diff --git a/scripts/version updates/update_meilisearch_to_specific_version.sh b/scripts/version updates/update_meilisearch_to_specific_version.sh
index 436d85e..2147d62 100644
--- a/scripts/version updates/update_meilisearch_to_specific_version.sh	
+++ b/scripts/version updates/update_meilisearch_to_specific_version.sh	
@@ -1,141 +1,271 @@
-## DUMPS
+#!/bin/bash
 
-current_meilisearch_version=$(curl -X GET 'http://localhost:7700/version' --header "X-Meili-API-Key: $MEILISEARCH_MASTER_KEY" -s)
+RED="\033[0;31m"
+BRED="\033[1;31m"
+GREEN="\033[0;32m"
+BGREEN="\033[1;32m"
+YELLOW="\033[0;33m"
+BYELLOW="\033[1;33m"
+BLUE="\033[0;34m"
+BBLUE="\033[1;34m"
+PINK="\033[0;35m"
+BPINK="\033[1;35m"
+CYAN="\033[0;36m"
+BCYAN="\033[1;36m"
+GREY="\033[0;37m"
+BGREY="\033[1;37m"
+WHITE="\033[0m"
+NC="\033[0m"
 
-echo "Current meilisearch version $current_meilisearch_version \n"
+# TODO tout deplacer dans temp file
+# Clear et rollback aux bons endroits
 
-if [ $# -eq 0 ]
-then
-  echo "MeiliSearch Version not provided \n"
-  exit
-fi
+# set -u
 
-## Dump just in case not compatible
-echo "Creation of a dump in case new version does not have compatibility with the current MeiliSearch "
-dump_return=$(curl -X POST 'http://localhost:7700/dumps' --header "X-Meili-API-Key: $MEILISEARCH_MASTER_KEY" -s)
+## Utils Functions 
 
-status_code=$?
-if  [ $status_code -ne 0 ]
-then 
-  echo "Could not create dump: $dump_return"
-  exit
-fi
+previous_version_rollback() {
+  echo "${BRED}MeiliSearch update to $meilisearch_version failed.\nRollbacking to previous version ${BPINK}$current_meilisearch_version ...\n${NC}"
+  mv /tmp/meilisearch /usr/bin/meilisearch
+  echo "${BRED}Recover previous data.ms.${NC}"
+  mv /tmp/data.ms /var/lib/meilisearch/data.ms
+  echo "${BRED}Restarting MeiliSearch.${NC}"
+  systemctl restart meilisearch
+  systemctl_status exit
+  echo "${BRED}MeiliSearch version ${BPINK}$current_meilisearch_version${NC} ${BRED} restarted correctly with its data recovered.${NC}"
+}
+
+systemctl_status() {
+  systemctl status meilisearch | grep -E 'Active: active \(running\)' -q 
+  grep_status_code=$?
+  callback=$1
+  if [ $grep_status_code -ne 0 ]
+  then
+    return $grep_status_code
+    if [ ! -z "$callback" ]
+    then 
+      echo "${BRED}MeiliSearch Service is not Running. Please start MeiliSearch.\n${NC}"
+      $callback
+    fi
+    
+  fi
+  
+}
+
+delete_temporary_files() {
+  local dump_id=$1
+  if [ -f "meilisearch" ] ; then
+      rm meilisearch
+  fi
+  
+  dump_file="/dumps/$dump_id.dump"
+  if [ -f $dump_file ] ; then
+      rm "$dump_file"
+  fi
+
+}
+
+check_args () {
+  if [ $1 -eq 0 ]
+  then
+    echo "${BRED}$2${NC}\n"
+    exit
+  fi
+}
+
+check_last_exit_status () {
+  status=$1
+  message=$2
+  callback_1=$3
+  callback_2=$4
+
+  if [ $status -ne 0 ]
+  then
+    echo "${BRED}$message${NC}\n"
+    if [ ! -z "$callback_1" ]
+    then 
+      ($callback_1)
+    fi
+    if [ ! -z "$callback_2" ]
+    then 
+      ($callback_2)
+    fi
+    exit
+  fi
+}
+
+
+
+## Main Script
+
+#
+# Current Running MeiliSearch Checks
+#
+
+echo "Starting version update of MeiliSearch\n"
 
-dumpid=$(echo $dump_return | cut -d '"' -f 4)
+# Check if MeiliSearch Service is running
+systemctl_status exit
 
-echo  "\n"
+# Check if version argument was provided on script launch
+check_args $# "MeiliSearch Version not provided as arg.\nUsage: sh update_release.sh [vX.X.X]"
 
