# Settings
## Switch Language
1. Click **Language**
2. Choose your language from the list
3. Click to set your preferred language
## Change Password
1. Click **Password**
2. Enter your password to authorise the password setup
3. Enter your new password
4. Enter your password again for confirmation
## Biometric Authentication (Mobile only)
1. Click **Biometric Authentication**
2. Enter your password
3. Biometric verification
Following scenario required your biometric authentication
1. Wallet action(remove, backup, generate, import)
2. General(change password, enable biometric authentication)
3. Signing a Transaction or certificate
## Token List
1. Click **Tokens**
2. Choose the token from the token list
3. Toggle on to enable
## Nodes Management
Nodes are the primary communication bridge of the blockchain. If the default node's connection speed in your region is not ideal, you can manage it in the following ways.
### Add node
1. Click **Node**
2. Click  at upper right
3. Enter the node's url with `http` or `https`
4. Click **Add** to add node
### Change Node
1. Choose the node from the node list
2. Click to set your preferred node
### Delete Node
1. Choose the node from the node list
2. Click to delete the node
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.vechain.org/core-concepts/wallets/sync2/user-guide/settings.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
to delete the node
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.vechain.org/core-concepts/wallets/sync2/user-guide/settings.md?ask=