VoIP.info Troubleshooting

Linphone 6.2.4 history, contacts or settings are missing after an update

Find the first mismatch across artifact, installed build, user profile, legacy path assumptions, databases, account deletion, provisioning and support evidence.

Reviewed 2026-10-24Official Linphone 6.2 release, stable desktop archives, remote-provisioning, URI-handler, version-scoped file-tree and support-log documentation was reviewed October 24, 2026. The Windows, macOS and Linux stable archives listed desktop 6.2.4 dated October 22, 2026. Package listing, retrieved artifact, signature, installed build, effective user profile, configuration, databases, provisioning result, account deletion, transfer behavior, URI handling, log upload and completed calls remain separate evidence. The first-party file-tree page explicitly describes desktop 4.2, so its paths and filenames are investigation leads rather than proof of effective 6.2.4 storage. No package, installation, workstation, mobile device, profile, database, provisioning service, SIP account, PBX, transfer, message, support upload, packet, media stream, availability, compatibility or call was inspected or testedAdvancedDocumentation based · not lab tested

Freeze one affected user and the exact installed build

Record the first affected launch, expected and visible data, operating system, signed-in user, package source, executable path, About version and whether the change followed update, migration, account deletion, provisioning or profile change. Preserve current directories and files read-only before reinstalling or clearing anything.

The stable archives list 6.2.4, but that does not prove it is installed. Compare with one approved unaffected profile or pre-change evidence without exposing other users.

Prove the profile and files the running process owns

Correlate process owner and executable with effective configuration and data locations using recent file activity, application logs and controlled restart evidence. Inventory configuration, databases, companions, logs and attachment folders with hashes and permissions.

The published file-tree page is based on desktop 4.2. A legacy file in its documented location is a lead, not proof that 6.2.4 opened it. Stop before merging databases when schema or journal ownership is uncertain.

Classify each missing object and any deletion event

Check account selection, configuration, contacts, call history, conversations, meetings and attachments independently. If an account was deleted, preserve the exact confirmation and compare the documented local-data classes with actual post-delete state.

Do not treat local account deletion as server erasure, SIP credential revocation or backup deletion. A working registration does not prove history or contacts, and a restored contact list does not prove account or media settings.

Resolve provisioning and URI-handler ownership

Preserve the provisioning URL, retrieval result, XML hash, supported key, overwrite attribute and next-start application. Record any linphone-fetch-config or other URI-handler action that preceded the change. Compare local edits with the effective value after one controlled restart.

If managed configuration owns the setting, correct the authorized source. Do not repeatedly edit the client, remove TLS or wipe the profile to hide a precedence problem.

Create a sanitized, bounded support reproduction

Use Help and Troubleshooting only after identifying the approved recipient. Clear logs, reproduce once, stop collection and review the original locally. Redact passwords, tokens, SIP identities, IP addresses, domains, message content and unrelated call records from the smallest useful extract.

A successful Share logs action proves neither that the right interval was captured nor that the upload is safe, retained or viewed.

Restore one proven object and repeat the original workflow

After proving build, profile, owner and schema, restore the minimum approved configuration or database from a verified copy with rollback. Never replace files while Linphone is writing them. Confirm startup, account selection, registration, contacts, history, conversations, meetings, devices and logging separately.

Then repeat the original authorized call, transfer, URI or provisioning workflow and another restart. No package, workstation, database, account deletion, provisioning source, PBX, log upload, packet or call was inspected or tested for this diagnostic.

Sources & applicability

Primary references for the technical details above. Operational examples and planning checklists are VoIP.info editorial guidance.

Examples require adaptation to your topology. No live PBX or hardware testing is claimed.