The founder of WhatsApp, Jan Koum, issued an apology on Sunday (23) and blamed the network router by messaging application for mobile have been off the air last Saturday .
“We apologize,” wrote Koum. “It was our longest period server down. Was caused by a failure in the network router that affected our servers.”
“We work to resolve the problem and ensure it will not happen again.”
The WhatsApp was down for more than three hours on Saturday, days after Facebook buy it for $ 16 billion.
The company’s five-year-old currently has about 450 million users worldwide and is the main application message in the world.