Upgrade Firmware

You can try latest version of android lollipop based resurrection remix custom Rom on your samsung galaxy s2 I9100g.Though samsung stopped providing updates for samsung galaxy s2 you can have latest version of android lollipop with the help of custom Roms on this device.

About galaxy s2 I9100G: Samsung launched this galaxy s2 with two different processors one comes with exynos chip set while the other comes with a texas instrument's omap 4430.Except for the chipset that powers it rest of the smart phone specifications are similar to that of international variant.

since this post is specific to samsung galaxy s2 with model number I9100g it is better to check your device model number.Go to settings and then to about device.You will find you device number right there confirm it as SM-I9100G.

Why to go for a custom rom on galaxy s2 I9100g:

• Better performance: Though performance can be increased by controlling cpu and Gpu  with root apps you might not achieve what you want.There is better scope for performance on custom roms as developers implements different mods to make it perfect.
• Battery life: Battery life is always opposite to performance.Greater the performance least the battery life  you get.In order to get a balance one between them you have to go for custom roms. 
• Better customisation: Most of the apps with root access will work better on custom roms than on stock roms.For instance take xposed installer.It offers lot of modules for customisation but will work perfectly on custom roms than on stock one.

Install resurrection remix custom rom on samsung galaxy s2 I9100g:

This Resurrection remix  which your are about to flash on samsung galaxy s2 I9100G is based on android 5.1.1 lollipop and is based on cyanogenmod,slim,omni and original remix roms.So you can all the best features of other roms are included in this along with performance and a decent battery life.THis is port and not an official release from remix developers and is still in alpha stage so you might experience lot of bugs and force closes.

Features:

• Navigation bar tweaks: You can enable disable or navigation bar and also you can adjust the size of navigation bar.Navigation ring included toggles to in case of quick access just swipe from bottom of screen and you can access apps which you have set.
• Status bar tweaks: Status bar has lot of tweaks which include a brightness slider.Slide in status bar to adjust brightness of the screen.Various tweaks are available to carrier label too like color and switch.Quick and smart pull down are also present.Battery icon too has tweaks.
• Gesture anywhere: This basically lets to open any app at any time(while using other apps) with just a gesture.You have to set the gestures and use them.


• Recent panel mods: Stock recent panel do not have an option to clear all the apps at once.In this rom you a button to clear apps and can even set the position of the button.
• App circle Bar:Swiping from the left or right edges of the screen an app bar pops up and you can choose what app you want to launch.This is great way of multitasking.
• Lock screen mods: This includes placing of 5 shortcuts on lock screen and also set targets for the slider.
• Theme enigne: Theme engine is from the cyanogenmod rom which basically changes the look user interface from lock screen  to ring tones all the way up to boot animations.The speciality of the theme engine is the ability to choose individual elements of every theme you have installed.So you like the ring tones and wallpapers of one theme and icons of other theme then you can have them at a time.Just open the theme chooser and you will understand how to do it.

These are some of the features of the resurrection remix rom and you can explore more features by flashing this custom on  samsung galaxy s2 I9100G.

1. Download resurrection remix for I9100G (Resurrection_Remix_LP_v5.4.6-20150607-alpha3-i9100g.zip) and Gapps transfer it to sdcard or internal storage of device.
2. Power of the device completely.
3. Press volume up,power button and home key simultaneously and once you see boot loader screen release buttons.
4. Using volume down as a navigation button move to recovery and click on power button to confirm action.
5. Once you are in twrp backup existing rom first.It might about 5 minutes for backup to complete.
6. Wipe data,cache and dalvik cache.You may not need to wipe system.
7. Flash ROM and then gapps.
8. Reboot to system.Wait at least 15 minutes for initial boot to complete and once done you can explore ROM features.
9. If rom fails to boot Remove battery and put it back.Reboot it to recovery and this wipe system too and flash rom again.