Install Android 6.0.1 Marshmallow ROM on Galaxy Core 2 G355H. In June 2014, Samsung released Galaxy Core 2 G355H as a second version of the well known Galaxy Core smartphone. It was a mid range smartphone with some decent specs and features. Powered by 1.2 GHz quad core processor it had built in Android 4.4.2 KitKat operating system. Due to the hardware incompatibility of this device, Samsung never released any further official update after Android KitKat which disappointed many of the Galaxy Core 2 G355H users.
But all thanks goes to the third party developers who always come up with an unofficial custom ROM for phones which has least expectations to get the latest official update. Due to these Custom ROMs it has become so easy to enjoy and experience those newly launched features on any mid range smartphones. Recently one of the senior member from the xda community has released an unofficial custom ROM based on the Android 6.0.1 Marshmallow operating system especially for Samsung Galaxy Core 2 SM-G355H smartphone.
With this Android 6.0.1 Marshmallow ROM, you can experience some amazing features like customized user interface, refurnished Google home with new launcher, security improvements, low memory management support, revamped settings user interface, new phone dialer app, battery saving tweaks, seamless change in resolution during media playback, screen recording, more efficient apps, NFC emulation, new Google wallet, new gallery, trimmed system processes, full screen immersive mode, , redesigned quick office and much more on your Galaxy Core 2 G355H. Note that this is an unofficial third party custom ROM, so there are chances that you might experience few bugs or issues. But don’t worry with a new updated version all those bugs and issue will be definitely cleared. So don’t waste your time and proceed to our actual guide on how to install Android 6.0.1 Marshmallow on Samsung Galaxy Core 2 SM-G355H mentioned below. 👍
Flashing this Android 6.0.1 Marshmallow custom ROM is quite risky. So it is highly recommended to implement each and every step correctly without any mistake. Neither we at droidthunder.com nor the developers of this ROM hold any responsibility in case if you brick your phone by performing the steps mentioned below.
This Android 6.0.1 Marshmallow custom ROM is only compatible with Samsung Galaxy Core 2 with the model number SM-G355H. Do not try to install this custom ROM on any other device or variant as it may result into unwanted outcome. Its better to confirm your device’s model number from Menu->Settings–>About Phone before moving ahead.
- Ensure that your Galaxy Core 2 G355H is charged at least up to 60%. This is essential as lack of battery power may increase the risk of interruption during the flashing process.
- It is highly recommended to take backup of all your phones data and settings before proceeding further. This is must as every single data gets wiped out in the last step of this flashing procedure. So take a complete backup of your contacts, messages, call logs, notes etc.
- You need to backup EFS folder present in your phones system directory. This folder contains all your phones specific information such as the IMEI, wireless devices MAC addresses, product code, and much more. So a backup of this folder is essential. There is always a risk that this EFS folder might get corrupted. If so happened, your device will be completely useless & will no longer be recognized by your carrier. Refer our article to backup and restore EFS/IMEI data:
- Ensure that you have installed mobile specific drivers on your computer. This is essential so as to recognize your Galaxy Core 2 G355H when connected via micro USB cable. You can install them by installing Samsung Kies or manually install them from the link given below:
- Make sure your Galaxy Core 2 is Rooted.
- Also a custom recovery like Clockworkmod (CWM) must be installed before going ahead. Refer our step by step guide on how to root and install CWM recovery on Galaxy Core 2 G355H:
After rooting and flashing custom recovery, let’s proceed to our actual tutorial on how to install Android 6.0.1 Marshmallow ROM on Galaxy Core 2 smartphone.
Procedure to install Android 6.0.1 Marshmallow ROM on Galaxy Core 2 G355H:
Step 1: Download all the package files (.zip) in a specific folder on your computer. Remember not to extract these zip files.
Step 2: Now using micro USB cable connect Galaxy Core 2 to your computer. Copy all the three zip files on your phones internal memory. Then safely disconnect your phone from computer.
Note: If your computer doesn’t recognize your Galaxy Core 2, make sure that mobile specific drivers are properly installed on it. If it still does not recognize then try changing micro USB cable or even the USB port.
Step 3: Now power off your Galaxy Core 2 completely until it vibrates. You need to boot your device into custom recovery mode now. For doing so, press & hold Volume up + Home button (middle button) + Power button simultaneously till your phone enter custom recovery mode.
Note: Touch won’t work in CWM recovery mode. So use Volume keys for navigating up and down and use Home button for selection.
As you enter the clockworkmod recovery, it is highly recommended to firstly take a complete backup of your current ROM that you are using. This backup is called as Nandroid backup and is the backup of your phones entire operating system & is always helpful during the failure while flashing process or during any problem with the ROM. This way you can easily restore your previously saved ROM.
Refer our detailed article for taking Nandroid backup:
Step 4: For taking a complete nandroid backup, use Volume keys and navigate to the ‘backup & restore’ option on the recovery mode itself and on the next screen select ‘backup’ option using Home button. This will make a complete nandroid backup. Refer screenshots.
Step 5: Now you need to wipe the data and cache partitions from your phones internal memory. For doing the same, navigate to the ‘wipe data/factory reset’ option using volume keys. Select it using Home button. On the next screen press Yes option to start the wiping process. Similarly navigate to the ‘wipe cache partition’ option and clear the caches present.
Note: This step will clear entire data from your phones internal memory so a complete backup of everything must be done before implementing this step.
Step 6: Return to the main menu and select the Advanced option. On the next screen select Reboot Recovery option.
Wait until your phone boot again into CWM recovery.
Step 7: Using Volume keys navigate to the ‘install zip from SD card’ option. Select it using Home button. Then on the next screen select ‘choose zip from SD card’ option. This will show you all the files present on your phone. So just navigate to the Deodex_G355HXXU0AOB1 zip file which you’ve copied earlier and select it using Home button. On the next screen select ‘Yes’ option to initiate the process.
Step 8: After the installation completes successfully, return to the main menu and install Marshmallow ROM .zip file in the same way as you installed the Deodex .zip file. Lastly install the Fix.zip file on your Galaxy Core 2.
Step 9: Now again wipe data and cache partitions as you did in Step 5.
Note: This step helps in resolving the boot loop issues.
Step 10: Everything completes here. Just reboot your Galaxy Core 2 G355H by selecting ‘reboot system now’ option from the recovery mode. Note that the first boot will take more time to start than usual. But don’t worry after a couple of boots it’ll be normal.
If you are not satisfied with this ROM and want to install official Samsung firmware then refer our guide:
Refer our guide to install Android 5.0.2 Lollipop on Galaxy Core 2 SM-G355H:
Refer our guide to install Android 7.0 Nougat on Galaxy Core 2 SM-G355H:
Awesome! You’ve successfully installed the latest Android 6.0.1 Marshmallow based custom ROM on your Samsung Galaxy Core 2 SM-G355H smartphone. Go to Menu->Settings->About Phone and confirm the same. Enjoy all the latest Android 6.0.1 Marshmallow features with this ROM. Also do share your views and experience after using it. Lastly if you have any issues while going through the this flashing process then feel free to contact me using the comments section given below. I’ll be glad to help you guys. Till then enjoy and peace out!✌