FoundationDocument 19 of 21From the GFX 100S II field guide

GFX 100S II · System Reference

Connectivity,
Tethering, and Transfer

Wireless and USB features are useful when they have a job. They also consume power, change connection states, and may reset after firmware updates. Use this page to decide when to connect and when to leave the camera disconnected.

XApp
Tether App
Frame.io / FTP
USB backup

How to use this document

Read this first for the assumptions, limits, and checks behind the menu settings.

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I

Default Connection Setting

In the field, start disconnected. Connect only when the connection has a defined job: remote control, location metadata, tethered review, image delivery, backup/restore, or Pixel Shift tethering.

Default

Airplane Mode is a field setting.

For C1 landscapes, C3 street, C4 indoor sport, C6 Pixel Shift, and any long battery-dependent field day, keep wireless off unless you are actively using it. Avoid discovery, upload, pairing, and pending-transfer states during capture.

The official GFX100S II manual groups smartphone connection, webcam use, tethered photography, Frame.io upload, FTP upload, RAW processing, and backup/restore under Network/USB features. It also describes indicator-lamp and EVF/LCD connection-state feedback.
II

Connection Profiles

Connection profiles are part of camera state. Treat them like banks: named, intentional, and reset after they are no longer needed.

ProfileUse forLeave active?Check after firmware?
Universal / disconnectedDefault still-photo field work.Yes, for most banks.Yes. v1.20-style updates can reset connection setting to Universal.
XApp / smartphoneGeotagging, image transfer, occasional remote view, firmware awareness.No, unless actively using it.Yes. Pairing procedure changed with newer firmware.
USB tetherStudio portrait, architecture review, controlled product or copy work.No, unless the session is tethered.Yes. Confirm cable mode and capture software.
Frame.ioCollaborative delivery with known network and bandwidth.No for normal field work.Yes. Reconfigure after wireless/security updates.
FTPInstitutional, event, or newsroom-style delivery.No unless required.Yes. Confirm server, credentials, folder, and upload rules.
Backup/restoreSettings maintenance via USB and Fujifilm software.No, only during maintenance.Yes. Confirm current Fujifilm software path.
III

Connection Modes

Each connection mode has a narrow place. The wrong connection at the wrong time wastes battery, slows the session, or creates recovery confusion.

ModeUse forDo not use forBefore capture
FUJIFILM XAppOccasional remote view, geotagging, image transfer, firmware awareness.Critical Pixel Shift release, long unattended field sessions, or anything where connection delay adds uncertainty.Confirm whether location data, transfer, or remote control is actually needed.
FUJIFILM TETHER APPTethered shooting and backup/restore workflows now recommended by Fujifilm.Casual field work or sessions where cable/connection state adds risk.Test on the actual computer before client work.
X AcquireLegacy/currently documented backup/restore and image transfer path.As a long-term sole dependency without checking Fujifilm's current software direction.Confirm compatibility and backup file creation.
Frame.ioCollaborative jobs where rapid delivery has more value than battery and bandwidth conservation.Precision capture, Pixel Shift, or slow-location work where background transfer distracts.Confirm account, network, upload queue, and file type.
FTPInstitutional or event workflows with known network infrastructure.Fine-art field work without a clear delivery need.Confirm credentials and target folder with a test file.
USB RAW / backup restoreMaintenance, firmware prep, restoring known settings.In-field emergency unless a laptop and cable are already part of the job kit.Use a written critical-settings sheet as fallback.
IV

Bank-Specific Use

Network behavior should follow the shooting bank, not a general preference for being connected.

