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mkdir <workspace dir>
cd <workspace dir>
repo init -u https://code.rdkcentral.com/r/manifests -b kirkstone -m rdkb-bpi-extsrc.xml
repo sync -j `nproc` --no-clone-bundle
MACHINE=bananapi4-rdk-broadband KERNEL_TYPE=kernel6-6 source meta-cmf-bananapi/setup-environment-refboard-rdkb

RDK > RDK-B BPIR4 64bit Multiple RAM Build steps > image-2026-3-25_17-10-21.png

Just click on enter button to create 1GB_RAM and 4GB_RAM folders in the downloads folder.

Download 1GB_RAM binaries and 4GB_RAM binaries from the below paths

RDK > RDK-B BPIR4 64bit Multiple RAM Build steps > image-2026-3-25_17-25-54.png

Copy all binaries to the associated folder of 1GB_RAM or 4GB_RAM

Re-run the below command to select the option of 1GB or 4GB

MACHINE=bananapi4-rdk-broadband KERNEL_TYPE=kernel6-6 source meta-cmf-bananapi/setup-environment-refboard-rdkb

RDK > RDK-B BPIR4 64bit Multiple RAM Build steps > image-2026-3-25_17-32-44.png

Build the final image using below command,