If e-voting is currently being used, what type(s) of technology used? - Nigeria

Country: 
Nigeria
Question: 
If e-voting is currently being used, what type(s) of technology used?
Answer: 
Not applicable
Source: 

Nigeria, Electoral Act 2010

52. (1) Voting at an election under this Act shall be by open secret ballot.

(2) The use of electronic voting machine for the time being is prohibited. […]