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Troubleshooting

DiPlay Keeps Disconnecting: Handoff, Hotspot and USB Checks

Measure when the disconnect happens. A repeat around 45 seconds after working audio/video is different from weak-radio dropouts or an app-window change.

Source review: How we review reports

Symptom

CarPlay starts, then closes or reconnects while music/navigation was already working.

Possible causes

Logs in #52/#72 describe a Bluetooth-to-Wi-Fi tunneled-iAP2 timeout after successful audio/video. #41 and #35 also show phone/OS-dependent reports. Radio interference alone is not a proven explanation.

Quick checks

  1. Note the elapsed time and export diagnostics immediately after the drop. Look for handoff timeout versus startup failure.
  2. Compare built-in hotspot and USB on the same phone/build, changing one setting at a time.
  3. Record whether opening the reversing/surround-view camera, rotating the screen or switching apps triggers the drop.
  4. Check a second iPhone only if available; preserve exact iOS versions instead of combining results.

Reported results & workarounds

#35 includes one 0.2.8 follow-up saying a song played about three minutes without disconnecting. That is short-session feedback, not a long-drive validation. #72 was asked to retest 0.2.8; no confirmed result is captured.

Version status

Open PR #89 proposes keeping the session through surround-view window changes. It is not merged or part of the reviewed release. Do not install unrelated forks solely on an assumed fix.

Reported setups

The following are source reports, not a universal affected-car list. Unknown fields remain unknown.

BYD Seal U DM-i · DiLink 3.0 · Android 10

iPhone 14 / iOS 16.3 · DiPlay 0.2.0
Works with known issues

Repeated disconnect/reconnect on the named phone. The vehicle name/year combination is retained as reported, not independently validated.

View original report
Last verified: 2026-10-01
BYD Seal U DM-i · DiLink 3.0 · Android 10

iPhone XS Max / iOS 18.7.1 · DiPlay 0.2.0
Limited evidence

Reporter says the reconnection problem does not occur with this phone. Test duration and wireless method unknown.

View original report
Last verified: 2026-10-01
BYD Unknown · DiLink 4.0 · Android 9

iPhone 13 Pro / iOS 17.7.2 · DiPlay 0.2.8
Limited evidence

Same commenter previously listed DiLink 4.0 / Android 9, iPhone 13 Pro / iOS 17.7.2 and car hotspot; exact model not given. The 0.2.8 follow-up reports one song playing about three minutes without disconnection. Short session only, not long-drive or all-feature verification.

View original report
Last verified: 2026-10-01

Related GitHub issues

Closed does not necessarily mean fixed. The source is authoritative for later updates.

#35 · Closed · 2026-09-30#41 · Open · 2026-10-01#52 · Open · 2026-09-30#72 · Open · 2026-09-30

Related guides

Sources