You can log in to WeChat using the following methods:
1. Mobile number + WeChat password (after linking a mobile number)
2. Mobile number + SMS verification code (after linking a mobile number)
3. WeChat ID + WeChat password (after setting a WeChat ID and password)
4. Email + WeChat password (after linking an email address)
5. Voiceprint (after enabling and setting Voiceprint)
6. QQ ID + QQ password (after linking a QQ ID)
7. Facebook ID + Facebook password (after linking a Facebook account)
8. iCloud Passkey （Go to 「Account Security」 > enabled「Passkey」 > toggle on 「log in with Passkey」
Note: If you've set a WeChat password, you can log in using your WeChat ID, linked email address, or linked QQ ID along with your WeChat password.