Folks facing issues with Wi-Fi after having updated your Samsung Galaxy S with ICS Android 4.0.3 firmware need not worry anymore as we have come up with the much needed fix in this article. The only thing you need to do is update your Galaxy S with the Kernel, which will repair all the Wi-Fi bugs present in your ICS 4.0.3 firmware build. You do not need to root your phone to flash this Kernel.
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 update procedure is only applicable to Samsung Galaxy S phones that are network unlocked so do not try it in any other devices as it might not be reversible and will harm the device by blocking it.
Backup all user data present in your phone since chances of data loss or corruption are there. Having a backup can help you to replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.
Steps to Fix Wi Fi Issues in Samsung Galaxy S GT I9000 on Android 4.0.3 Firmware:
Step-1: Download Android 4.0.3 Wi Fi Fix Package from the Must Have section to your computer. Connect the smartphone via original USB Cable obtained at purchase time and copy the downloaded zip file to your phone’ SD Card without renaming or modifying it.
Step-2: After copying is done, remove the connected USB Cable and power off your phone to enter into Recovery mode. The Recovery mode can be entered by pressing the Volume Up key + OK button and holding both press Power button simultaneously. If the device boots up in normal mode, try to enter into Recovery mode repeatedly using the correct button combinations.
Step-3: In Recovery mode choose the option of “Install zip from SD Card” > “Choose zip from SD Card” then select the file named as “WIFI_Fix_GalaxyS_4.0.3” and wait for 10-15mins so that the Kernel is successfully updated. Now choose “Wipe data/ Factory reset” to delete all cache files then choose “Wipe Cache partition” and reboot your device by clicking on “Reboot System Now” option.
Step-4: After its done, choose the option of “++++Go Back++++” then select “Reboot system now” option to reboot the device. As it is the first boot after Kernel installation, rebooting might take up to 15mins so you have to be a little
If the device reboots in Loop manner or stays in “S” Logo for more than 15mins, reinsert the battery then follow the instructions again from the beginning. Thus you can easily fix the Wi Fi issues in Samsung Galaxy S on Android 4.0.3 firmware by following the above mentioned steps.