C1 Landscape
Usually disconnected
Use phone only for geotagging or remote preview when it does not compromise stability. Disable upload and pairing work during long exposures.
C2 Portrait
Tethering can be useful
Studio portrait sessions benefit from client review, but subject rhythm comes before screen approval. Keep a non-tether fallback ready.
C3 Street
Mostly disconnected
Street work needs discretion, instant response, and battery endurance. Use phone remote view only for deliberate low-angle work.
C4 Indoor sport
Disconnected during action
Indoor sport already stresses buffer, AF, and battery. Do not add transfer or pairing work while shooting.
C5 Architecture
Strongest tether case
Architecture often benefits from client review, angle approval, and controlled tethering. Secure cable routing before moving around the tripod.
C6 Pixel Shift
Disconnected or dedicated tether
For normal C6, disable wireless. For tethered Pixel Shift Combiner work, use a dedicated controlled setup and do not mix it with casual transfer states.
V

Tethered Shooting

Tethering is valuable when the screen changes decisions: client approval, set alignment, product detail, architecture framing, or repeated controlled captures.

  1. Define the tether purpose. Client review, remote release, automatic transfer, or Pixel Shift tethering require different discipline.
  2. Use cable management. Secure the USB-C cable to the tripod or stand. Cable drag is a camera movement problem.
  3. Set power expectations. USB-C power can help, but confirm power delivery and battery behavior before the job.
  4. Test naming and folder location. A beautiful tether is useless if files land in the wrong folder.
  5. Decide card recording behavior. Know whether files are saved to card, computer, or both in the chosen workflow.
  6. Restore disconnected state afterward. Tether settings should not follow you into street, landscape, sport, or Pixel Shift field work.
VI

Transfer and Upload

Background transfer is not neutral. It competes for battery, attention, and network reliability. Use it only when delivery speed matters more than capture simplicity.

Delivery pathBest fitRisksField rule
Manual card ingestFine-art, landscape, Pixel Shift, most personal work.Slowest delivery.Most reliable default.
XApp transferSmall JPEG/HEIF handoff, location notes, quick phone use.Pairing friction and battery use.Do it after capture, not during critical work.
Frame.ioCollaborative jobs with remote review.Pending upload queues, network failure, accidental background work.Use only with clear delivery requirements.
FTPInstitutional/event delivery.Server credentials and folder mistakes.Test with a non-critical file first.
Tether transferStudio, architecture, product.Cable movement and software dependency.Use a controlled setup and a card fallback.
VII

After Firmware Updates

Wireless behavior is one of the most likely areas to change across firmware.

Version sensitivity

Rebuild connection settings after firmware changes.

Fujifilm firmware v1.20 changes wireless communication behavior, removes older Wireless Communication menu paths, and notes that SELECT CONNECTION SETTING may reset to Universal Setting. After any firmware update, rebuild XApp, Frame.io, FTP, tethering, and backup/restore deliberately.

  1. Update smartphone apps first. Use current FUJIFILM XApp rather than relying on older Camera Remote habits.
  2. Delete stale pairings if needed. Re-pair cleanly after wireless-security changes.
  3. Rebuild connection profiles. Treat Frame.io, FTP, and tether profiles as reset until tested.
  4. Confirm indicator-lamp meaning. Red, orange, and green states matter because they reveal pending upload or disconnected status.
  5. Run a disconnected-state check. The field default should be quiet unless the next session requires otherwise.
VIII

Connection Failure Signatures

Connection failures are often state failures, not hardware failures. Read the indicator state, then decide whether the connection should exist at all.

SymptomLikely causeFixPrevention
Camera will not pair after updateOld app, stale pairing, changed wireless-security behavior.Update XApp, delete old pairing, pair again.Rebuild smartphone connection after firmware updates.
Indicator shows pending uploadFrame.io or FTP queue remains active.Stop upload or switch to disconnected field profile.Check indicator lamp before leaving client work.
Tether session dropsCable movement, power, computer sleep, wrong connection profile.Secure cable, disable sleep, select correct profile, test again.Use tether checklist before client arrives.
Battery drains unusually fastWireless, tethering, upload, or Pre-AF left active.Airplane Mode or disconnected profile; review power settings.Post-session reset routine.
Backup/restore unavailableWrong USB mode, wrong software, or missing current Fujifilm app.Select USB RAW CONV./BACKUP RESTORE and use current Fujifilm software.Test backup workflow before firmware day.
Files transferred to wrong folderTether or FTP destination left from previous job.Move files carefully; update destination before continuing.Use project-specific folder naming before capture.

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