The marginal decline is across all subscription-based market.
"The decline is being attributed to the significant reduction in competitive promotional offerings by operators, forcing subscribers to cut down on the use of multiple SIM cards as dwindling of disposable incomes, " said Potraz.
Mobile operators Econet, NetOne and Telecel have reduced and minimized promotions to customers but ,have been in a race of increasing tariffs citing a deteriorating economy and weak locks currency, such that customers have had to stay on networks they dim cheaper and affordable.
The general populace earn an average of about ZWL250 , which to some extent contributes to the continuous use of a certain network.
Last year in July Potraz report showed a 9.8 percentage points drop in the first quarter of 2019 compared to the fourth quarter in 2018 as a result of the tough economic times.
Mobile phones has since become the largest telecommunications tool over the past years.
Lately the general populace has been facing a decrease of their disposable income owing to the inflationary pressures as well as the 2% electronic tax on every transaction that leaves a slight gap for a larger disposable income.