> For the complete documentation index, see [llms.txt](https://docs.cotter.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cotter.app/sdk-reference/ios/older-versions.md).

# Older Versions

**For iOS SDK v1.4.x or below**

{% content-ref url="/pages/-M4q-LjGBIcIq3PgnYt6" %}
[Sign In with Device](/sdk-reference/ios/ios-sdk-passwordless-login.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M35aUobglanfiWqjf7S" %}
[Sign In with Email/Phone Number](/sdk-reference/ios/ios-sdk-verify-email-phone.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M1js7LYj-yGbUtx3rXD" %}
[Biometric/Pin](/sdk-reference/ios/older-versions/ios-sdk.md)
{% endcontent-ref %}