The current measure to determine the safety limit is known as the Specific Absorption Rate, or SAR.
However, the iPhones were tested again after Apple complained that the original test procedures were done incorrectly.
The repeated test also showed that radiation levels produced by iPhone 7 was above the legal limit.
However, Apple and Samsung insisted that their devices did not break FCC regulations.
Samsung also said: Samsung devices sold in the United States comply with FCC regulations.
Our devices are tested according to the same test protocols that are used across the industry.
source: www.techworm.net