Install/ Update Gretel GT6000 to Android 7.0 Nougat Stock ROM Firmware

We have already wrote the tutorial to root and install TWRP recovery on Gretel GT6000 smartphone. But, if you were waiting for the arrival of latest build of Android 7.0 Nougat on your Gretel GT6000, then here is a good news. Those who were wondering to install the latest Stock ROM Firmware on your device, can now rejoice as they can flash the latest software on their device.

Gretel has officially released the Stock Android 7.0 Nougat for the Gretel GT6000. The Android 7.0 Nougat is latest, and predecessor to the about to be released, Android 8.0 O software. The Official Nougat Firmware comes with the various Bug fixes, Security patches, and improve overall stability of the device.

So, if you own a Gretel GT6000, you can install the latest update for your device, which comes with T973J_V12_20170515, and is based on Android 7.0 Nougat. The update often aims to increase system stability and increase the performance of the device, as well as adding new features.

All Gretel GT6000 owners may already received the OTA Update notification on their device. You might be already aware of the fact that Android Team fixes the vulnerabilities found in the operating system time to time, and releases the updates on timely manner. The OEMs, then push the Security Updates with patched/ fixed Android vulnerabilities in the form of OTA and Stock ROM updates. Updating your smartphone through OTA Firmware update do not delete the data.

Gretel GT6000 is equipped with a 6000mAh battery, and features dual-rear cameras of 13MP and 1.3MP.  THe phone is powered by a MTK6737 1.3GHz  Quad Core processor, along with a 2GB RAM and 16 GB of ROM. The phone runs on Android 7.0 Nougat and supports 4GLTE. It supports fast charging of 9V/2A, which is rated to run for few hours in merely a 5-minutes of charging. The Panasonic 13.0MP MN34172 Sensor is used for cameras, which offers 4X Zoom, F2.2 aperture. The phone is packed in metal body and supports 2 nano sim-Card with dual-standby feature. In the due course of the article, we will guiding you through the process to root and install TWRP recovery on Gretel GT6000.

In the below guide, we will be guiding you step by step process to flash/ install latest T973J_V12_20170515 Android 7.0 Nougat on Gretel GT6000. The download link for this Stock ROM has been added to the pre-requisite section. You can simply flash the Stock Firmware .zip or .img file manually through SP Flash Tools, if you have not received it through the OTA update.

Firmware Details:

Android Version: Android 7.0 Nougat

UI Version: NA

Firmware Versions: Gretel_GT6000_T973J_V12_20170515 – full_hct6737m_65_n-user 7.0 NRD90M

Model: Gretel GT6000

Release Date: June

Android security patch level: <patchuptodate>

Country: NA

Status: – Official

Disclaimer: AndroidWeblog.com covers although everything in a very neat and a processed manner so that our readers get exactly what they want, still there are meager chances of basic issues that may arise out of the listed steps here. Hence it is in sole interest of the user to follow the steps very cautiously so as to stay away from any mishappenings with your device.

Updating or flashing the Stock ROM firmware or Custom ROM firmware updates certainly without any doubt comes with risk to brick device. If you brick the device, while upgrading the firmware of your smartphone, then kindly be in touch with the Official Service center of Gretel near your location. AndroidWeblog.com in no way will be held responsible for warranty void or your bricked device.

Prerequiste

Ensure to check your model number, which must be:

• Gretel GT6000

You must have to ensure that prior to rooting your phone , you have read thoroughly the disclaimer and you agree to proceed further on your risk.

• Phone Should be Charged

Your phone must be 70% charged atleast else, it may lead to complications sometimes while experimenting. Why to take risk, try to charge it fully.

• Back Up

If you are either going to root your phone or install a Custom ROM, it is a good habit to make a back up of your phone. Make a back up of all your media like images, videos and all on your PC and your contacts on Cloud.

• Enable USB Debugging

You must enable USB debugging option by going in to Settings, Applications and Developer options.

Downloads For Updating Gretel GT6000

Download MediaTek USB VCOM Drivers here (MT6xxx_USB_VCOM_drivers. zip)

Download Latest Android 7.0 Nougat Stock ROM for Gretel GT6000 from here (Login required)

Download Latest version of SPFlash Tool for Windows here.

How to update Gretel GT6000 to Android 7.0 Nougat via OTA (Over the air)

Note: For this method, you won’t need to download any file mentioned in pre-requisite section of this article. You can directly follow the below steps, if you prefer the OTA method.

You can directly check the latest version of firmware/ software available for your device, Gretel GT6000 by navigating to:

Settings > About Device > Software Updates

When a new software update is available for your device, the notifications panel will display the software update message. Just you need to pull down the notification bar, and then press ‘Software Update’, and this will begin the upgrade process of device T973J_V12_20170515, based on Android 7.0 Nougat.

If in-case you have not received the software update, then just follow the below guides, to flash firmware manually through either below guide. No matter which method you prefer, however, OTA is safer method to upgrade your device. But in case you prefer upgrading your device manually, then just carefully follow our below guide step by step.

How to Manually update Gretel GT6000 to Android 7.0 Nougat Firmware

Step 1: Begin with downloading all the files mentioned above in the prerequisite section.

Step 2: Browse through the files downloaded, and then Right click on the zipped file MT6xxx_USB_VCOM_drivers. zip and extract the same. Then navigate to the extracted folder and then click on the file InstallDriver. exe. This will install the Preloader VCOM in your system.

Step 3: Assuming that you have downloaded SP FlashTool (Win) from the provided link above, Then simply click and extract the archive. Then, browse and run the file flash_tool. exe

Step 4: Once the SP Flash Tools opens up, you will see the tabs like ‘Welcome’, ‘Format’, ‘Download’, ‘Readback’ and ‘Memory Test’. Just click on ‘Download Tab’ to select the same.

Step 5: Now, at this stage, on the Download Tab, you will notice the options ‘Download Agent’ with folder icon right next to the file path, as well as ‘Scatter-loading’ underneath. Just click on the folder ‘Download Agent’ and navigate to the folder of Flash Tool and then open the folder SP_MDT, and click on MTK_AllInOneDA.bin file.

Step 6: Now, click on the Scatter-loading button, and find the Scatter File from the downloaded Stock Firmware zip file, which you have downloaded. The name of the file should look like MTxxxx_Android_scatter.txt [XXXX Stands for Chipset/ processor number of MediaTek i.e. 6753 etc.].

Step 7: After selecting and loading the MTxxxx_Android_scatter.txt file under ‘Scatter-loading file’, simply click the ‘Download’ button.

Step 8: Now, remove the battery of your device, if it is removable, and re-insert again. You should connect the phone to computer in Download Mode only. To do the same, just hold down the Volume Down+Volume Up buttons simultaneously, and then connect the device to computer via USB Cable. Make sure that Volume Down+Volume Up buttons are pressed until the device is detected by PC.

Step 10: Now, hook up/ connect your Gretel GT6000 to the computer via USB slot. Connecting your smartphone will begin the flashing process automatically, and it requires simply a few seconds to complete.

Step 7: At this point of the latest Stock Firmware on your Android 7.0 Nougat device has been flashed. Now, you may disconnect the device from computer. You will see the message with ‘Green Check mark’ with ‘Download OK’ message.

Step 8: Now, you may disconnect phone from computer, and also close the ‘SP Flash Tool’, and turn on the phone, and enjoy the latest firmware.

Congratulations, you have successfully flashed T973J_V12_20170515 Android 7.0 Nougat on your Gretel GT6000 device. If you faced any issue while flashing, then do not hesitate to let’s know in the comments section below.