Bangladesh Telecommunication Regulatory Commission (BTRC) shut down mobile internet around 10:50pm Saturday night.
The decision came several hours after the telecom regulator shut down 3G and 4G services.
The move has been taken to “curb the spread of rumors” during the election, said a BTRC spokesperson requesting anonymity.
The services would resume after 12:01am Monday.
On Thursday, the BTRC slowed down mobile internet for nearly 10 hours.
There were 8.60 crore mobile internet users in the country, according to data collected last month.
Broadband internet connections are likely to remain unaffected during the period.
There were 57.35 lakh broadband internet connections across the country in November.
The BTRC had also formed a team to stay at its office round the clock and act in case of unlawful online activities, officials earlier said.