Signal/Install-Signal-desktop.md

+**If you have used this guide previously before September 24th, 2025, follow [remove older installation from this guide](#remove-older-installation-of this-guide) to stop Tails from persisting flatpak user data [which affects anonymous usage of Tor Browser after rebooting into Persistent storage](#5) This also frees up space.**
+
 _This guide has been tested with Tails OS versions **7.0** and will not work on Tails 5.xx, so please make sure you are using an [**up to date Tails** OS](https://tails.net/doc/upgrade/)_.
 
-*This guide uses apt repositories for installing and updating signal-cli. [Every time Tails starts it installs and if you are connected also checks for updates on additional software](https://tails.net/doc/persistent_storage/additional_software/index.en.html#index3h2) and brings Signal Desktop up-to-date. This ensures automatic updates and doesnt require trusting a 3rd party for packing Signal Desktop and its libraries anymore as it is with Signal Desktop obtained from flatpak. If you have used this guide previously before September 24th, 2025, follow all steps and optionally [removing older installation from this guide](#remove-older-installation-of this-guide) to free up space.*
+*This guide uses apt repositories for installing and updating signal-cli. [Every time Tails starts it installs and if you are connected also checks for updates on additional software](https://tails.net/doc/persistent_storage/additional_software/index.en.html#index3h2) and brings Signal Desktop up-to-date. This ensures automatic updates and doesn't require trusting a 3rd party for packing Signal Desktop and its libraries anymore as it is with Signal Desktop obtained from flatpak. *
 
 **Notes**: 
 * Many steps happen in the _Terminal_. To paste content in the terminal, either right-click in the terminal and choose Paste, or use CTRL-SHIFT-V (not CTRL-V). 
@@ -107,7 +109,7 @@ Using Signal Desktop via tor increases the chance of getting rate limited when s
 2. If your primary device is Android or iOS, follow [these instructions](https://support.signal.org/hc/en-us/articles/9021007554074-Open-Signal-on-your-phone-to-keep-your-account-active). If your primary device is signal-cli, follow [these instructions](../Signal/Registration-and-Provisioning-via-signal-cli#every-now-and-then-receiving-messages-with-signal-cli).
 
 ### Remove older installation of this guide
-1. Start your Tails with persistent storage unlocked
+1. Start your Tails with persistent storage unlocked and an [administration password set](https://tails.net/doc/first_steps/welcome_screen/administration_password/)
 2. Choose _Applications ▸ Utilities ▸ **Terminal**_
 3. Remove Signal Desktop's flatpak and unused flatpaks:
   ~~~
@@ -117,4 +119,9 @@ Using Signal Desktop via tor increases the chance of getting rate limited when s
    ~~~
     rm -r /home/amnesia/.var/app/org.signal.Signal
    ~~~
+5. Depersist flatpak's user data and remove the folder:
+   ~~~
+    sudo sed -i '/\/home\/amnesia\/\.var\/app source=var_app/d' live/persistence/TailsData_unlocked/persistence.conf && sudo rm -r /live/persistence/TailsData_unlocked/var_app
+
+
 5. Close Terminal.
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