-until curl -X GET "http://localhost:7700/dumps/$dumpid/status"  --header "X-Meili-API-Key: $MEILISEARCH_MASTER_KEY" -s | grep '"status":"done"'
+# MeiliSearch update version.
+meilisearch_version=$1
+echo "Requested MeiliSearch version: ${BPINK}$meilisearch_version${NC} \n"
+
+# Current MeiliSearch version
+current_meilisearch_version=$( \
+  curl -X GET 'http://localhost:7700/version' --header "X-Meili-API-Key: $MEILISEARCH_MASTER_KEY" -s --show-error \
+  | cut -d '"' -f 12 \
+  )
+
+# Check if curl request was successfull.
+check_last_exit_status $? "Version request 'GET /version' request failed \n"
+  
+
+echo "Current running MeiliSearch version: ${BPINK}$current_meilisearch_version${NC} \n"
+
+
+#
+# Back Up Dump
+#
+
+# Create dump for migration in case of incompatible versions
+echo "Creation of a dump in case new version does not have compatibility with the current MeiliSearch\n"
+dump_return=$(curl -X POST 'http://localhost:7700/dumps' --header "X-Meili-API-Key: $MEILISEARCH_MASTER_KEY" --show-error -s)
+
+# Check if curl request was successfull.
+check_last_exit_status $? "Dump creation 'POST /dumps' request failed \n"
+
+# Get the dump id
+dump_id=$(echo $dump_return | cut -d '"' -f 4)
+
+# Check if curl call succeeded to avoid infinite loop. In case of fail exit and clean
+response=$(curl -X GET "http://localhost:7700/dumps/$dump_id/status" --header "X-Meili-API-Key: $MEILISEARCH_MASTER_KEY" --show-error -s)
+check_last_exit_status $? \
+"Dump status check 'POST /dumps/:dump_id/status' request failed. \n" \
+delete_temporary_files
+
+# Wait for Dump to be created
+until curl -X GET "http://localhost:7700/dumps/$dump_id/status" \
+  --header "X-Meili-API-Key: $MEILISEARCH_MASTER_KEY" --show-error -s \
+  | grep '"status":"done"' -q
 do
   echo "MeiliSearch is still creating the dump \n"
   sleep 2
 done
 
-echo "MeiliSearch finished creating the dump \n"
-## Recuperer la nouvelle version
-meilisearchversion=$1
-echo "Downloading of MeiliSearch version $meilisearchversion \n"
-response=$(curl "https://github.com/meilisearch/MeiliSearch/releases/download/$meilisearchversion/meilisearch-linux-amd64" --output meilisearch --location -s)
-
-status_code=$?
-if  [ $status_code -ne 0 ]
-then 
-  echo "Could not download MeiliSearch: $dump_return \n"
-  rm /dumps/$dumpid.dump
-  rm meilisearch
-  exit
-fi
 
-echo "\n"
+echo "MeiliSearch finished creating the dump: $dump_id \n"
+
+#
+# New MeiliSsarch
+#
+
+# Download MeiliSearch of the right version
+echo "Downloading MeiliSearch version ${BPINK}$meilisearch_version${NC} \n"
+response=$(curl "https://github.com/meilisearch/MeiliSearch/releases/download/$meilisearch_version/meilisearch-linux-amd64" --output meilisearch --location -s --show-error)
+
+check_last_exit_status $? \
+  "Request to download MeiliSearch $meilisearch_version release failed.\n" \
+  delete_temporary_files
+
+# Give read and write access to meilisearch binary
 chmod +x meilisearch
 
+# Check if MeiliSearch binary is not corrupted
 if file meilisearch | grep "ELF 64-bit LSB shared object" -q
 then
-  echo "MeiliSearch binary is valid \n"
+  echo "Successfully downloaded MeiliSearch version $meilisearch_version \n"
 else 
-  echo "MeiliSearch binary could not be downloaded please check if your meilisearch version is valid or re-run the script as maybe github rate limited \n"
-  rm /dumps/$dumpid.dump
-  rm meilisearch
+  echo "${BRED}MeiliSearch binary is corrupted.\
+  It may be due to: \
+  - Invalid version syntax. Provided: $meilisearch_version, expected: vX.X.X. ex: v0.22.0 \
+  - Rate limiting from GitHub${NC} \n"
+  delete_temporary_files
   exit
 fi
 
