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ricoh-gr4-hlg-mod
Ricoh GR IV Firmware Mod: In-Camera Out-of-Sensor BT.2100 HLG HDR Still Photography (v1.11)
- Custom firmware
- Stable
- Low brick risk
This project hasn't been claimed by its maintainer yet, so its details come from the community. Is it yours? Claim it
Before you start
- How hard is it?
- HardUses the command line or developer tools.
- What you need
- Comfort with the command line
- A computer
- An SD card or USB stick
- Can it break my device?
- Very unlikely to break anything.
- Can I undo it?
- The project doesn't say. Assume you can't.
Get itOpens github.com
Did it work for you?
Did ricoh-gr4-hlg-mod work on your Ricoh GR IV?
No reports yet.
One-tap reports from owners. Bricked reports are checked before they count.
Compatibility
Devices: Ricoh GR IV.
No compatibility information yet.
Getting started
From the project's README ("5. 刷机与使用"):
- 将 dist/fwdc248bhlg.bin 重命名为 fwdc248b.bin，并拷贝至 SD 卡根目录；
- 相机关机状态下，按住 Playback（回放）键开机，屏幕显示固件升级确认界面；
- 确认版本升级并等待进度条完成（约 1-2 分钟），完成后自动关机；
- 开机进入菜单：
- 图像控制菜单中，原 “HDR色调” 风格槽位已更名为 “HDR”（沿用原厂图标，提供机内单张直出 HDR 功能）；
- 所有其他原厂色彩风格均完好保持官方出厂状态；
- 选择 “HDR” 拍摄，将生成的 .JPG 文件导入 iPhone、Mac（Photos / Preview）或 Windows 11 HDR 显示器，即刻呈现震撼的宽动态范围 HDR 照片！
Risk and recovery
- Brick risk
- Low
- Requires opening the device
- No