India, Oct. 9 -- A major Verizon outage affected the United States beginning around 12:41 ET on October 8. Hundreds of users were left without cellular or data service. Several reports of devices showing "SOS mode," dropped calls, and failed texts began pouring. The blackout remains under investigation.

Outage tracker DownDetector showed that user report volume surged at about 12:41 AM ET. Several Verizon users took to social media to complain of no service, emergency calls only, and network disruptions.

The outage seemingly affected both mobile voice/text services and data connectivity across various texts. Verizon acknowledged at least some downtime, adding that engineers are working on it.

Verizon has not yet released an official br...