Install Android 2.3 Update in Galaxy S II WiMAX ISW11SC

Sanjana February 21, 2012 0

Samsung Galaxy S II Wimax ISW11SC is another variation of Galaxy S II smartphone that is available in Japan by KDDI network provider. This phone was launched in Japan as it supported WiMAX connections but a number of users reported bugs mostly related to network. The good news is the latest Android 2.3 Gingerbread software update is now available for the users of Samsung Galaxy S II Wimax ISW11SC.

galaxy s ii wimax

Users can proceed with this update via three methods that is Wi-Fi, over WiMAX and using the PC connectivity since the update is available OTA i.e. Over The Air. It may take a mimimum of 20 minutes to apply this firmware update and the size of this update is 20 MB. Though there are no change logs released by Samsung or AU KDDI network operator but this update comes with a number of enhancements that we will be taking a look in a short while.

We wont be responsible for any harm caused to your device during the updation procedure that is unlikely to happen if you follow the instructions carefully. The updation procedure is not recommended for basic users but is for advanced users and is only applicable to Samsung Galaxy S II Wimax ISW11SC
smartphones that are network unlocked. Do not apply it in any other models of Samsung Galaxy S2 such as I9100G or in any other device as it might not be reversible and may harm the device by blocking it.

Let’s take a look at some of the enhancements that come with this new update.

  • Error of SMS getting automatically received as email is fixed
  • Issues while connected on WiMAX network is fixed
  • Wi Fi connectivity and mobile hot spot works perfectly without any issue


Backup all the user data present in your phone since chances of data loss or corruption are there. Having a backup can help you replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

Steps to Install Android 2.3 Update in Galaxy S II WiMAX ISW11SC:

You can proceed with the Android 2.3 firmware update by the following two methods:

  • Update via Wi Fi
  • Update via WiMax/3G/PC

We will check out each of the procedure in detail.

Steps to Update via Wi Fi:

Updating software via Wi Fi is one of the most recommended method as it will complete the updation within 5 minutes of time without any additional cost. In order to apply this update you require a Wi Fi signal access on your phone. Follow the steps mentioned below when you are ready.

Step-1: From your smartphone navigate to Settings > About Phone and choose the option of Software Update.

galaxy s ii wimax update

Step-2: Click on the option of Check for update and it will check whether the update is available or not. If its available click on the Download button to proceed via OTA. All the files required for update will be downloaded in a maximum of five minutes since it is accessed via Wi Fi. You must agree to all the terms and conditions.

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Step-3: After all the files are downloaded, tap on the option of Install. Your phone will automatically restart and will install the update. When all the files are loaded, your phone would restart again and after it’s over you will be able to use the new firmware in your phone.

Steps to Update via WiMAX/3G/PC:

Those of you who are using WiMAX or 3G network access from your mobile phone it will take approximately 20 minutes to apply this update and you will be charged accordingly to your data plans. This updation process via WiMAX and 3G is similar to that of the update via Wi Fi. The only difference is that you would be using your data plans and therefore incur the cost accordingly. In order to download the software update via PC follow the steps mentioned below

Step-1: You must install Samsung KIES in your computer and open the program after it is installed. Next connect your phone to the computer via USB cable.

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Step-2: On connecting your phone to the PC, you will receive a notification that the updates are available tap on the Install button.

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Step-3: The update will be downloaded to your phone and the rest will be done automatically. In case you were not able to update this firmware successfully re-apply the procedure again from the beginning.

galaxy s ii wimax update 4

Thus you can easily install the Android 2.3 update in your Samsung Galaxy S II Wimax ISW11SC smartphone by following the steps mentioned above carefully.

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