Thursday, September 25, 2014

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How to return back to Stock ROM

Android: A Complete Guide



Part: 5

How to return back to Stock ROM: After you have played with Custom ROMs


In the Android world it is often said that "If you have not played with it, you have not used it". Most people who are familiar with the Android development play with Custom ROMs (Operating Systems). These are made by developers who know their way around the Android File system and programming language. The purpose is to get more out of each and every device.

Many android users use these custom roms to personalize their device to their liking. However, sometimes it so happens that you need to take the device back to the original state, the state it was in when you took it out of the box. The reasons for doing so may vary from:

  1. Sending it for warranty repair
  2. Starting afresh
  3. Sorting out some bugs etc.
In this part I will guide you through the steps required for doing so.

Step 1: Download the Original Firmware (Complete OS, includes Boot image, Recovery image, sboot, partition information etc.).

The Original Firmware for your region may be downloaded from various sources:
In either of the above sources you will have to specify your OS name, Device Name, OS version and Region. After that you will be presented with a list of the latest firmwares. Download the firmware.

Step2: Reset the Binary Counter

If you have been into Custom Roms and have rooted your phone, most likely your binary counter is not 0.

You can check your binary counter by booting into Download Mode.
It can be done by pressing and holding Volume Down + Power + Home buttons together. You will get to Lcd which will ask you if you want to enter into download mode. Now press volume up button.

Here you will get all the information about your device status:

Odin ModeProduct Name: GT-I9300
Custom Binary Download: a number
Current Binary: Samsung Official/Custom
System Status: Official/Custom

Our purpose is to change the "Custom Binary Download" to 0.

For this we will require a special application know as "Triangle Away" made by XDA Elite Recognized Developer Chainfire. You can buy this app from the Playstore or download it free from XDA Developers website.

Once installed, fire up the app and follow the instructions given there. Dont worry it should not damage your device.

After it has done the trick, check the download mode again to see whether the binary counter has changed to zero or not.


Step 3: Flash the Official Firmware

Now you will need to flash the official firmware you had downloaded in the first step.

Open, Odin application on your pc and connect your phone (For detailed instructions check out this blog post)

After you have flashed the firmware, you have now reverted your phone back to the status it was in when you had bought it.

Please feel free to post your comments and questions.

Enjoy the Android Goodness!!









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