PIN
What is PIN?
The PIN, composed of six digits, is the only passcode on the Mixin Messenger. All operations-related assets and privacy, such as changing phone numbers, transferring assets, setting up Emergency contact, etc., require users to input their PIN to verify that they are the owner. When the first time you set up a PIN or change a new PIN, the app will ask you to repeat it 4 times, ensuring you remember it. ||| The TIP protocol protects the PIN; it cannot be recovered if you forgetPopularWhat should I do if I forget my PIN?
||| Please note: If you forget your PIN, it cannot be reset or recovered! The PIN is encrypted and stored across the entire Mixin Network. Even Mixin’s technical team cannot view or reset it. If you forget your PIN, you can only try to recall it yourself and keep track of every attempt. Different Scenarios When Forgetting a PIN 1. Already Logged In If your account is logged in but you forgot your PIN due to long inactivity: You have 5 attempts every 24 hours. AfteSome readersHow to change the PIN?
||| ⚠️ The 6-digit Mixin Messenger PIN cannot be recovered if forgotten. Please store it securely! After changing your PIN, the app will prompt you multiple times to enter it to help prevent forgetting. Steps to Change Your PIN Open Mixin Settings Tap your profile picture > Settings Locate PIN Settings Go to Account > Security > PIN 
When your phone number is lost or no longer accessible, you can log in to your Mixin account through a recovery contact. Please follow the steps below. Log In Just like the normal login process, you need to enter your correct phone number and wait until the verification code countdown ends: pic Recovery Contact After the countdown finishes, you will see the Need help option. Tap it and select Phone lost, then enter your recovery contact’s Mixin ID. ||| If you do not see theFew readersHow to View Recovery Contacts (Emergency Contacts)?
| Starting from Mixin Messenger version 2.0.0, Emergency Contacts have been renamed to Recovery Contacts. View Recovery Contacts 1. Find the entry Open Mixin Messenger → Switch to the More tab at the bottom → Tap Settings (top-right corner) → Account → Security → Recovery Kit 2. View recovery contacts Tap Recovery Contacts → View Recovery Contacts → Enter your PIN to view the recovery contacts associated with your account.Few readersWhat is the Recovery Kit?
What is Recovery Kit? Recovery Kit is a set of account security and recovery tools provided by Mixin Messenger. It helps you securely access and recover your account in different scenarios. You can find it here: Settings → Account → Security → Recovery Kit Recovery Kit includes the following three core features: 1. Phone Number A phone number improves account accessibility and recovery. In Mixin: New users are registered by default using a mnemonic phrase After bindinFew readers
Mnemonic Phrases
Mixin Messenger Mnemonic Phrase feature
Starting from version 2.0.0, Mixin Messenger supports mnemonic phrase functionality. | Update Mixin Messenger to version 2.0.0 from the official website . How it works As shown in the diagram, Mixin Messenger’s MPC wallet consists of three key shards: PIN Shard: One shard is associated with the user’s PIN code. Account Shard: The phone number, mnemonic phrasFew readersHow to back-up my mnemonic phrase of Mixin Messenger?
Starting from version 2.0.0, Mixin Messenger supports mnemonic phrase functionality. | Update Mixin Messenger to Version 2.0.0 and Above: Download the Latest Version. Back-up Mnemonic Phrase Whether you registered your Mixin Messenger account using a phone number or a mnemonic phrase, the steps to backup the mnemonic phrase are the same: Access Settings: Option 1: On the Home Chat Page, tap the profile icon in the top-right corner > SettingsFew readersHow to log into my Mixin Messenger account using a mnemonic phrase?
Starting from version 2.0.0, Mixin Messenger supports logging in to accounts using a mnemonic phrase. | Update Mixin Messenger to Version 2.0.0 and Above from the official website. Mnemonic Phrase Login Ensure your Mixin Messenger is up to date Log In to Your Account ||| ⚠️ Please perform the login process in a secure environment. Do not use your mnemonic phrase in public places with cameras or strangers nearby. Open Mixin Messenger > Existing AFew readersHow to view my mnemonic phrase on Mixin Messenger?
Starting from version 2.0.0, Mixin Messenger supports mnemonic phrase functionality. | Update Mixin Messenger to Version 2.0.0 and Above: Download the Latest Version. View Mnemonic Phrase Whether you registered your Mixin Messenger account using a phone number or a mnemonic phrase, the steps to view the mnemonic phrase are the same: Access Settings: Option 1: On the Home Chat Page, tap the profile icon in the top-right corner > Settings. ![]Few readers
Security & Privacy
How to delete My Account?
Mixin Messenger supports account deleting since version 0.35.0. Server data: After a successful account deleting, all data related to the current account, such as profile, contact list, avatar, etc., will be deleted from the Mixin server; one thing to note is that deleting your account does not delete the wallet, such as assets and transactions, cannot be removed, which means that the wallet address can still receive assets, but no one can access the wallet. Local data: Deleting an aPopularHow to Restrict Messages from Strangers
Steps to Set Up Restrict Strangers from Sending You Messages Go to Settings > Account > Privacy > Conversation > Set “Who Can send Message to Me” to “My Contacts”. | Note: If you messaged users outside your contact list within the past 30 days before enabling this setting, you will still receive messages from them after enabling it. Restrict Strangers from Adding You to Groups Go to Settings > Account > Privacy > Conversation > Set **“Who Can AddSome readersHow to Enable/Disable Pay With Face ID?
Mixin supports Face ID Payment, allowing you to use Face ID instead of entering your PIN for a more efficient experience. However, Face ID cannot help you recover your PIN, and you will still need to enter your PIN periodically to ensure its validity. Enabling Face ID Payment Open Mixin Settings Tap your profile picture > Settings 2. Locate PIN Settings Go to Account > Security > PIN 
Due to the Mixin API upgrade at the end of 2024, some users who have not upgraded to TIP may encounter errors (such as error code 20118) when logging in to Mixin Messenger. We have released a dedicated upgrade tool to help you complete your account upgrade and restore normal access. This guide will walk you through how to complete the upgrade using this tool and log back into Mixin Messenger. Complete the upgrade using the toolFew readersHow to Send Logs to Developers
Below are the standard ways to export and send logs to the Mixin team so we can diagnose issues more effectively. Preparation Update to the latest version Make sure your app is up to date. Download the latest version If You Cannot Log In When you can’t log in to your Mixin account, follow the steps below. iOS On the login page, tap the customer support icon in the top-right to open a chat. Press and hold the top area of the suppFew readers