25-03-2019 20:18 - edited 25-03-2019 20:20
You will probably see this applied as a bolt on
When the 15gb is running out, the additional 15GB will appear.
You should see it as a bolt on in My O2 (read the link above)
on 25-03-2019 21:51
Just as an aside to your query @Sue17 , what did you put as the post topic?