# 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 [Next Topic Qualcomm Linux 2.0 migration overview](https://docs.qualcomm.com/bundle/publicresource/80-80022-150/topics/migrate_overview.md)