Galaxy Nexus i9250 was released back in 2011 and has been sticking around since then. It was a good solid smartphone to have back in the day with 5mp camera, 1GB Ram and Dual-core 1.2 GHz Cortex-A9. Now we have a great news for the Galaxy Nexus i9250 users, which you must have read in our title.

The Android 7.1.2 Slim7 Nougat Custom Firmware has been released for Galaxy Nexus i9250 and we have brought you the detailed tutorial about how to update your Nexus device with the latest update. 

You may also read: How to install Lineage OS 14.1 Android 7.1.2 Nougat custom ROM on Samsung Galaxy J5

Android 7.1.2 Slim7 Nougat Custom Firmware comes from an open source and is not an official release. The Firmware will make your Galaxy Nexus device a lot more faster than before with all the latest nougat updates and features. So without further a do, let’s get you straight into the tutorial. 

Before we start the tutorial of how to install the Android 7.1.2 Slim7 Nougat Custom Firmware on your Nexus device, there are few thing you should keep in mind and do before you go ahead with the update. So let’s have a look at them first. 


  • 1- First off all you will have to fully backup you deceive. 
  • 2- Download Samsung Galaxy USB drivers.
  • 3- Enable USB Debugging mode to help connecting your tablet to your computer. 
  • 4- Make sure you battery is charged up to at least 85-90 percent.
  • 5- Your device should have ClockwrokMod recovery installed.

Essential Downloads:

You may also read: How to flash Android 7.1.2 Nougat Resurrection Remix firmware on Samsung Galaxy S4 LTE i9505

How to Update Galaxy Nexus i9250 to Android 7.1.2 Slim7 Nougat Custom Firmware:

Step 1- Download both files mentioned in essential downloads on to your personal computer.

Step 2- Connect your Nexus with your personal computer using a USB cable. 

Step 3- Copy the files you downloaded in step 1 on to your device’s SD card root. Remember not to save it in any folder of your device. It has to be saved in the SD card of your device.

Step 4- Disconnect the USB cable from your personal computer and turn your device off.

Step 5- Turn your Galaxy nexus device on, pressing the power & volume up and down keys altogether. This will enable the device’s Bootloader mode. Click the bootloader option. 

Step 6- Once you in Bootloader mode, look for recovery option and click on it. This click will take you in ClockworkMod recovery. 

Step 7- Tap “wipe data/factory reset” from the options showing on your Galaxy nexus screen by clicking the power button.

Step 8- Next Tap on “wipe cache partition”.

Step 9- You might as well do a dalvik wipe cache by tapping on Advance Menu and then selecting “Wipe Dalvik Cache” to save yourself from tiny errors or bootloops.

Step 10- Head back into recovery mode and select option  “install zip from SD card” by tapping on it, use your volume keys to navigate the file to the downloaded zip file of Android 7.1.2 ROM zip file you copied on your device’s SD card and start the installation process by selecting it. 

Step 11- Repeat the same step to install the GAPPS. 

Step 12- Head back to “+++++Go Back+++++” option, tap on it and then select “reboot system now” option by tapping on it to reboot your Sony Z device. 

It may take few minutes to reboot and when your phone turns back on your will have the Android 7.1.2  Slim7 7.1.2 Nougat custom ROM updated on your Galaxy Nexus i9250.

You may also read: How to download and install third-party keyboard app on your Android device


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