Triage Android Install Errors

Mission

Classify synthetic parse, compatibility, storage, downgrade and signature-conflict messages.

Required work

1. Group errors by package, device, storage and signer cause
2. List non-destructive checks for each group
3. Identify when backup is required
4. Explain which warnings should stop the installation

Evidence to produce

A decision tree that chooses safe diagnostics before uninstalling or deleting data.

Quality checks

The result must identify its source data, separate observation from assumption, preserve supplied originals, and explain any limitation or uncertain conclusion.