diff --git a/CHANGES.md b/CHANGES.md
index 9d63807bd..a575d374a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## What's new in Version 1.7.0 of RaspiBlitz?
 
-- New: Raspberry Pi OS Base Image 64-bit (August 2020)
+- New: Raspberry Pi OS Base Image 64-bit (April 2021)
 - New: Build SD card Image with parameters & FatPack [details](https://github.com/rootzoll/raspiblitz/pull/2044)
 - New: Improve LND uptime and reliability over Tor [details](https://github.com/rootzoll/raspiblitz/pull/2148)
 - New: Lightning Terminal v0.4.1-alpha (Loop, Pool & Faraday UI Bundle) [details](https://github.com/lightninglabs/lightning-terminal#lightning-terminal-lit)
diff --git a/home.admin/config.scripts/blitz.migration.sh b/home.admin/config.scripts/blitz.migration.sh
index 498f3d949..dd98c15b2 100755
--- a/home.admin/config.scripts/blitz.migration.sh
+++ b/home.admin/config.scripts/blitz.migration.sh
@@ -141,7 +141,33 @@ if [ "$1" = "migration-umbrel" ]; then
 
   echo "# starting to rearrange the data drive for raspiblitz .."
 
-  # extract data
+  # determine version
+  version=$(sudo cat /mnt/hdd/umbrel/info.json | jq -r '.version')
+  if [ "${version}" == "" ]; then
+    echo "err='not able to get version'"
+    exit 1
+  fi
+  versionMajor=$(echo "${version}" | cut -d "." -f1)
+  versionMiner=$(echo "${version}" | cut -d "." -f2)
+  versionPatch=$(echo "${version}" | cut -d "." -f3)
+  if [ "${versionMajor}" == "" ] || [ "${versionMiner}" == "" ] || [ "${versionPatch}" == "" ]; then
+    echo "err='not able processing version'"
+    exit 1
+  fi
+
+  # since 0.3.9 umbrel uses a fixed/default password for lnd wallet (before it was the user set one)
+  if [ ${versionMajor} -eq 0 ] && [ ${versionMiner} -lt 4 ] && [ ${versionPatch} -lt 9 ]; then
+    echo "# umbrel before 0.3.9 --> password c is old user set password"
+  else
+    echo "# umbrel 0.3.9 or higher --> password c is fixed 'moneyprintergobrrr'"
+    # set flag with standard password to be changed on final recovery setup
+    sudo touch /mnt/hdd/passwordc.flag
+    sudo chmod 777 /mnt/hdd/passwordc.flag
+    echo "moneyprintergobrrr" >> /mnt/hdd/passwordc.flag
+    sudo chown admin:admin /mnt/hdd/passwordc.flag
+  fi
+
+  # extract detailed data
   nameNode=$(sudo jq -r '.name' /mnt/hdd/umbrel/db/user.json)
 
   # move bitcoin/blockchain & call function to migrate config