Which options in the make menu can reduce the size of the firmware?

Is it helpful to exclude the kernel debugging symbols?
How to build a firmware with the smallest size :grinning:?

https://openwrt.org/playground/faq/which_packages_can_i_safely_remove_to_save_space

https://openwrt.org/playground/faq/build_image_for_devices_with_only_4mb_flash

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https://openwrt.org/docs/guide-user/additional-software/saving_space

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