docs: update FAQ and setup

docs/faq.md

@@ -1,6 +1,15 @@
 # Frequent Asked Questions
 
-Last updated: `2024-01-30`
+Last updated: `2024-12-23`
+
+### Can I use Mi Home app with the speaker patch?
+
+No, by using default patching, all Xiaomi software gets removed and replaced with lots of
+different software to play audio managed from multiple sources,
+such as AirPlay, MPD, UPNP, Squeezelite (LMS), or Snapcast.
+
+You can manage the speaker via SSH, or the web-ui API (still work in progress),
+and connect it to Home Assistant to use as a Voice Assistant.
 
 ### How can I connect the speaker to a wireless (Wi-Fi) network?
 
@@ -17,7 +26,42 @@ The speaker will be in Bluetooth pairing mode for about 45 seconds.
 
 Alternatively, use `/bin/bluetooth_pair` command.
 
+### How can I manage the speaker?
+
+Use your phone or computer and connect to the IP of the speaker to port 80 (as a website).
+For example: http://192.168.1.40
+
 ### How can I rename the Bluetooth speaker name?
 
 Edit the file `/data/bt/bluez/bluetooth/main.conf`, update the `Name` section.
 Then run `/etc/init.d/bluetoothd restart`.
+
+### There are errors when using the voice assistant (listener)
+
+You can modify additional config in `/data/listener` file.
+
+Perform the following checks:
+- Check the STT service exists in Home Assistant and is available (query the Home Assistant API for more details).
+- Check the STT language provided exists (eg. `en`, `ca-ES`). Value will change depending on the different provider selected.
+- You can replace the token with a [long-lived token](https://my.home-assistant.io/redirect/profile/) in your Profile > Security.
+- Check logs in `/tmp/stt.*`.
+
+If you still have issues, you may open an issue with details to help troubleshoot it.
+
+### How can I change the root password?
+
+We are using busybox tools, and `passwd` will write a temporal file in a location which is read-only.
+Instead, create your hashed password and update the file in `/etc/shadow` with it.
+
+```sh
+openssl passwd -5 "your password"
+```
+
+> [!NOTE]
+> It's recommended that you also copy an `ssh-key` to your speaker to ensure you will remain having access via SSH.
+
+```sh
+curl https://github.com/your-user.keys > /root/.ssh/authorized_keys
+chmod 600 /root/.ssh/authorized_keys
+```
+

docs/voice-assistant.md

@@ -14,7 +14,14 @@ flowchart TD
 
 ## Setup
 
-Create and configure the following files in the speaker:
+Connect to the speaker IP at port 80 (HTTP): `http://192.168.1.40`
+
+Follow the web configuration to connect your Speaker to your local Home Assistant installation.
+
+Then configure STT provider, languages and wakeword.
+
+If you want to follow the procedure manually or configure additional details,
+create and configure the following files in the speaker:
 
 `/data/listener`
 ```bash