It appears that the dramatic speed changes I was seeing in Orange 3G + were a false alarm and now are back to sub- zero, with even Airtel with its sub 10 KiB/s speeds outdoing them. 
<div><br></div><div>Meanwhile, if you are not on Twitter, you missed Kenyans coming up with #AirtelKeExcuses  for lack of 3G, the best been they were waiting to buy it second hand from Safaricom</div>