Galaxy S I9000

Update Galaxy S GT I9000 with Stable Jellybean 4.2.1 Firmware – Guide : Recommended by AndroidAdvices

Jellybean 4.1 LogoIn a bid to make you experience the latest state of Art Jellybean 4.2 firmware in your Galaxy S I9000 smartphone, you can now install the C-RoM Mix v5.0 firmware which we will be checking out on how you can install the same. Please note that this custom ROM firmware come with a host of features which we have summed up with the help of screen captures below. So, over a period of this article we will be checking out on how you can install this firmware in your device. This ropes in the latest Jellybean 4.2.1 firmware.

Since this is the custom ROM firmware, you will be required to root the device. To check on whether your device is rooted or not, you will have to download the “Root Checker” app from the Google PLAY Store. Just in case if the device is not rooted, with the help of below instructions you can root the device.

Procedure to Update Galaxy S GT I9000 with XXJW4 Firmware

Procedure to Root Galaxy S GT I9000 on XXJW4 Firmware

After rooting, download the “ROM Manager” app from the Google PLAY Store to select the option of “Flash Clock Work Mod Recovery” in the ROM Manager app. Ensue that the minimum battery life is not less than 30% or else the device will get turned Off in the middle of firmware update.

Over the process of installing this update, there is a probability that the data might get lost or corrupted, so with the help of below mentioned steps you will have to create a backup of all your data. Don’t backup with the help of ROM Manager or with KIES.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log – Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

From the path “Settings > Applications > Development > USB debugging”, enable the USB Debugging, ensure that the USB debugging option is ticked.

Disclaimer: Follow all the instructions mentioned in this article as if there is any damage caused due to not following instructions then we shall not be held liable or responsible. Just in case if you face any issues then we will try our level best to address the same.

So assuming that you are done with all the above mentioned steps, you can now head over to the next page where we have summed up a detailed guide on how to apply this firmware update.

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