How to upgrade gionee marathon m5 to 6.0 marshmallow

It has been a while since the  update for gionee marathon m5 OS was available, but unfortunately not everyone is aware or have the  knowledge on how to go about updating the system to 6.0 marshmallow, therefore this simple tutorial will teach us how you can easily upgrade your gionee marathon m5 smartphone from Android lollipop to marshmallow,  please be informed that wisdomx13 is not responsible for any damage caused by attempting to upgrade your OS, if in case you have your  device bricked.  And  also make sure you have performed a backup of your personal data before installing the 6.0 marshmallow.

 Features of the marshmallow :

• Mobile payments (Android Pay) feature.
• Better RAM Management.

• Fingerprint support.

• A battery saver feature which extends device use by up to 90 mins.

• It has a faster, smoother and more powerful computing experience.

• Support for 64-bit SoCs using ARM, x86, and MIPS-based cores.

• OpenGL ES 3.1 and Android extension pack brings Android to the forefront of mobile graphics putting it on par with desktop and console class performance.

• Responsive, natural motion, realistic lighting and shadows, and familiar visual elements make it easier to navigate your device.

• New devices come with encryption automatically turned on to help protect data on lost or stolen devices.

• SELinux enforcing for all applications means even better protection against vulnerabilities and malware.

• State of the art video technology with support for HEVC main profile to allow for UHD 4K 10-bit video playback, tunneled hardware video decoding to save power and improved HLS support for streaming.

• and other cool features.

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How to install marshmallow on M5

. Download the ROM from the source below. Note that there are three parts of it. Please download all of them. After you download all of the files, put them all under the same folder. Then all you have to do is to double click the first part and the rest will combine automatically (you have to have WinRar program in order to do so) 
The ROM File size is big, so I split the file into 3 parts :

• Download ROM Part 1 : ROM Part 1 or via Click here
• Download ROM Part 2 : ROM Part 2 or via Click here
• Download ROM Part 3 : ROM Part 3 or via Click here

2. Visit Google Play Store and then download and install the ROM Manager on your Gionee Marathon M5. Alternatively, you can try using alternative application such as Jrummy Apps Inc.(Get it from Google Play Store). 

3. Next, from the rom manager download and install the Clockwork Mod Recovery on your Gionee Marathon M5. 

4. Connect the phone to your PC via USB cable. Copy the Rom.zip file you downloaded to you system to your phone’s root memory card. 

5. Restart the phone in Recovery Mode using the ROM Manager. After the restart is completed, open the ROM Manager again and backup your personal information. 

6. Go to Recovery Menu and perform the total data erase. After that, go back to Recovery Main Menu and choose the Flash ROM from SD Card. Navigate to the folder in which your Rom.zip is located, and follow the directions for installing Android 6.0 Marshmallow on your Gionee Marathon M5. As soon as the installation is over, just reboot your Gionee Marathon M5 device, and here you go, you’ve just upgraded it to the new Android 6.0 Marshmallow. 

7. Done 
do you have a question...?  please specify by through the comments