How to Unbrick Galaxy S4

The Samsung Galaxy S4 is a high end Android smartphone that can be easily customized and optimized. But when first buying an Android device, it will be delivered with various factory, carrier and default restrictions and pre-installed apps, which will slow down your phone. In that matter, most of the users will try in unlocking and in tweaking the Galaxy S4 by applying several unofficial procedures. Now, while doing so, you can end up in bricking your handset, so a fixing method will be more than appreciated. Due to same reasons, during the following guidelines I will show you how to easily unbrick the Galaxy S4.

Unbricking the Galaxy S4 is an easy thing to perform but only if you know what problem you have to fix. So, in that matter, on this guide I will try to explain the main issues that might brick your Galaxy S4 and then I will also explain you how to easily fix these problems. It is important to know that if you have hardware bricked your S4, there is nothing you can do – the operations from below will not work for you, unless you just soft bricked your Android smartphone.

Good; now as I have already mentioned, usually you can brick your Samsung Galaxy S4 while performing unofficial operations like gaining root access, unlocking the bootloader, installing a custom recovery image, flashing a custom ROM firmware, removing bloatware, overclocking the CPU, installing a custom kernel and so on. Now, since these procedures are unofficial ones, the warranty of your phone will be void. So, if something bad happens you won’t be able to take you Galaxy S4 back to service in order to ask for technical assistance. Because of that, you will have to learn how to manually unbrick or fix your bricked Samsung Galaxy S4.

The problems that you might notice on your Android smartphone might be similar with the following ones: you can’t use your phone properly, there are many bugs, the system runs with lags, you can’t boot into Android OS, your device boots only in recovery mode, you get force closes errors, the screen is constantly freezing, you are stuck in a boot loop, you can’t turn off / on your device, the battery drain fast, your Galaxy S4 is slow and so on. Well, the best is that you can now easily learn how to fix all these issues by following the guidelines from below, so don’t hesitate and check the same.

But first, if possible (if you can still use the menu of your phone) you need to prepare some things. For example, the best will be to save your personal data, info and accounts by making a backup operation. In order to do so you can anytime use compatible backup and restore programs from Google Play – use these tools and save everything that’s stored on the internal storage memory of your Samsung Galaxy S4 including text messages, call logs, internet settings, EFS folder, market apps or contacts list.

Then, after taking care of the backup, you need to ensure that a computer, your phone and its USB cable are near you. On the computer you should first deactivate the security protection, while on your device, if possible enable USB debugging option from path “menu – settings – developer options”. Your Galaxy S4 should also be charged – if the battery status indicates less than 50% power left, plug in the charger before going any further. Finally, it should be clear for you that this step by step guide represents an “unbrick” method compatible only with the Samsung Galaxy S4. Don’t use the steps from below for fixing any other Android based smartphone or tablet, because you will just end up in messing things up.

How to unbrick Samsung Galaxy S4

Make a Hard reset

Usually, when your Galaxy S4 is dealing problems like lags, force closes errors, lazy Android OS, or even issues more complex like boot loop errors, or force closes problems, you can fix the same by making a hard reset. The hard reset can be applied in many ways though we are recommending you the soft or the hardware procedures – just use the link from below for further info. Also, after making a hard reset, the best will be to clear cache, but we will talk about this during the following lines.

Resolve boot loop issues

In rare cases, after installing a custom ROM or even an official Android firmware, your Galaxy S4 might get stuck in a boot loop. Also, you might experience different lags, or bugs, which can be easily fixed if you know what to apply. In that matter, if you want to fix your bricked Galaxy S4 I recommend you to follow the next steps.

  • Turn off your Galaxy S4.
  • Wait a few seconds and then press Volume Up, Home and Power buttons at the same time.
  • Keep pressing these keys until recovery mode is being displayed.
  • From recovery select “wipe data factory reset”.
  • Also, choose “wipe cache partition”.
  • Then select “advance” and pick “wipe dalvic cache”.
  • In the end return to Android OS by selecting “reboot system now”.

Downgrade Samsung Galaxy S4 to stock Android OS

Good; now there were the easiest methods to apply when dealing with various problems. If the procedures explained aren’t useful and your Galaxy S4 is still bricked, try to install the stock Android firmware on your phone. In this way you will be able to revoke root access, relock the bootloader and restore your SGS4 to its initial state. In that matter do follow:

  1. Download Odin on your computer.
  2. Also download Samsung KIES and install Galaxy S4 drivers on your PC.
  3. Unzip Odin and install the program by following to on screen prompts.
  4. From this page download the stock Android OS compatible with your Samsung Galaxy S4.
  5. Unzip the firmware file on the same folder as Odin.
  6. On your computer run Odin and then turn off your phone.
  7. Press Volume Down, Home and Power buttons on your Galaxy S4 until download mode is being displayed.
  8. Establish a connection between your device and your computer by plugging in the USB cord.
  9. On Odin now the “added” message should be displayed and the ID:COM section should turn yellow or blue.
  10. If not you will have to close the program, reinstall the drivers on your computer and retry the steps from above.
  11. Now from Odin click on “PA” and select the firmware file.
  12. Also, don’t make any other changes on the program, just click on “start”.
  13. Wait while stock Android OS is being flashed on your Galaxy S4 and in the end (when on Odin the “pass” message will be displayed and when the ID:COM section will turn green) unplug the USB cable and reboot your phone.
  • Troubleshooting

If while you are using Odin, the program gest stuck, you need to close it; also remove the USB cord and force restart your device. Then retry the steps from the guide explained above. Also, after downgrading to stock ROM, you should wipe the data and clear cache (as already explained) for obtaining a pure Android experience.

That was all for now, so you should know how to easily unbrick your Samsung Galaxy S4. If you have managed to fix your bricked Galaxy S4 by suing our method, don’t hesitate and share your experience with us and with other users by using the comments field from below. Also, if you are still experiencing issues, feedback us and we will try to assist you as soon as possible.

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