ENV="1.0.8"
 BOARD="prusa_einsy_rambo"
 BOARD_PACKAGE_NAME="PrusaResearch"
 if [ "$ARDUINO_ENV" == "1.8.19" ]; then
-    BOARD_VERSION="1.0.5-1"
+    BOARD_VERSION="1.0.5-2"
 else
     BOARD_VERSION="1.0.4"
 fi
@@ -925,7 +930,6 @@ fi
 #Check if Build is selected via argument '-b'
 if [ ! -z "$build_flag" ] ; then
     if [[ "$build_flag" == "Auto" && "$git_available" == "1" ]] ; then
-        echo "Build changed to $build_flag"
         BUILD=$(git rev-list --count HEAD)
     elif [[ $build_flag =~ ^[0-9]+$ ]] ; then
         BUILD=$build_flag
@@ -934,27 +938,26 @@ if [ ! -z "$build_flag" ] ; then
         echo "Only $(tput setaf 2)'Auto' (git needed) or numbers $(tput sgr0) are allowed as build '-b' argument!$(tput sgr0)"
         failures 5
     fi
-    echo "New Build number is: $BUILD"
 fi
 
 #Check git branch has changed
 if [ ! -z "git_available" ]; then
-    BRANCH=""
-    CLEAN_PF_FW_BUILD=0
-else
     BRANCH=$(git branch --show-current)
     echo "Current branch is:" $BRANCH
     if [ ! -f "$SCRIPT_PATH/../PF-build.branch" ]; then
-        echo "$BRANCH" >| $SCRIPT_PATH/../PF-build.branch
+        #echo "$BRANCH" >| $SCRIPT_PATH/../PF-build.branch
         echo "created PF-build.branch file"
     else
         PRE_BRANCH=$(cat "$SCRIPT_PATH/../PF-build.branch")
-        echo "Previous branch was:" $PRE_BRANCH
+        #echo "Previous branch was:" $PRE_BRANCH
         if [ ! "$BRANCH" == "$PRE_BRANCH" ] ; then
             CLEAN_PF_FW_BUILD=1
             echo "$BRANCH" >| $SCRIPT_PATH/../PF-build.branch
         fi
     fi
+else
+    BRANCH=""
+    CLEAN_PF_FW_BUILD=0
 fi
 }
 #### End: Getting arguments for command line compiling
@@ -1018,20 +1021,27 @@ prepare_code_for_compiling()
     MOTHERBOARD=$(grep --max-count=1 "\bMOTHERBOARD\b" $SCRIPT_PATH/Firmware/variants/$VARIANT.h | sed -e's/  */ /g' |cut -d ' ' -f3)
     # Check development status
     FW_FLAV=$(grep --max-count=1 "//#define FW_FLAVOR\b" $SCRIPT_PATH/Firmware/Configuration.h|cut -d ' ' -f1)
+    FW_FLAVREV=$(grep --max-count=1 "//#define FW_FLAVERSION\b" $SCRIPT_PATH/Firmware/Configuration.h|cut -d ' ' -f1)
+    if [[ "$FW_FLAV" == "//#define" && -z $FW_FLAVREV ]];then
+        failures 26
+    fi
     #echo "FLAV:$FW_FLAV"
     if [[ "$FW_FLAV" != "//#define" ]] ; then
         FW_FLAVOR=$(grep --max-count=1 "\bFW_FLAVOR\b" $SCRIPT_PATH/Firmware/Configuration.h| sed -e's/  */ /g'|cut -d ' ' -f3)
         #echo "FLAVOR:$FW_FLAVOR"
-        FW_FLAVERSION=$(grep --max-count=1 "\bFW_FLAVERSION\b" $SCRIPT_PATH/Firmware/Configuration.h| sed -e's/  */ /g'|cut -d ' ' -f3)
-        if [[ "$FW_FLAVOR" != "//#define FW_FLAVOR" ]] ; then
+        if [[ "$FW_FLAVREV" != "//#define" ]] ; then
+            FW_FLAVERSION=$(grep --max-count=1 "\bFW_FLAVERSION\b" $SCRIPT_PATH/Firmware/Configuration.h| sed -e's/  */ /g'|cut -d ' ' -f3)
             FW="$FW-$FW_FLAVOR"
             DEV_CHECK="$FW_FLAVOR"
-            #echo "DEV:$DEV_CHECK"
+            echo "DEV:$DEV_CHECK"
             if [ ! -z "$FW_FLAVERSION" ] ; then
                 FW="$FW$FW_FLAVERSION"
             fi
+        else
+            failures 26
         fi
     fi
+    #DEV_CHECK=$(grep --max-count=1 "\bFW_VERSION\b" $SCRIPT_PATH/Firmware/Configuration.h | sed -e's/  */ /g'|cut -d '"' -f2|sed 's/\.//g'|cut -d '-' -f2)
     if [ -z "$DEV_STATUS_SELECTED" ] ; then
         if [[ "$DEV_CHECK" == *"RC"* ]] ; then
             DEV_STATUS="RC"
@@ -1155,7 +1165,7 @@ prepare_variant_for_compiling()
     fi
 
     #Prepare Configuration.h to use the correct FW_DEV_VERSION to prevent LCD messages when connecting with OctoPrint
-    sed -i -- "s/#define FW_DEV_VERSION FW_VERSION_UNKNOWN/#define FW_DEV_VERSION FW_VERSION_$DEV_STATUS/g" $SCRIPT_PATH/Firmware/Configuration.h
+    sed -i -- "s/#define FW_DEV_VERSION FW_VERSION_.*/#define FW_DEV_VERSION FW_VERSION_$DEV_STATUS/g" $SCRIPT_PATH/Firmware/Configuration.h
 
