Bridge for Ricoh GR

iPhone & iPad · Ricoh GR IV

The USB step that makes a Ricoh GR IV show up in Lightroom.

Bridge for Ricoh GR is a small wired-connection utility. It waits for the camera, confirms that both camera storages can be read, then hands the camera back so Adobe Lightroom can import from it. The order you connect things in decides whether it works at all — this app makes that order obvious.

See the connection order Troubleshooting Contact support

Bridge for Ricoh GR app icon
Devices
iPhone and iPad with a USB-C port
System
iOS 26 or iPadOS 26, or later
Camera
Ricoh GR IV
Link
Wired USB-C only — no Wi-Fi, no cloud
Network
None. The app never connects to a server.

An independent product of WEB rješenja d.o.o. Not made by, affiliated with, endorsed by or sponsored by Ricoh Company, Ltd. or Adobe Inc.

01 — What it does

A connection utility, not another photo library.

Bridge for Ricoh GR never becomes the place your photographs live. It solves one narrow problem: getting the camera to appear as a data device, and then getting out of the way.

When you open the app it starts listening for a camera before anything is plugged in. As soon as a Ricoh camera enumerates over USB, the app opens a read-only session, walks both camera storages — internal memory and the SD card — and counts the original files it finds. Nothing is copied, converted, renamed or deleted.

It then closes that session on purpose. iOS gives the connected camera to one app at a time, so Lightroom cannot open a camera that Bridge for Ricoh GR is still holding. The line “Camera ready for Lightroom” is the app telling you it has let go. That is your cue to switch apps.

Selecting, previewing and importing photographs all happen in Lightroom, using Lightroom's own connected-camera import.

What the app shows, in order

  1. Waiting for USB data Camera not connected yet. Plug in now.
  2. Opening RICOH GR IV The USB data role is active.
  3. Reading RICOH GR IV catalog Both camera storages are being counted.
  4. Camera ready for Lightroom Session released. Switch to Lightroom now.
  5. Camera disconnected · Camera unavailable Something interrupted the link — see troubleshooting.

02 — Setup order

Data first. Connect in this order, every time.

A camera that is plugged in before the app is listening often enumerates as a power sink and nothing more. Follow the sequence below and the camera comes up as a data device.

Wired connection between a Ricoh GR IV and an iPhone, in numbered order Step 1: the camera, switched on and showing playback. Step 2: the iPhone with Bridge for Ricoh GR already open and waiting. Step 3: a data-capable USB-C cable running from the camera's side port to the iPhone's port. Step 4: the app's green “camera ready” row on the iPhone screen. Step 5: Adobe Lightroom, opened only after step 4, receiving the camera. 1 2 3 4 5
  1. Camera on, in playback. Images on screen, not the shooting display.
  2. App open and waiting. Bridge for Ricoh GR must be listening before the cable goes in.
  3. Data-capable USB-C cable. The highlighted core is the data path a charge-only cable is missing.
  4. Wait for “Camera ready for Lightroom.” Green row, on the phone, before you touch anything else.
  5. Now open Lightroom. Add photos → Connected camera/card → RICOH GR IV.

  1. Turn the camera on, in playback

    Power up the Ricoh GR IV and press its playback button so the screen is showing captured images. Leave it there.

    A camera sitting on the shooting screen may charge over USB without ever offering its storage.

  2. Open Bridge for Ricoh GR and let it wait

    Open the app with nothing plugged in. It should settle on “Waiting for USB data.” Approve the camera-access prompt the first time you are asked.

    Keep the device unlocked and the app in the foreground. When the app is sent to the background it deliberately closes the camera session.

  3. Connect the cable

    Join the iPhone or iPad to the camera with a USB-C cable that carries data. The cable supplied with the GR IV does. Seat both ends firmly.

    Charge-only cables are the single most common failure — see how to tell them apart.

  4. Wait for “Camera ready for Lightroom”

    The app opens a read-only session, counts the originals on both camera storages, then closes the session and releases the camera. Only the green ready line means the camera is free.

    Switching apps earlier interrupts the read and you will have to start again.

  5. Switch to Lightroom and import

    In Adobe Lightroom choose Add photos → Connected camera/card, pick RICOH GR IV, then select and import your photographs there. Leave the cable connected while Lightroom works.

03 — The cable

Two cables that look identical, one that works.

Cheap USB-C cables bundled with power banks and lamps often carry power only. The camera will happily charge from one and never appear as a device. No software can fix that.

Data-capable USB-C cable, cut away A USB-C plug on the left with its cable running to the right. A cut-away window in the middle of the cable reveals four conductors: one thick power wire along the top, one along the bottom, and a thin data pair between them.
Use this one

Four conductors: power and a data pair. The camera enumerates, Bridge for Ricoh GR sees it, Lightroom can import.

Charge-only USB-C cable, cut away The same USB-C plug and cable, but the cut-away window shows only the two thick power wires. Where the data pair should run there are two broken dashed lines instead.
Will never work

Power only, no data pair. The camera charges, the app keeps saying “Waiting for USB data,” and Lightroom sees nothing.

