How to Fix Wi Fi Roaming Issue on the Samsung Galaxy S III I9300

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Wi Fi roaming bugs is one of the major bugs for android phone users. As of now, mainly three bugs are existed. The XDA forum member felixchris released a hack that fixes at least one of the three WiFi roaming bugs.

Fix Wi Fi Roaming Issue on the Samsung Galaxy S III I9300

Let’s see what are all the existing bugs:

1. The phone never tries to roam by, unless it completely loses signal. Then it connects to the strongest AP. This is the typical Galaxy S2 bug.

2.The phone never tries to roam, and on top of that tries to reconnect to the specific AP that it knows, even if it is right next to a better one while connecting. This has been observed on some Nexus devices, but is apparently fixed on the Galaxy Nexus running CM10.

3.The phone tries to roam as it can see a better AP, but drops the connection and reconnects to the stronger AP shortly after. That’s the typical Galaxy S3 and Galaxy Nexus bug, which is fixed by the hack described in this thread.

Within these three bugs, you can just fixed only the third bug. There are two methods to apply the fix. One is a version that doesn’t require a custom recovery, otherwise known as the old fashioned long way. The other involves flashing a zip in a custom recovery. Once installed Bug 3 shouldn’t be an issue any longer.

DISCLAIMER : Best Android Blog would not be held responsible/liable for any damages that takes place to your device by following this procedure. So, do everything at your own risk.

Pre requisites:

  • Before start to proceed we highly recommend you to take a full backup of your datas with the help of CWM-backup application. Because this is a risky procedure and there is a chance to wipe your datas. So, we strongly advise you to take backup.
  • Further, we also suggests you to charge your device battery fully to avoid the risk of your device getting switched off during the middle of the process. If you could not do so due to any unavoidable reasons then make sure your device have the battery level of atleast 60-70%.
  • Then disable all the antivirus suites both in your mobile and computer. Because this may interrupt in the installation process. If it does not interact then you no need to uninstall.

COMPATIBILITY : This procedure is one and only for Samsung Galaxy i9300 and the Samsung Galaxy Nexus i9250

Installation instructions for the Standalone-file (no Custom-Recovery needed):

1. First download the Standalone-file.zip and unzip

2. Then search for your original “wpa_supplicant”-file in \system\bin.

You can use any Explorer that offers root-acess but be sure you set the permissions to rwx r-x r-x if you use another file explorer as i mentioned. It is needed for the file to have the permission to be executed. (f.e. Root Browser Lite)

3. Then copy your original “wpa_supplicant”-file to any location you will remember in case anything goes wrong.

4. Delete the original “wpa_supplicant”-file from the folder

5. Paste the modified “wpa_supplicant”-file downloaded from here in \system\bin. Make sure the file still is named “wpa_supplicant”

6. Reboot your device.

Please keep in mind that before you start to proceed the given below installation instructions you should know how to use a Custom Recovery. Unless you are not suppose to proceed.

Installation Instructions for CWM Flashable-file (CWM-Recovery needed):

1. First download the Flashable CWM-file.zip

2. Then copy the downloaded file to your SD Card.

3. Search for your original “wpa_supplicant”-file in \system\bin.

You can use any Explorer that offers root-acess but be sure you set the permissions to rwx r-x r-x if you use another file explorer as i mentioned. It is needed for the file to have the permission to be executed. (f.e. Root Browser Lite)

4. Copy your original “wpa_supplicant”-file to any location you will remember in case anything goes wrong.

5. Reboot to recovery and flash the downloaded file.

6. Reboot your device.

Your device should now roam correctly from one AP to another. Enjoy!

About Sarvesh Darak

Sarvesh Darak is a blogger, an online marketer, a social media specialist and an Android Lover. At Best Android Blog, he writes Android news & tutorials for Android Rooting. He is the tech head and ensures that the blog keeps running at good pace. He also looks after all the SEO and promotion work. He’s from Surat, India and keep contributing regularly at the blog.

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