Samsung Galaxy S4 Repair

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Samsung Galaxy S4 Common Issues

The Samsung Galaxy S4 remains one of the best smartphones for the price, carrying an impressive cost to feature ratio. That being said, it’s not unlikely to face a couple of issues when using a device that’s over 2 years old. Below are some common problems you may encounter with the S4 and their solutions.

Randomly Rebooting

If your Galaxy S4 shuts down intermittently without the push of any buttons, you may have a faulty power button, a bad battery, or a crashing app. Before attempting any solutions, it’s a good idea to figure out the cause. First, test for an app or software issue by booting the phone in safe mode. To do this:

  1. Turn off the phone completely.
  2. Press the power button to reboot the device.
  3. When the Samsung logo appears on screen press and hold the volume down
  4. Continue to hold volume down until the phone boots all the way.
  5. You should see a black bar with white letters near the bottom of your screen that says “Safe Mode”.

Now, use your phone as normal and see if it stays on. If this solved your issue, uninstall any recently added apps and reboot your phone. If the problem continues even while in safe mode then it’s likely that your issue is related to the hardware. If you’re having hardware trouble, it is best to let one of our skilled repair technicians diagnose the problem. Bring your Galaxy S4 into your nearest My Broken Phone and have a tech look at your phone free of charge.


A warm feeling while charging the S4 or while playing a game is normal and nothing to be concerned about. However, if your device begins to get unbearably hot, to the point where you’re afraid to hold it in your hand, you are likely experiencing a short in the motherboard or peripheral component. It is advised to immediately stop using your phone, pull the battery, and bring the device into your nearest repair shop as soon as possible. While it is unlikely (but possible) that your device will burst into flames, there is a very high chance that you will further damage the phone, possibly making future repairs impossible.

Contacts app will not open ( has stopped)

If you’re unable to view your contacts on the Galaxy S4, before attempting a factory reset and losing all of your data, try this quick fix.

  1. Open the settings app. (If the crashing is so frequent that you can’t access the settings app, boot your phone in safe mode.)
  2. Go to Applications
  3. Near the top, tap on or slide to “All”.
  4. Look for “Contacts” and “Contacts Storage”
  5. Tap on “Contacts”.
  6. Scroll down and tap “Clear Cache”. Do not press “Clear Data”.
  7. Hit your back button and tap on “Contacts Storage”
  8. Scroll down and tap “Clear Cache”. Still, do not press “Clear Data”.
  9. Reboot your device.

This will solve most issues with the contacts app stopping.

Common Samsung Problems

Broken Screen

Many of Samsung’s Galaxy S and Note series devices use what’s known as an AMOLED screen. In this type of display, the LCD and digitizer are fused together, allowing a thin and high quality touch screen. If you’ve ever broken the glass on a Galaxy device, you may have noticed that you were still able to use the phone as usual. This is because the top layer of glass is not a hardware component of the phone; it’s simply a sheet of glass glued to the LCD display.

If your shattered Samsung AMOLED screen functions properly, you will find two choices when searching repair options.

Glass Only Replacement

At My Broken Phone, our skilled technicians can carefully remove and replace only the top layer of glass without damaging the expensive and fragile LCD screen beneath. This allows us to repair your Galaxy device at an exceptionally low price.

Full Assembly Replacement

Rather than separating the glass from the screen underneath, we can also replace the entire “assembly” – the LCD, digitizer, and top glass unit. This process results in a factory quality repair which will avoid common issues with the glass only option. If your Galaxy S screen doesn’t operate correctly after incurring damage, you may need to have the full assembly replaced even if the top glass isn’t broken.