> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Trigger the capsule update

You need to consider two scenarios:

* OsIndications enabled

> - When you enable OsIndications, the capsule update is triggered if a capsule is found in the EFI.
> - Additionally, you can enable the trial boot rollback feature based on the value of OsTrialBootStatus.

* OsIndications disabled

> - When you disable OsIndications but enable OsTrialBootStatus, the capsule update isn't triggered.

<Note>
  * Multiple capsules in ESP partition: If the ESP partition contains multiple capsules in EFI/UpdateCapsule, the system considers all capsules for the update and updates them alphabetically.
  * UEFI non-volatile variables: The system stores all the UEFI non-volatile variables in the RPMB partition, which must be in a provisioned state. On a Qualcomm secure-boot-enabled device, the system automatically provisions the RPMB.
  * Qualcomm non-secure devices: On Qualcomm non-secure devices, the system doesn't automatically provision RPMB, but you can provision it using test keys. If you provision RPMB with test keys on a non-secure device, you can't re-provision RPMB with a device key while enabling Qualcomm secure boot on the device.
</Note>

For more details about how to trigger the capsule, see [OTA update](https://dragonwingdocs.qualcomm.com/Key-Documents/Yocto-Guide/update-firmware-and-os-on-qualcomm-linux-using-capsule-and-os-tree-mechanisms).