“We are going to help make sure the Iranian people are not kept isolated and in the dark,” said US Secretary of State Anthony Blinken.
The relaxation of software controls will allow American tech firms to expand their business in Iran.
At least 35 people have been killed in the worst unrest in Iran for years.
Mahsa Amini, 22, fell into a coma last week, hours after morality police arrested her for allegedly breaking headscarf rules.
Officers reportedly beat Ms Amini’s head with a baton and banged her head against one of their vehicles. The police have said there is no evidence of any mistreatment and that she suffered “sudden heart failure”.
On Friday, reports emerged from Oshnavieh, in Iran’s West Azerbaijan Province, which borders Kurdistan, showing widespread protests, as well as suggestions demonstrators had taken control of large parts of the city. The BBC was unable to confirm this.
Videos posted from Oshnavieh showed large crowds of people marching through city streets with no police presence, while loud explosions could be heard.
Tonight, protesters seem to have taken control of parts of the city of Oshnavieh, in Iran’s West Azerbaijan province. #MahsaAmini #iran pic.twitter.com/Wft497BJe6
— Rana Rahimpour (@ranarahimpour) September 23, 2022