So far, it seems Cell C's network runs fine on late evenings, in Summerstrand, Port Elizabeth. I will run another test during the day to see if there is an improvement. This is on Cell C's 3G network... When is Cell C going to bring LTE to the Eastern Cape... Vodacom, MTN, and Telkom Mobile got LTE here now.
The second test was done on my main laptop:
Will run another test in the morning to see if the network has really improved.