Canon EOS 90D Firmware Update Version 1.1.1 Released
In addition to the Canon EOS RP firmware version 1.4.0, Canon also released the new firmware version 1.1.1 for Canon EOS 90D DSLR camera (Amazon, B&H, Adorama).
Download link: Canon EOS 90D Firmware Version 1.1.1
Firmware Version 1.1.1 incorporates the following enhancements and fixes:
1. The option to capture both 4K and Full HD movies in the frame rate of 23.98p has been newly added.
2. Fixes an issue where error code “Err 01” may be displayed when using EF85mm F1.8 USM or EF100mm F2 USM lenses.
Read more: Best Lenses for Canon EOS 90D and Best Memory Cards for Canon EOS 90D.