     # set FW_REPOSITORY
     sed -i -- 's/#define FW_REPOSITORY "Unknown"/#define FW_REPOSITORY "Prusa3d"/g' $SCRIPT_PATH/Firmware/Configuration.h
@@ -1345,10 +1355,10 @@ create_multi_firmware()
             cp -f $BUILD_PATH/Firmware.ino.elf $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME.elf
         else
             #Search for created firmware languages
-            langs=$(find firmware_*.hex | cut -d "_" -f2 | cut -d "." -f1)
+            langs=$(find Firmware-intl-en_*.hex | cut -d "_" -f2 | cut -d "." -f1)
             #Copy found firmware_*.hex files 
                 for la in $langs; do
-                    cp -f firmware_$la.hex $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME-$la.hex
+                    cp -f Firmware-intl-en_$la.hex $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME-$la.hex
                 done
             cp -f $BUILD_PATH/Firmware.ino.elf $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME.elf
             echo "$(tput setaf 2)Zip multi language firmware for MK2.5/miniRAMbo board to PF-build-hex folder$(tput sgr 0)"
@@ -1356,12 +1366,7 @@ create_multi_firmware()
                 zip a $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME.zip $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME-??.hex
                 #rm $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME-??.hex
             elif [ $TARGET_OS == "linux" ]; then
-                # Make a copy for MK404 sim of MK2, MK2.5, MK2.5S firmware
-                if [ ! -z "$mk404_flag" ]; then
-                    cp -f firmware_de.hex $SCRIPT_PATH/../$OUTPUT_FOLDER/$OUTPUT_FILENAME.hex
-                fi
-                # End of MK2, MK2.5, MK2.5S firmware copy
-            zip -j ../../$OUTPUT_FOLDER/$OUTPUT_FILENAME.zip ../../$OUTPUT_FOLDER/$OUTPUT_FILENAME-??.hex
+                zip -j ../../$OUTPUT_FOLDER/$OUTPUT_FILENAME.zip ../../$OUTPUT_FOLDER/$OUTPUT_FILENAME-??.hex
             fi
         fi
 
@@ -1390,7 +1395,9 @@ save_en_firmware()
 cleanup_firmware()
 {
     if [[ -z "$prusa_flag" || "$prusa_flag" == "0" ]]; then
-        rm $SCRIPT_PATH/Firmware/Configuration_prusa.h || failures 13
+        if [ -e "$SCRIPT_PATH/Firmware/Configuration_prusa.h" ]; then
+            rm $SCRIPT_PATH/Firmware/Configuration_prusa.h || failures 13
+        fi
     fi
     # Delete dupblicates
     if find $SCRIPT_PATH/lang/ -name '*RAMBo10a*.txt' -printf 1 -quit | grep -q 1
@@ -1417,8 +1424,8 @@ cleanup_firmware()
     fi
 
     # Restore files to previous state
-    sed -i -- "s/^#define FW_DEV_VERSION FW_VERSION_$DEV_STATUS/#define FW_DEV_VERSION FW_VERSION_UNKNOWN/g" $SCRIPT_PATH/Firmware/Configuration.h
-    sed -i -- 's/^#define FW_REPOSITORY "Prusa3d"/#define FW_REPOSITORY "Unknown"/g' $SCRIPT_PATH/Firmware/Configuration.h
+    sed -i -- "s/^#define FW_DEV_VERSION FW_VERSION_.*/#define FW_DEV_VERSION FW_VERSION_UNKNOWN/g" $SCRIPT_PATH/Firmware/Configuration.h
+    sed -i -- 's/^#define FW_REPOSITORY.*/#define FW_REPOSITORY "Unknown"/g' $SCRIPT_PATH/Firmware/Configuration.h
     if [ ! -z "$BUILD_ORG" ] ; then
         sed -i -- "s/^#define FW_COMMIT_NR.*/#define FW_COMMIT_NR $BUILD_ORG/g" $SCRIPT_PATH/Firmware/Configuration.h
     fi
@@ -1442,11 +1449,11 @@ cleanup_firmware()
     fi
 
     # Restore build env files to previous state
-    if [ $BOARD_MEM_MODIFIED == "1" ]; then
+    if [ "$BOARD_MEM_MODIFIED" == "1" ]; then
         sed -i -- "s/^#define FLASHEND .*$/#define FLASHEND        0x3FFFF/g" $BUILD_ENV_PATH/hardware/tools/avr/avr/include/avr/iom2560.h
         echo "$(tput setaf 2)Restored Board Mem$(tput sgr 0)"
     fi
-    if [ $BOARD_FLASH_MODIFIED == "1" ]; then
+    if [ "$BOARD_FLASH_MODIFIED" == "1" ]; then
         sed -i -- "s/^prusa_einsy_rambo.upload.maximum_size.*/prusa_einsy_rambo.upload.maximum_size=253952/g" $BUILD_ENV_PATH/portable/packages/$BOARD_PACKAGE_NAME/hardware/avr/$BOARD_VERSION/boards.txt
         sed -i -- "s/^#define RAMEND.*/#define RAMEND          0x21FF/g" $BUILD_ENV_PATH/hardware/tools/avr/avr/include/avr/iom2560.h
         echo "$(tput setaf 2)Restored Board Flash$(tput sgr 0)"