Thursday, December 10, 2015

Install cyanogenmod custom rom on samsung galaxy note 3 SM-N900 Ha3g exynos

Update samsung galaxy note 3 SM-N900 Ha3g that is exynos variant to latest version of android lollipop by flashing cyanogenmod custom rom.Since there are lot of variant of samsung galaxy note 3 what we need here is exynos variant which has model number of SM-N900.It comes with a samsung in house chipset exynos 5 octacore and rest of specs being similar to that of other variants.

Since this ROM is specific to note 3 sm-n900(Ha3g) don't flash this on other variant s as it might brick it for sure as they have different processors.SO check your device model number first before proceeding further.Go to settings and then to about device and you will your device model number confirm it as SM-N900.

Install cyanogenmod Cm 12.1 rom galaxy note 3 SM-N900:

cyanogenmod custom rom on galaxy note 3 SM-N900 Ha3g

Cyanogenmod rom :
Cyanogenmod is one of the best custom roms available in android development ecosystem.They support lot of devices and only which has official kernel sources.This rom is based on android open source project with lot of added features. One which we have here is unofficial cyanogenmod rom for galaxy note 3 SM-N900 or "Ha3g".
Features of cm 12.1:
  • Theme engine: Theme engine is from the cyanogenmod custom 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 tons 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.

  • Performance control:A default cpu manager app to control frequencies and governors.You can adjust cpu frequencies and also set them on boot too.
  • Trebuchet: This is the default launcher that ships with cyanogenmod rom.But if you flash gapps then you might loose this.It doesn't have too many features like nova or other launchers but its simple and fast.
  • Software Updates: Cyanogenmod ROM is usually available in three types one is nightlies which gets updated with new features every night and are quite stable for daily usage.second one is the snapchat which is monthly build version which will be stable version and other one is the release candidate.Some times nightlies are considered must stable than the snapshots. 
  • Status bar Tweaks:Status bar has lot of tweaks which include a brightness slider.Slide in status bar to adjust brightness of the screen.Double tap on status bar to sleep device and also network speed indicator for on going traffic info.
These are some of the features of cm 12.1 for note 3 SM-N900 or Ha3g and you can explore rest of the feature by flashing this rom.
Prerequisites:
  • Charge your note 3 to at least 70% so that you don't run into any problems.
  • Backup all your apps and data on your device to external sdcard or computer as flashing cyanogenmod (cm 12.1 )rom will erase all the app data on your device including contacts.
  • Enable usb debugging on your note 3.Of course you don't need to do this for sure but enable it.Download cyanogenmod rom and gapps if you need them.
  • Backup Efs and modem partitions of your samsung galaxy note 3.
  • You must have a custom recovery like Twrp  installed on your samsung galaxy note 3.
Flash Cm 12.1 rom using Twrp recovery: 
  1. Download cyanogenmod cm12.1  rom for ha3g (Cm 12.1 nighltlies )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.
This is a simple tutorial guiding you to install Cyanogenmod custom rom on samung galaxy note 3 Ha3g SM-N900..As this ROM is meant only for this variant of  don't try to flash it on other variants like on snapdragon or carrier variants as it might cause lot of errors or even brick it.