I noticed that after browsing the community for 20 minutes on LTE that my data usage in self serve didn't change. I went on another website and Snapchat after that for about 15 minutes and this time my usage increased.
Yes, you can put your plan into suspension mode for 90 days before you permanently lose your plan. One of my friends did the same thing you did (still doing it) where he paid for nov - Jan, deactivated between Jan - mar, and then activated again betw...
