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Samsung Galaxy J5 keeps showing “Unfortunately, Contacts has stopped” error [Troubleshooting Guide]

The error “Unfortunately, Contacts has stopped” on your Samsung Galaxy J5 means that the built-in contacts app crashed for some reason. The error alone doesn’t tell us what the real problem is, it only shows us the result of the issue.

Based on our experience, since this problem is not new to us, it may be just an issue with the app itself. It can also by just a symptom of a looming complex firmware problem that needs your immediate attention. So, the course of our troubleshooting will be to rule out one possibility after another until the error won’t show up anymore.

Continue reading the steps below to know how to troubleshoot your Galaxy J5 that’s bugged by this error message. While we don’t suggests methods that could potentially harm your device, a lot of things could happen while troubleshooting due to human error so please proceed at your own risk.

But before we jump right into our troubleshooting, if you have other issues with your phone, make sure you drop by our troubleshooting page for we have already addressed a lot of issues with this device. Try to find problems that are similar with yours and use the solutions we suggested. If they don’t work for you and if you need further assistance, contact us by filling up our Android issues questionnaire.

Step-by-step guide to troubleshooting Galaxy J5 with “Contacts has stopped” error

The purpose of this troubleshooting guide is for us to know what the real problem with your phone is so that we would know what to do to fix it. We cannot guarantee that the problem will be fixed but don’t stop doing something for it to work. Follow the steps below to try and fix the phone…

Step 1: Clear cache and data of the Contacts app

This will reset the app itself. Deleting its cache and data means you will be getting rid of the files generated by the system to make the app run smoother every time you open it. You will also be deleting files accumulated by the app itself considering the fact that some of them got corrupted, they can cause issues like this.

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Applications.
  4. Tap Application manager.
  5. Tap Contacts in the default list or tap MORE > Show system apps to display built-in apps.
  6. Tap Storage.
  7. Tap Clear cache.
  8. Tap Clear data and then tap OK.

Step 2: Run your Galaxy J5 in Safe mode

If the error still shows up after resetting the app, then you should try to isolate the problem because maybe it’s caused by one of the third-party apps. To do this, you need to boot your device in safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the screen with the device name.
  3. When ‘SAMSUNG’ appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. Safe mode will display in the bottom left corner of the screen.
  7. Release the Volume down key when you see ‘Safe Mode’.

While in this mode, try opening Contacts and see if the error still shows up. If not, then one or some of the apps you might have recently installed is causing the problem. You need to find that app and uninstall it. If you suspect more than one app, uninstall one after another and open Contacts every time you do. This is how you uninstall an app from your J5:

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Applications.
  4. Tap Application manager.
  5. Tap the desired application
  6. Tap Uninstall.
  7. Tap Uninstall again to confirm.

Step 3: Wipe cache partition to replace old system caches

The system itself creates its own caches of every app and service that runs in the background. There are a bunch of those files in your phone and if some of them get corrupted, issues like this may also occur. The thing is, deleting them will do good for your phone than harm and the procedure in doing so is safe for your data and files. So, follow these steps to try to rule out this possibility:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Home key, then press and hold the Power key.
  3. When the device logo screen displays, release only the Power key
  4. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  5. Press the Volume down key several times key to highlight ‘wipe cache partition.’
  6. Press the Power key to select.
  7. Press the Volume down key to highlight ‘yes’ and press the Power key to select.
  8. When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  9. Press the Power key to restart the device.

Step 4: Backup your files and data and do the Master reset

After you’ve wipe off the cache partition and the error still shows up when you open Contact, then you have no choice but to reset your phone but make sure to backup your important files and data as they will be deleted during the reset. Then, disable the Factory Reset Protection (FRP) or anti-theft feature so you won’t be locked out of your phone after the reset.

How to disable FRP or anti-theft on Galaxy J5

  1. From the Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Accounts.
  4. Tap Google.
  5. Tap your Google ID email address. If you have multiple accounts setup, you will need to repeat these steps for each account.
  6. Tap More.
  7. Tap Remove account.
  8. Tap REMOVE ACCOUNT.

How to reset your Galaxy J5

  1. Back up data on the internal memory. If you have signed into a Google account on the device, you have activated Anti-theft and will need your Google credentials to finish the Master reset.
  2. Turn off the device.
  3. Press and hold the Volume Up key and the Home key, then press and hold the Power key.
  4. When the device logo screen displays, release only the Power key
  5. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  6. Press the Volume down key several times key to highlight ‘wipe data / factory reset.’
  7. Press Power button to select.
  8. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  9. Press Power button to select and start the master reset.
  10. When the master reset is complete, ‘Reboot system now’ is highlighted.
  11. Press the Power key to restart the device.

Alternatively, you can reset your phone in Settings menu as well…

  1. From the Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Backup and reset.
  4. If desired, tap Back up my data to move the slider to ON or OFF.
  5. If desired, tap Restore to move the slider to ON or OFF.
  6. Tap Factory data reset.
  7. Tap Reset device.
  8. If you have screen lock turned on, enter your PIN or password.
  9. Tap Continue.
  10. Tap Delete all.

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