> For the complete documentation index, see [llms.txt](https://doc.bitbrowser.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.bitbrowser.net/bitcloudphone/bitcloudphone-ios/internal-features/notes.md).

# Notes

<figure><img src="https://1346224839-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDG17bXYc9SCTUw90LCSz%2Fuploads%2F3v00TKXL6hytPGlT0e3D%2Fimage.png?alt=media&amp;token=86a81538-ac81-4df3-a6aa-e552b0dd2a15" alt=""><figcaption></figcaption></figure>

**To ensure normal device operation and data security, please refrain from the following operations:**

1. Changing the Apple ID
2. Formatting the device
3. Modifying the device name
4. Making arbitrary changes to system settings