An awesome student from our education program made this wiki. It is not managed by iFixit staff.
- Phone Will Not Turn On
- Calls and Voicemail Will Not Work
- Buttons Will Not Work
- Camera is Not Working
- Turning Off or Freezing
Phone Will Not Turn On ¶
The Phone will not respond or show any sign of powering up.
Phone is Not Charged ¶
Every phone battery will not stay on forever, even if it is a good or new battery. Connect the Micro USB charger to the phone then the USB type A to the the wall adapter then to the wall socket. When the battery charging icon is displayed, the phone is charging. When the phone is turned on, you can always see the battery power level.
Charger is Faulty ¶
The problem may not be from the Phone, it may be from the Charging Cord being used. Try to use the Charging Cord with another device. If it does not work you need to get new Charging Cord.
Faulty Battery ¶
Plug your Galaxy in using a charger that you know works. If the Phone still does not charge, this is a sign of a faulty battery and the battery needs to be replaced.
Calls and Voicemail Will Not Work ¶
The phone is not sending or receiving calls or you may not be able to communicate with the other person
Network is Out of Range ¶
If you've set your phone to use a specific phone provider, occasionally you may not have signal to the network if the selected phone provider is out of range. Contact Phone Provider for assistance.
Speakerphone could be broken ¶
If the above steps does not work, your speaker may be faulty and it should be replaced
Microphone could be broken ¶
If the above steps does not work, your microphone may be faulty and it should be replaced
Buttons Will Not Work ¶
The buttons may not respond or may be broken
Faulty Touch Controls and home button ¶
If you restart your phone and that does not working, your touch controls may be faulty and you need to replaced your home button.
May have Software problems ¶
Try restarting your Galaxy, or resetting to factory settings.
Camera is Not Working ¶
The Camera on the phone may have marks on it or is not showing a picture.
Frame bezel may be cracked ¶
The issue could probably be that the plastic cover over the camera that protects it may be cracked. Touch the plastic over the camera and if you do feel a crack then it may need to be replaced
The Camera is not working at all ¶
If the above step does not work try doing a Factory Reset, if that does not work than Camera is faulty and needs to be replaced.
Turning Off or Freezing ¶
If your J3 isn’t working properly, freezes or is turning off here is what to do. In some cases closing background applications can also be helpful if you continue to face issues.
Soft Reset ¶
A soft reset may help with many issues like freezing and number of other issues. Here is how to do a soft reset on the J3.
1.Turn your device off and remove the back cover.
2.Remove the battery, and wait for 10 seconds before inserting the battery back in.
3.Turn your J3 back on, and see if the problem has been solved.
Try Clearing the Application Cache ¶
Clearing the application cache will clear any saved data from that app and will restart the app to the first time it was installed. To clear the application cache. We’ll show you how below:
1.Tap My Account from the home screen. Swipe left to open up the Device Diagnostics.
2.Tap Power Usage, and tap Battery Usage.
3.Tap on an individual application.
4.Tap App Info, and tap Clear Cache.
*If you’re still having problems, make sure that your device has been updated.
Factory Reset ¶
A factory reset is a drastic method, and it will erase all of the information stored on the device. This includes passwords, images, texts and apps. There are a number of things you can do to backup your data beforehand. It’s strongly advised to make a backup, because it’s easier than starting over from scratch. To do a factory reset:
1.Tap Apps from your Home screen.
2.Tap the Settings option in this menu.
3.Find and tap Backup and reset, and tap Factory Data Reset.
4.Tap Reset Device, and tap Delete All to confirm your selection.
5.Your device will now reset, and it’ll restart once it’s completed.
*This should be seen as a last-ditch effort, so don’t go for it unless you’re sure there’s nothing else you can do.
When an error is shown on screen
Error 67 ¶
If you see an Error 67 the you may have mobile hotspot issues :
Connect to the mobile hotspot but can't browse.
1.Tap Apps from the home screen.
2.Tap Settings, and tap Data Usage.
3.Ensure that the Mobile data switch is on.
If you’re still having issues, it’s advised to soft reset your device, as it should help you to get reconnected with your network