# Build and flash instructions **Recommended procedure** To upgrade using Qualcomm prebuild, see [Update the software](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-253/upgrade-rb3gen2-software.html). **Advanced procedure** - To build the QIMP SDK, see [Build platform image with QIMP layer](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-51/building-platform-image-with-qim-layer.html). - To flash the QIMP SDK, see [Flash software images](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-254/flash_images.html). Last Published: Apr 09, 2025 [Previous Topic QIMP SDK release 1.0](https://docs.qualcomm.com/bundle/publicresource/80-70018-52/topics/introduction.md) [Next Topic References](https://docs.qualcomm.com/bundle/publicresource/80-70018-52/topics/references.md)