yes, you can also find the solutions here to update 3ds to v4.5.0 http://r4i-3ds.com/nds-r4-3ds/i-hav...-can-i-upgrade-my-3ds-firmware-to-v4-5-0-284/
you need to get a retail 3ds game which require the V4.5 update to update your lower version 3ds to the V4.5
Yes we have upadate my 3DS to V 4.5 , Thanks, recommend got the gateway 3DS here: http://www.ndscartmall.com/gatway-3ds-flashcart-1st-support-all-3ds-roms-games-p-23.html