@Shantanu-Gupta please check documentation and video for VOXL2:

https://docs.modalai.com/voxl2-voxl2-mini-system-image/#force-voxl-2-into-fastboot https://docs.modalai.com/voxl2-connectors/#buttons https://www.youtube.com/watch?v=IM3PnW7cipQ

Alex