Firmware updates for the RICOH GR IIIx (Version 1.11) and the RICOH GR III (Version 1.61)
RICOH GR IIIx – Firmware Version 1.11 Download Link:
https://www.ricoh-imaging.co.jp/english/support/digital/gr3x_s.html
RICOH GR III – Firmware Version 1.61 Download Link:““““““`
https://www.ricoh-imaging.co.jp/english/support/digital/gr3_s.html