4 uptime tests for uma.att.com were performed during the 1 257 day period starting on June 14, 2021, according to records. All checks showed that uma.att.com was either down or experiencing issues, as of November 23, 2024. 4 times, or 100.00% of the checks, uma.att.com was unavailable, with the most recent event occurred on July 30, 2021. No responses have returned an error status code as of November 23, 2024, based on all that have been received. On July 30, 2021, data indicates a uma.att.com response time of — seconds, which is 0.001 seconds on average.