We had the problem that we could not purchase more roaming while the 0/15 was showing in our add-ons even though it seemed to accept the payment, So we waited 12 hours or so and the 0/15 add-on disappeared, then we bought another 15 days worth no pr...
Yes we just discovered this: if you are trying to add a second 15-day stretch after the first expires, you must wait until the 0/15 notice disappears from your add-ons. So you are without roaming for maybe 12 hours. Then purchase another add-on and...
