S3700-28TP-PWR-SI. i want to know if there's a software upgrade on this switch and what's the available version. i deployed a switch and CCTV cameras where connected to it but most times the CCTV cameras connected to it goes off and i have to be turning off the switch, so i really wanna know if there's an upgraded as regards to the switch so that there will be stable services without any hinge. it has not been upgraded since 2014