if you have extra money/balance in your account

the overage use will be billed at your monthly plan data rate until the money runs out, then you can not use the data service. It will not affect your voice and text.

Here is the official explanation:

 https://www.pagepluscellular.com/plans/flex-data/

所有跟帖： 

• 目前手機裡有三十塊錢預付費的餘款，換成這個計劃後，會不會保留這些餘額，還是沒了？ -小本生意- ♂ (0 bytes) () 07/14/2013 postreply 16:25:41

• the balance will not disappear when you add a monthly card -longtermInvestor- ♂ (313 bytes) () 07/15/2013 postreply 11:20:14

• 如何加這個計劃,想先試一下. -小本生意- ♂ (104 bytes) () 07/17/2013 postreply 21:06:36