# Qualcomm Linux migration and overlays documentation
## Migrate to Qualcomm Linux 2.0
Consider updates to the build system, OpenEmbedded layers, kernel, OTA upgrade, and features to migrate from Qualcomm^®^ Linux^®^ 1.0 to Qualcomm Linux 2.0.
Qualcomm Linux 2.0 migration overview
Provides an overview of migration from Qualcomm Linux 1.0 to Qualcomm Linux 2.0.
https://docs.qualcomm.com/doc/80-80022-150/topic/migrate_overview.html#overview
Changes in the OpenEmbedded layers and the build system
Learn about the updates to the OpenEmbedded layers, build system, overrides, BitBake variables, and various recipes.
https://docs.qualcomm.com/doc/80-80022-150/topic/migrate-open-embedded-layers.html#layers
Changes in the Qualcomm Linux kernel
Migrate kernel configurations and device trees to Qualcomm Linux 2.0.
https://docs.qualcomm.com/doc/80-80022-150/topic/migrate-qualcomm-linux-kernel.html#kernel
Migrate to Qualcomm Linux 2.0 using OTA upgrade
Use over-the-air upgrade to migrate to Qualcomm Linux 2.0 through OSTree and capsule.
https://docs.qualcomm.com/doc/80-80022-150/topic/migrate-using-ota-software.html#ota
Migrate features to Qualcomm Linux 2.0
Migrate features from Qualcomm Linux 1.0 to Qualcomm Linux 2.0.
https://docs.qualcomm.com/doc/80-80022-150/topic/migrate-features.html#features
## Use overlays to evaluate Qualcomm technology stacks
Configure and use Qualcomm Linux overlays using supported workflows.
Enable and evaluate Qualcomm Linux overlays
Provides an overview of modular Qualcomm technology stacks.
https://docs.qualcomm.com/doc/80-80022-150/topic/overlay_overview.html#overlay-overview
Overlay functionality and driver module blacklisting overview
Learn how modules are blacklisted to implement and load overlays at bootup.
https://docs.qualcomm.com/doc/80-80022-150/topic/overlay_functionality.html#functionality
Use overlay configurations to derive image recipes
Evaluate various overlay configurations available in Qualcomm Linux 2.0.
https://docs.qualcomm.com/doc/80-80022-150/topic/overlay_configurations.html#configurations
Evaluate overlays using supported workflows
Use an overlay workflow that suits your product needs and use cases.
https://docs.qualcomm.com/doc/80-80022-150/topic/overlay_workflows.html#workflows
Uninstall overlay configurations and switch to upstream drivers
Uninstall overlay configuration RPMs to remove downstream drivers and restore the upstream stack.
https://docs.qualcomm.com/doc/80-80022-150/topic/uninstall_overlays.html#uninstall-overlays
Last Published: May 12, 2026
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