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Tutorial to update HTC One M9 to Android Nougat via SLIM7 custom ROM

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We have already brought tutorial to upgrade HTC One M9 to Android M using CM13 custom ROM. Here is the turn of HTC One M9 variant. It has also got with 5.0-inch 1080p display released in March 2015. It comes with octa-core Snapdragon 810 processor and 3 GB RAM. It has got 20 MP main camera and 4 MP front camera. Its internal storage is 32 GB that is expandable via external SD card up to 2 TB. HTC One M9 sports large 2840 mAh Li-Ion battery. It runs on Android 5.0 Lollipop by default. However with Slim7 custom ROM, you can upgrade it to Android Nougat right now.

In this tutorial, we have put together all the necessary steps and materials required to update HTC One M9 to Android Nougat via SLIM7 custom ROM. Don’t miss out on any step as each and every instruction is important to successful installation of Android Nougat custom ROM in HTC One M9. We always recommend our readers to backup the content before continuing with the tutorial. If anything goes wrong, the option of reverting back to previous state is always available.

HTC One M9

Create Backup:

In this section you will learn to create backup of all contents of your Android Device including the applications. Anything can go wrong at anytime therefore, follow the below tutorials to create the backup of data:

If you have ClockworkMod CWM recovery tool installed in your device then we recommend you to go in recovery mode and create NANdroid backup of existing ROM. The restoration of NanDroid backup will automatically bring back all the applications, files, contacts, messages and settings.

HTC One M9 USB drivers:

USB drivers are needed to create connection between computer and the Android device. Make sure to install HTC One M9 USB drivers in your personal computer. While updating device, you may need to connect Android device with computer therefore, USB drivers are must needed thing. Here is the link to download USB drivers:

  • Download HTC One M9 drivers fromHERE

Disclaimer:

  • We recommend you to charge your device to at least 80% before going with the update. Updating a device takes time and we don’t want you to brick your device just because of low battery.
  • The tutorial is specifically for the variant mentioned in the Topic. This tutorial is only forHTC One M9 An attempt to apply this update on any other device may lead to permanent damage to your device. Therefore, make sure the correct model number and make of your device before continuing with the tutorial.
  • All downloaded software and ROMs belong to the developer. We do not endorse the functions performed by the software.

ClockWorkMod Recovery Tool:

Make sure that you have replaced the official Android recovery tool with the ClockWorkMod recovery tool. CWM supports additional features and lets you install third party Apps and ROMs. Therefore, for the Update to be applied to the device you need to have CWM recovery tool installed in your Android Phone. Follow the below link to install ClockWorkMod recovery tool in HTC One M9.

All set! Now let’s move to the step by step guide to update the device to Android Nougat.

Files Required:

Download the below given files and save them on your desktop. Connect HTC One M9 with computer and move the downloaded files to root directory of SDcard of your device. We will be using them during the step by step guide.

Follow the below instructions:

  1. Disconnect the USB cable and turn off your HTC One M9.
  2. Switch off your phone and restart your device in Recovery mode. To do so, power down your device, now press and hold Power + Volume Down key and choose RECOVERY.
    HTC One M9
  3. Once the device is in CWM recovery tool, go to Backup and restore option and create Nandroid Backup. After creating backup, go back to main recovery menu.
    HTC One M9
  4. Now move to wipe data/factory reset option and confirm the action. This will restore the device to factory defaults and lessen the chances of clash between old and new ROM.
    HTC One M9
  5. Now move to advanced option from main recovery menu and perform the “Wipe dalvik cache” action. Once done. Go back to main menu.
  6. Now we are all set to update HTC One M9 to Android Nougat custom ROM. Select “install zip from sdcard” followed by” chose zip from sdcard”. Navigate to where you copied the Android Nougat ROM, select it and confirm the installation by pressing power button. The ROM installation process will begin.
    Galaxy S7 Edge
  7. After ROM is installed, it is time to install the Google Applications. Repeat the above step again and this time select GApps package and install them.
  8. Once you are done installing everything that was needed, go back to main recovery menu and restart the device in normal mode by selecting “reboot System now”.

Your device will now reboot and newly installed ROM will be loaded. You now have Android Nougat custom ROM installed in your HTC One M9. Enjoy the latest features of Android Nougat on your device.

Troubleshoot:

Most of the time after the custom ROM update, device doesn’t reboot and goes to boot loop. If you ever face such situation, enter in CWM recovery mode and go to Wipe data/factory reset option and wipe all data. The device will now boot into new custom ROM successfully.

Restoration of Previous ROM:

If anytime you want to get back to previous ROM, from CWM recovery tool select backup and restore option, then select restore and chose the NANdroid backup already created and stored in Phone’s memory. Previous ROM will get restored.

For any queries, you can write to us in comments section below!

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