Asus Zenfone 4 Pro ZS551KL

Asus Zenfone 4 Pro ZS551KL

How to reset or restore an Asus Zenfone 4 Pro ZS551KL

If your Asus Zenfone 4 Pro ZS551KL smartphone is running very slowly, hanging, you want to bypass the screen lock, or you have a full memory and want to erase everything, or you want to sell or give it away and want to ensure that nobody can access your files and passwords, you can do a factory reset to restore it to its original state like the first day.

In the following steps we explain how to format the Asus Zenfone 4 Pro ZS551KL to erase all your information and make it totally clean as it came out of the store.

Before doing a factory reset, we recommend deleting all the accounts on the device, specifically it is useful to unlink the Google account if you are going to sell, donate, or give away your Zenfone 4 Pro ZS551KL. This will avoid problems for the new user, as some newer devices include a functionality called FRP (Factory Reset Protection) that requires the same Google account or PIN code with which the Asus Zenfone 4 Pro ZS551KL was initially configured when factory resetting a device.

Keep in mind that a reset or return to the factory state on a mobile/cell phone deletes all its content, so make a backup of your data before doing it if you don't want to lose everything.

In case you do not want to erase the data from the device, you can try to restart the Asus Zenfone 4 Pro ZS551KL..

There are two ways to do a reset on an Asus Zenfone 4 Pro ZS551KL one through the mobile options and another more complete from the recovery mode.

Table of Contents:

Restore from the options of Asus Zenfone 4 Pro ZS551KL

If you want to make a reset using the device options to return to the factory state an Asus Zenfone 4 Pro ZS551KL you have to follow these simple steps:

Estimated time: 5 minutes.

1- First step:

To access the settings menu on your Asus Zenfone 4 Pro ZS551KL, look for the icon that resembles a cogwheel. Click or tap on it to open the settings menu.

Settings icon Android

2- Second step:

Scroll down the Asus Zenfone 4 Pro ZS551KL settings to the bottom where you will see the section called “System”, click or tap to continue.

System icon Android

3- Third step:

If you see a section called “Advanced” click to display the advanced options of the Asus Zenfone 4 Pro ZS551KL.

System menu Android

4- Fourth step:

Click on “Reset options” from this section it will allow us to restore network options, applications or reset the Asus Zenfone 4 Pro ZS551KL completely.

Advanced options Android

5- Fifth step:

Click on the last option called “Erase all data (factory reset)” or simply “Factory data reset”.

Reset options Android

6- Sixth step:

A first confirmation message will appear reminding you that all your data will be deleted from this device, the data you have uploaded to Google, Facebook, Twitter, Instagram or backup copies that you have in the cloud, such as Google Drive, Dropbox or One Drive, will not be deleted. Press “Reset phone”.

Reset phone confirmation

7- Seventh step:

A second confirmation message will appear indicating that all information stored on the Asus Zenfone 4 Pro ZS551KL and all downloaded applications will be erased and reminding that this action cannot be undone. If you agree, click on “Erase Everything”.

Erase Everything confirmation

8- Eighth step:

If necessary, draw the screen unlock pattern or enter the screen unlock password or PIN to continue.

Confirm your pattern Android

9- Ninth step:

Your device Zenfone 4 Pro ZS551KL from Asus it will restart and take several minutes to start while restoring the device to its factory state and optimizing the applications pre-installed in the operative system Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo).

Android is starting

Video instructions

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About the device:

Asus Zenfone 4 Pro ZS551KL is a mobile/cell phone with dimensions of 156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in), a weight of 175 grams, , a screen resolution of 1080 x 1920 pixels, 16:9 ratio (~401 ppi density).

It has a processor Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo), a graphics card Adreno 540, a RAM memory 6 GB and an internal memory of 64/128 GB, 6 GB RAM.

The Asus Zenfone 4 Pro ZS551KL comes from the factory with the Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo) operating system.

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