Bandwidth utilization unstable

Dears,

I have PEPlink 710 with firmware 5.4.2 .I faced problem at bandwidth status, Bandwidth didn’t appear actual status and not record it daily

Please upgrade to v6.3.3.

You may obtain the unlock key below.

Thanks for your help.If I want to downgrade version in case any failure occur on upgrade process.Could you help me for downgrade process.