When I purchased the plan, I had to wait unitl the expiry of the current plan I was on. Then it was there the next day. Not sure maybe have to wait a little bit. You can also verify that you did in infact purchase it if you go to Payment History It...
Technically yes. Lithium is limited by the number of charge cycles. The more often you charge the phone the more often you deplete the chemistry in the battery. I Charge to 100% via slow wireless. I also dont charge my phone every day or before bed...
It is faster.3-5mbps then 100mbsor less mbps on the new plan. Remember though Public Mobile is the lowest tier on the network. So speeds will vary at different times of the day I find.