Direct answer
Use the setup cable when both phones support it because it usually transfers more reliably than wireless. Account data, app binaries and photos may copy separately; authenticator secrets, secure folders, work profiles and some app data require their own migration.
What this covers
- A new Android phone set up from an available old Android or iPhone
- The exact condition described in the direct answer
- Customer-accessible observations and controls
What it does not cover
- ×A different model, region or software interface that contradicts the cited source
- ×A displayed code with a separate manufacturer meaning
- ×Live electrical, gas, sealed-system or battery-cell repair
Establish the exact starting state
ReversibleBack up the old phone, charge both devices, confirm the destination Google Account and locate the correct cable or adapter.
Separate the fault or decision boundary
ReversibleList data that is cloud-synced, device-local or app-protected so a missing item is not mistaken for a failed whole transfer.
Apply the narrowest correction
ReversibleRun the setup transfer once, then migrate protected apps and accounts using their provider-specific export or recovery method.
Verify before escalating
ReversibleCompare contacts, photos, messages, downloads, two-factor access, work profile and a fresh destination backup.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What is the short answer to “Transfer data to a new Android phone and verify what did not copy”?+
Use the setup cable when both phones support it because it usually transfers more reliably than wireless. Account data, app binaries and photos may copy separately; authenticator secrets, secure folders, work profiles and some app data require their own migration.
What should I check before changing anything?+
Back up the old phone, charge both devices, confirm the destination Google Account and locate the correct cable or adapter.
How do I know the action worked?+
Compare contacts, photos, messages, downloads, two-factor access, work profile and a fresh destination backup.
When should I stop?+
Do not wipe the source phone until protected apps, local files and account recovery methods work on the destination.
Answer for the exact device and software version shown above.