The Skeptic in me shouts that Safaricom will easily run a script one day/night and wipe the possibility of it when enough customers take the bait.
Has this been investigated or is it being currently investigated …Do you access the ‘extra’ 1 TB at a capped speed of 256 or is it full speed? The FAQs say that when your bundle runs out you are capped at 256 Kbps and it may become slower for several other reasons …see images below
At full speed. I’d requested others with the box to confirm the same. Could be a glitch favouring my particular Big box number. Just like you, i don’t trust Safaricom hence the need to have others confirm.