-echo  "\n"
-sleep 1
 
 ## Stop meilisearch running
 systemctl stop meilisearch # stop le service pour pouvoir changer la version
 
 ## Move le nouveau binaire
-rm /usr/bin/meilisearch
+echo "Keep a temporary copy of previous MeiliSearch \n"
+mv /usr/bin/meilisearch /tmp
+
+echo "Update MeiliSearch version \n"
 cp meilisearch /usr/bin/meilisearch
 
 ## Restart MeiliSearch
 systemctl restart meilisearch
-echo "MeiliSearch is starting"
+echo "MeiliSearch $meilisearch_version is starting. \n"
 
-sleep 1
-echo "\n"
 
-if systemctl status meilisearch | grep -E 'Active: active \(running\)' -q
+if systemctl status meilisearch | grep -E 'Active: active \(running\)qwqww' -q
 then
   echo "Both MeiliSearch versions are compatible. No need to dump. \n"
 else
   echo "MeiliSearch versions are not compatible with each other \n"
 
+  # Stopping MeiliSearch Service
+  echo "Stop MeiliSearch $meilisearch_version service"
   systemctl stop meilisearch
 
-  ## Si pas compatible alors 
-  rm -rf /var/lib/meilisearch/data.ms 
+  # Keep cache of previous data.ms in case of failure
+  echo "Copy data.ms to be able to recover in case of failure"
+  cp -r /var/lib/meilisearch/data.ms /tmp/ 
 
-  ./meilisearch --db-path /var/lib/meilisearch/data.ms --env production --import-dump "/dumps/$dumpid.dump"  --master-key $MEILISEARCH_MASTER_KEY 2> logs &
+  # Remove data.ms
+  echo "Delete MeiliSearch's data.ms"
+  rm -rf /var/lib/meilisearch/data.ms 
 
+  echo "Run local $meilisearch_version binary importing the dump and creating the new data.ms"
+  ./meilisearch --db-path /var/lib/meilisearch/data.ms --env production --import-dump "/dumps/$dump_id.dump"  --master-key $MEILISEARCH_MASTER_KEY 2> logs &
+  
   sleep 1
 
+  # Needed conditions due to bug in MeiliSearch #1701
   if cat logs | grep "Error: No such file or directory (os error 2)" -q
   then 
-    # if dump was empty will panic and stop
-    echo "No data needs to be imported \n"
+    # if dump was empty
+    echo "Empty database! Importing of no data done.\n"
   else
-    echo "MeiliSearch started correctly \n"
-    if ps | grep "meilisearch"
+    echo "Check if local $meilisearch_version started correctly"
+
+    if ps | grep "meilisearch" -q
     then
-      echo "MeiliSearch local binary is running \n"
+      echo "MeiliSearch started successfully and is importing the dumps \n"
     else 
-      echo "MeiliSearch was not started \n"
+      echo "${BRED}MeiliSearch could not start: \n `cat logs`${NC} \n"
+      previous_version_rollback
+      exit
     fi
-    
+
     ## Wait for pending update
-    until curl -X GET 'http://localhost:7700/health' -s
+    until curl -X GET 'http://localhost:7700/health' -s > /dev/null
     do
-    echo "MeiliSearch is still indexing the dump \n"
-    sleep 2
+      echo "MeiliSearch is still indexing the dump \n"
+      sleep 2
     done
-    echo "MeiliSearch is done indexing the dump \n"
 
-    echo "Kill MeilISearch process \n"
-    pkill meilisearch
-  fi
+    echo "MeiliSearch is done indexing the dump.\n"
 
-  echo "Restart MeiliSearch \n"
-  systemctl restart meilisearch
-  
-  if systemctl status meilisearch | grep -E 'Active: active \(running\)' -q
-  then
-    echo "MeiliSearch service has restarted correctly after dump  \n"
-  else
-    echo "MeiliSearch service could not restart correctly after dump \n"
-    rm logs
-    rm meilisearch    
-    rm /dumps/$dumpid.dump
-    exit
+    echo "Kill local MeiliSearch Binary\n"
+    pkill meilisearch
+    
+    echo "MeiliSearch $meilisearch_version service is starting. \n"
+    systemctl restart meilisearch
+    systemctl_status exit
+    echo "MeiliSearch $meilisearch_version service started succesfully. \n"
   fi
 fi
 
 echo "Cleaning temporary \n"
-rm /dumps/$dumpid.dump
-rm logs
+rm /dumps/$dump_id.dump
 rm meilisearch
 
 
-echo "Migration complete. MeiliSearch is now in version $meilisearchversion"
+echo "${BGREEN}Migration complete. MeiliSearch is now in version ${NC} ${BPINK}$meilisearch_version${NC} \n"