On September 27, 2020, the Brazil National Telecommunications Authority (ANATEL) issued an official Letter NO.585/2020. The main content of the letter is that considering the remaining impacts of COVID-19, ANATEL has decided to extend the simplified process for certificate renewal mentioned in official Letters 134/20, 194/20 and 384/20.
So, if the certificate is valid from March 6, 2020 to December 31, 2020, and the device has not been modified in any way, the certificate can be renewed without providing new internal and external photos and local testing.
Following screnneshot of the letter is for your refrence:

BACL Service:
BACL can provide you efficient and reliable Multi-national certification services, such as United States(NRTL, FCC, ENERGY STAR), Canada(ISED, SCC), EU(CE), Korea(KC), Japan(MIC), Singapore(IMDA), Hong Kong(OFCA), Taiwan (NCC, BSMI), Egypt (NTRA, GOEIC), Vietnam (MIC), Saudi Arabia (SASO, CITC), Philippines (NTC), Thailand (NBTC), Malaysia (SIRIM), India(BIS, WPC, TEC)and other services to assure your products still smoothly entering into the international trade market even when the international trade barriers are becoming increasingly fierce.

CN/中国
US/USA
KR/Korea
DE/Germany
ES/Spain
VN/Việtnam