# Hướng Dẫn Sử Dụng ESign

* <mark style="color:orange;">**ESign là gì?**</mark>

> [**ESign**](https://esign.yyyue.xyz/) là ứng dụng giúp bạn *ký, tinh chỉnh* **IPA** và cài đặt nó lên `iPhone/iPad` một cách dễ dàng không cần máy tính.


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# 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://help.xomkey.com/yam/huong-dan-cach-s-dung-chung-chi-apple-esign-gbox/huong-dan-su-dung-esign.md?ask=<question>
```

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.