Quick answer
Start with the least destructive check, confirm the device state, and only then change settings. For this problem, the fastest route is usually: Sync the old phone before setting up the new one. Check whether contacts are stored on Google, phone, or SIM. Use vCard export for local-only contacts.
Before you start
- Sync the old phone before setting up the new one.
- Check whether contacts are stored on Google, phone, or SIM.
- Use vCard export for local-only contacts.
- Merge duplicates after all sources are visible.
Identify where contacts live
Android contacts can be stored in a Google account, phone memory, SIM card, or another app account. The storage location determines the transfer method.
Open the Contacts app settings and check accounts before exporting anything.
Use sync first
If contacts are already in Google, sign in on the new phone and wait for sync. Avoid importing the same contacts from SIM at the same time.
After sync completes, open the Contacts app and confirm the total count before adding other sources.
Clean duplicates last
Merge duplicates only after every account and import is visible. Cleaning too early can make duplicate groups return after the next sync.
Use the built-in merge tool rather than deleting names manually one by one.
Symptom checklist
| What you see | Most likely cause | First safe action |
|---|---|---|
| The device reacts, but the result is wrong | Wrong input, profile, mode, or account state | Confirm the visible setting before resetting anything |
| Nothing reacts at all | Power, cable, port, battery, or button issue | Test with a known good power source or cable |
| The problem comes back after reboot | Saved setting, weak signal, low storage, or failing accessory | Change one variable and write down what changed |
FAQ
- Are SIM contacts still useful?
- They are useful as a fallback, but they often store fewer fields and can create duplicates when Google sync is already active.
- Can I transfer contacts without internet?
- Yes. Export a vCard file on the old phone, move it by cable or Bluetooth, then import it on the new phone.