Press Control+Shift+J or Command+Option+J (Mac) Navigate to the Network Tab and open the Throttling dropdown which is set to Online by default. From the dropdown menu highlighted (as shown in the image above), select Slow 3G.15 Mar 2021
Read moreWhat is Slow 3G Speed?
The technical limit of a 3G connection is 384Kb/s , however o2 have recently admitted that personal customers are only getting a 128Kb/s connection, with business customers being the lucky ones to be upgraded to 384Kb/s connections.
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