> For the complete documentation index, see [llms.txt](https://support.keyst.one/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.keyst.one/getting-started/firmware-upgrading/how-to-format-a-microsd-card-to-fat32.md).

# How to Format a MicroSD Card to FAT32?

Keystone has the function of formatting a microSD card to FAT32. This article will show you how to format a microSD card to FAT32 with Keystone.

## I. Steps

1\. Insert the microSD card into the Keystone and turn the device on.

2\. A pop-up box prompts that the microSD card needs to be formatted first. Tap \[Format Now].

<figure><img src="/files/-McwpZxSHULNgRY3P6jX" alt="Keystone-SDcardFormat-1"><figcaption></figcaption></figure>

**You can also trigger the formatting operation in the system settings.**

1\. Tap \[Menu] icon at the top left of the main page > \[Settings] > \[System Settings].

<figure><img src="/files/-MYJYf_XOZndclfiaoVb" alt="Keystone-SDcardFormat-"><figcaption></figcaption></figure>

2\. Tap \[Format Card] > Tap \[confirm] > Formatted successfully.

<figure><img src="/files/-MYJYkdpS_AC52N_YX9-" alt="Keystone-SDcardFormat-3"><figcaption></figcaption></figure>