Nikon firmware update | How to do it for all models | What is firmware - YouTube
Nikon Outs Firmware 1.01 for Its D3300 Camera - Download Now
Nikon: New Firmware Update Version 1.01 for Both Cameras D3300 (2016-01-26) and D5300 (2016-01-27): Improvements & Support for Lenses AF-P DX NIKKOR 18–55mm f/3.5–5.6G VR and AF-P DX NIKKOR 18–55mm f/3.5–5.6G –
Nikon D3300 Review
How to Update Firmware on a Nikon DSLR - Sinhala - YouTube