Galaxy S II GT I9100G

How to Update Galaxy S II GT I9100G with Latest Cyanogen Mod 9 Firmware

Galaxy S2 LogoTime has now come for Samsung Galaxy I9100G users too to enjoy the magic of Cyanogen Mod 9 firmware. This Cyanogen mod 9 update comes at a time when most of the users demanded for more custom ROM firmwares as more developers were developing for I9100 model and not for I9100G model of Galaxy S II. So, in the due course of this article we will be checking out on how you can install this CM9 update with the help of a simple tutorial. Please ensure that this is not an Official firmware update released by Samsung and is a custom ROM firmware developed by Cyanogen Mod team.

Disclaimer: We should not be held liable for any damage caused in the process of applying this rooting process in your device. It is very unlikely that your device will be damaged if you follow all the instructions to the point which are mentioned in this article.

Over a period of this article we will be checking out on what are the things you need to follow in the pre requisites section and then followed by which the detailed guide on how to apply this update has been mentioned.

Rooting Information: To apply this update, the device will have to be rooted & the only way with which you can revoke the root access is by re applying with stock firmware. Do let us know on what is your current firmware so that it will help us to know on which firmware you wish to downgrade to.

Pre Requisites:

  • Since you are installing the custom ROM firmware, there is a chance that the data in your device may get lost or corrupted, its highly recommended that you back up the data in your Galaxy S2 GT I9100G with the help of below steps only. Don’t use KIES to back up the data.

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

  • Enable the USB Debugging Mode from the path “Settings > Applications > Development > USB debugging”. The minimum battery left should be > 50% so as to ensure that it doesn’t get turned Off in the middle of firmware upgrade process.

Once you are over with all the above mentioned instructions, you now need to proceed to the next page where we have summed up a detailed guide on how to apply this update. Disable or close all the Security suites installed in your computer and in your Galaxy S II as it may hamper the update process.

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