I've a old hotlink plan on validity 365. It expired on 4/12 which I just found out. I topup $30 today so that the line remains active.

I'd like to subscribe to validity 365 (already know how). But I don't want to waste the 30 days validity that comes with the $30 topup.

When is the best date to subscribe to validity 365? I remembered you had to have min some x days of validity before subscribing to 365.

Ps: the maxis link given has 404 error.