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→Introduction
Starting from [[Axel_Embedded_Linux_Kit_(XELK)#XELK_3.5.0|XELK 3.5.0]] binary version, u-boot supports the [https://en.wikipedia.org/wiki/Booting#SPL SPL] first-stage bootloader and second-stage bootloader (the proper u-boot complete binary).
It is then required to update the u-boot con on AXEL LITE SoM using some new u-boot environment variables: those vars will be present and ready to be used on the new SPL default environment.
Here below, you can find a '''step-by-step''' user's guide for updating u-boot to the new SPL version.