How to test a cable in ten seconds

Use the same cable to connect the camera to a computer. If the camera appears there as a device you can browse, the cable carries data. If it only charges, set that cable aside.

04 — Preflight

Six things to check before you plug in.

  • The camera battery has real charge. An iPhone supplies only a small amount of accessory power, so the camera should not be relying on the phone.
  • You are holding a USB-C cable that carries data — ideally the one supplied with the camera.
  • The iPhone or iPad is unlocked, and will stay unlocked while the camera is read.
  • Adobe Lightroom is installed but not open yet.
  • No other import or file app is currently holding the camera. Close them first.
  • The camera is on and switched to playback, not the shooting screen.

05 — Troubleshooting

When the camera does not show up.

Almost every failure comes down to one of the causes below. Work through them in order.

The app stays on “Waiting for USB data” and the camera just charges

Cause — charge-only cable

The cable has power conductors but no data pair, so the camera never enumerates. This is the most common cause by a wide margin, and nothing in software can work around it.

  1. Swap to the USB-C cable supplied with the GR IV, or another cable you have proven carries data.
  2. Avoid cables that came with power banks, chargers, lamps and other power-only accessories.
  3. Verify a suspect cable by connecting the camera to a computer with it — see the cable comparison.
You plugged the cable in before opening the app, and now nothing happens

Cause — wrong connection order

If the camera is attached while no app is listening, the connection is frequently negotiated as power only. Opening the app afterwards does not renegotiate it.

  1. Unplug the cable from the iPhone or iPad.
  2. Leave the camera on and in playback, and open Bridge for Ricoh GR.
  3. Wait until the app reads “Waiting for USB data.”
  4. Only then reconnect the cable.
The camera is on but the app never moves past waiting

Cause — camera not in playback mode

On the shooting screen the camera may take power without offering its storage over USB. It has to be in playback before you connect.

  1. Disconnect the cable.
  2. Press the camera's playback button so captured images are on screen.
  3. Confirm the app still says “Waiting for USB data,” then reconnect.
  4. If the camera powers off from inactivity mid-attempt, switch it back on in playback and start over.
Lightroom shows no connected camera, or an error when you pick it

Cause — Lightroom was opened before the ready state

iOS hands the camera to one app at a time. If Lightroom asks for the camera while Bridge for Ricoh GR is still reading it, Lightroom gets nothing. Bridge for Ricoh GR releases the camera only when it prints “Camera ready for Lightroom.”

  1. Fully close Lightroom.
  2. Return to Bridge for Ricoh GR and tap Prepare USB data connection — or the reconnect button if the camera has already been released — and let it run through to the ready line.
  3. Now open Lightroom and choose Add photos → Connected camera/card → RICOH GR IV.
  4. Keep the cable connected while Lightroom imports.
The camera appears for a moment, then drops off

Cause — accessory power or a loose plug

An iPhone provides only limited power to a connected accessory. A camera on a low battery, or a plug that is not fully seated, can drop the link part-way through the read.

  1. Charge the camera battery and try again.
  2. Reseat both ends of the cable.
  3. If the drop-out repeats, connect through a powered USB-C hub — camera into the hub, hub into the iPhone or iPad — so the camera is not drawing from the phone. Keep the same order: camera in playback, app waiting, then connect.
The app resets whenever you switch away from it

Cause — this is deliberate

Bridge for Ricoh GR closes its camera session when it goes to the background, so it can never sit on a camera another app needs. That is why the read has to complete while the app is on screen.

  1. Stay in the app until “Camera ready for Lightroom” appears.
  2. After that line, switching to Lightroom is safe and expected.
  3. To go back for another read, return to Bridge for Ricoh GR and tap the reconnect button.

Still stuck? Contact support and include your camera, device, iOS version and the exact line the app was showing.

06 — Privacy

Your photographs never leave the wire.

Bridge for Ricoh GR has no account, no analytics, no advertising and no network code. It reads storage and file metadata from the connected camera — names, folders, file types and counts — entirely on your device, so it can tell you the camera is readable. It does not copy, upload or keep your photographs, and it does not track you.

Read the full privacy policy

07 — Compatibility

What is supported, precisely.

Camera
Ricoh GR IV, connected by USB-C. No other camera model is claimed or tested.
Devices
iPhone and iPad with a USB-C port, running iOS 26 or iPadOS 26, or later.
Import app
Adobe Lightroom on the same device, using its connected camera/card import.
File types counted
DNG, JPEG, MOV and MP4 originals on the camera.
Not supported
Wireless transfer, cloud transfer, importing inside Bridge for Ricoh GR itself, and editing or deleting anything on the camera.

08 — Availability

One camera. One job. No cloud in between.

Bridge for Ricoh GR 1.0 is being prepared for public release on the App Store for iPhone and iPad. The download is not public until Apple completes its review.

Request a launch notice Check the setup first