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How to Enter Fastboot Mode on the Asus Zenfone AR

Smartly using your new Asus Zenfone AR is possible onlyif you know how to perform the basic Android operations. In that matter you should be familiar with the recovery mode and with the fastboot environments, which are two mods that can offere access towards the Android core center that powers your device. So, as you can already tell, today we will detail the fastboot mode and the operation that can take your Asus Zenfone AR to this dedicated environment.

The fastboot mode contains important info about your phone and about the Android status. For example, by accessing the fastboot mode you can find out hardware details and build / serial numbers for certain components and you can also obtain info about the Android firmware, kernel and about other pre-loaded features and processes.

Aditionally, the fastboot mode will put your Asus Zenfone AR into a flashing state meaning that certain programs and apps (running on your computer while you try to perform different tweaking operations) can recognize your handset only as long as it is booted into fastboot mode.

Therefore, you must learn how to enter the fastboot mode if you want to obtain further info about your smartphone and if you want to customize, optimize or personalize its Android system – the most common operation that will require this environment is the update one (the fastboot mode is a must if you have to manually update or downgrade your smartphone with the stock / official Android OS).

Thus, this guide can help you troubleshoot different software related problems (you can address the most common issues by reinstalling the Android OS) and can assist you through various tweaking methods such as flashing SuperSU or other root exploits, installing a custom recovery image like CWM or TWRP recovery, unlocking the bootloader, flashing custom ROMs, MODs and kernels and so on.

The fastboot mode is a dedicated environment that runs idependently from the Android mode. So, it cannot be entered by using built-in settings but by following a dedicated reboot sequence – below, you can find three different ways in which fastboot mode can be reached without problems on the Asus Zenfone AR.

This environment is pre-loaded on your device, so it is there from day one. That’s why you can access it without using third party apps or without having to manage risky or complex tools. Moreover, due to same reasons, this is going to be an official process which will keep your phone in safe hands all the time – no, the warranty of your device won’t get void while you try to access the fastboot mode, though the warranty might get lost if you choose to tweak your Asus Zenfone AR.

Depending on the operation you will choose to perform from fastboot mode your data might get corrupted or even wiped out, or not. So, overall, a good idea is to be precautious. That’s why I am now recommending you a backup operation. Just save everything that might be still required afterwards in order to avoid any possible problems. The backup can be easily applied by using backup and restore apps from Google Play, by syncing your files with your Google Account or by using already built-in cloud storage platforms. And of course, you can save the Android system by making a Nandroid backup – note that this particular backup process can be applied by using a custom recovery image.

Of course, entering fastboot mode is possible, by using the same steps from below, even if you already tweaked your Zenfone AR. So, this tutorial can be succesfully applied regardless of the state in which your smartphone is found in a certain moment.

Charging your handset before starting the steps from below is recommended if the power left is currently lower than 50%. You see, if the power is too low the Android system will get turned off right while you try to resume the steps from this tutorial. If that occurs, you might end up in experiencing software related problems on your device. So, try to avoid such unpleasant situations by plugging in the charger before doing anything else.

How to Enter Fastboot Mode on the Asus Zenfone AR

Method 1

  1. Switch off your phone if it’s still running – press and hold the Power button for a few seconds or press the Power button once and then select “power off”.
  2. Also, wait until the shut down process is being succesfully completed.
  3. Next, press and also hold (at the same time) the Volume Up and Power buttons.
  4. When the Asus Logo is displayed on your phone release the keys.
  5. That’s it. The fastboot mode should be now displayed on your Asus Zenfone AR.
  6. From there you can use the Volume Down button to scroll up / down and the Power key to select.
  7. For going back to Android mode just reboot your device and enjoy.

Method 2

This method might seem a little bit more complicated but it’s extremely useful especially if you want to use the fastboot mode for completing a tweaking process. So, first of all, make sure that a computer can be used. On this computer install the Zenfone AR drivers first and then flash Android SDK: learn how to install Android SDK on Windows or how to set up ADB on MAC OS X / Linux. Afterwards, take your phone, access About Phone under Settings and tap repeatedly on Built Number for 7 or 10 times until you receive the ‘you are a developer message’. Finally, check the USB Debugging field which can be accessed from “menu – > settings – > developer options”. Then, resume:

  1. Power on your computer and switch on your phone.
  2. On your PC go and access the Android SDK folder.
  3. Connect your smartphone with your computer – use your phone’s USB cable in that respect.
  4. Next, from the Android SDK folder open a cmd window.
  5. For launching cmd: press and hold the Shift keyboard key while right clicking on any blank space and then choose “open command prompt window here”.
  6. Good; now in the cmd window type: adb reboot bootloader.
  7. Press enter and wait while the reboot sequence is being automatically completed.
  8. That’s all.

Method 3

A third party app can also help you reboot the Asus Zenfone AR into fastboot mode. However, in this particular situation root access is required on your phone. Thus, if you are using a rooted device, you can access the Google Play store for downloading the Quick Boot app. Install and run this app on your phone and just follow on-screen prompts in order to automatically reboot your device into the desired mode.

Conclusions

There you have it. Those are the easiest and safest ways in which fastboot mode can be rebooted on the Asus Zenfone AR. You can test all the steps from above in order to get more familiar with this process and with similar operations such as rebooting into recovery mode, making a hard reset, clearing app data cache or manually installing the stock Android OS. If you have questions and if you want to share your experience with us don’t hesitate and use the comments field from below – if our help is required we will try to assist you as soon as possible.