Our article will show where to find the phone book files, how to get root on Qumo Quest 404, how to correct errors on Android and more. At the end of the article you can leave a review about the mobile device.

Root access on Android

What is the root

Superuser, giving full privileges in the operating system, full access to the system directory, modify system files, deleting any applications, porting applications to the memory card, Overclocking CPU and more.

Before starting work:

• Prepare MicroUSB cable (preferably the original);
• Turn on USB Debugging

How to enable USB debugging on Qumo Quest 404

USB debugging is used for all sorts of technical work, to control the phone via ADB tool to get root access and much more.

To enable USB debugging make the following steps:

You 100% will approach one of these options. It all depends on your version of Android operating system.

1. menu -> settings; Development -> Debugging by USB;
2. menu -> settings; For developers -> Debugging by USB;
3. menu -> settings;apps -> design -> Debugging USB (Android 2.2 — 3.0);
4. menu -> settings; Yet —gt; Developer Settings -> Debugging by USB;
5. menu -> settings; System -> About Smartphone / About tablet -> build number and click on the menu item 7 — 10 times, then go to -gt settings; For developers -> Debugging USB (option for the latest versions of Android);

If you have shell MIUI:

1. menu -> settings; About phone-> MIUI version and press 7 — 10 times, then return to the menu -gt settings; Additionally -> For developers -> Debugging via USB.

Instructions how to root Qumo Quest 404

 

With Rootkhp Pro 1.8 – 1.9

• Download the program for Root rights RootKHP Pro 1.9 or later from the official site rootkhp.pro
  If you have the program check for updates by pressing "Update program" and download the latest version.
• Connect the smartphone to the PC via cable
• Run Rootkhp Pro program
• Push button Root
• After 10 minutes, a message that is received Root
  

Video on how to use Rookthp Pro

Through Kingo Root

• Download Kingo Root program to your computer from the site kingoapp.com
• Install and run the program
• Connect the device to your computer via the microUSB cable
• Wait until Kingo device sees

• Click Root button (at the bottom in the middle)
• Wait for the closure process, and the device is rebooted

Video how to work with the program Kingo

Through root Genius

• Download the Root Genius program sjroot.com
• Wait for your device definition program
• press "root it" and start the process

Video by checking for root access

During our experiment failed to root through the program:

• Framaroot
• Vroot
• Towelroot
• DingDong Root
• baidu Root
• iRoot
• unlock Root
• Romaster Su

Because of what Qumo Quest 404 is not turned on, turned off, or hangs?

The mass of options, below you will see the problems and solutions to them:

1. The battery is discharged to 0%, the phone rarely use and remove the battery:
   Remove the battery if you do not use the phone for weeks. regularly discharge the battery to near 0, and fully charged, do not use the device at temperatures below -10 and above 50 degrees, so it will last longer than you;
2. If the charger connector of your device is damaged:
   Try to charge the battery of another charger if the charging is successful, it means that the first charger connector is damaged;
3. Failure in the software:
   Do a hard reset Hard Reset / Wipe Data. See the article table of contents;
4. Spills on the device chips:
   If your phone was floating in the water, place it for a moment in 100% alcohol, then remove and allow to dry;
5. Ill-treatment of telephone, descend the stairs, throwing out of the window, check the strength of a hammer and a drill:
   Buy a new phone or try to carry the service center.

From what can not be switched on and hang your phone. Video.

How to Make a Hard Reset and reset to factory settings

What Hard Reset / Wipe data – This full reset all your settings to the factory (rigid reboot). Before performing this action is recommended to save your important files and contacts to removable media or downloaded to the cloud.

A list of popular cloud storage:

• Dropbox
• Mail Cloud
• google Disk
• yandex Disk
• Icloud
• One Drive
• Mediafire
• Gavitex
• Box
• Amazon Web Services

Resetting to factory settings

The quickest and easiest option:

Go to section -gt settings; Backup and Reset — Reset.
This method will help only those who know the password / PIN / unlock and those whose protection is not available or is not installed.

Method 2:

1. Turn off the phone or remove the battery and put it back if you can not turn off;
2. To go to the Recovery Menu, press and hold the Volume Up and the Power button at the same time;
3. Release the power button after the logo appears on the screen, but hold the button to increase the volume;
4. Now you are in Recovery menu. Move on the menu is made with the volume, the power button confirms the selection buttons;
5. select item «Wipe data / factory reset» – delete all data;
6. select Yes – delete all user data to confirm your intentions;
7. device wipe process will run for about 30 seconds, then you will be redirected to the Recovery menu;
8. Now select in menu Reboot system now  ;
9. Once you have done all the hard reset your passwords, pin codes, unlock and reset the system restored to factory condition.

Engineering codes for Android Qumo Quest 404

Full list service engineering codes can be found here. Part of code information was taken from there.

How to learn IMEI

IMEI – the unique identification number of your mobile device, sewn by the manufacturer at the factory. Available on any phone, no matter what operating system on it.

To learn IMEI type in the shortcut menu * # 06 # and your unique code will be displayed on the screen.

Android errors

It is not enough free memory

How to get rid of this problem? You need to put the root access on your mobile device, then you can move any application to the memory card or delete unnecessary system applications.

Or you can do a full factory reset (Hard Reset / Wipe Data) instruction is, in this article.

In what folder contains contacts android and how to get them?

Smartphones and tablets have become one with the person, if lose your phone – you lose important information, which should be the restoration of the time, and the time – money. We recommend that you prevent the potential loss of contacts on Android.

If you want to copy phone book contacts from Android to your PC, here’s a path to the file:

Directory /data/data/com.android.providers.contacts/databases/ , All Android phonebook stored in the file contacts.db , depending on the version of Android it can be a file contacts2.db. The file is a SQLite database.
To copy or read a file, you must have root privileges on Qumo Quest 404.

What program to open the file contacts.db

These programs are easy to find.

• SQLite Database Browser
• SQLite Viewer 1.9.6.5 – Plugin for Total Commander

Instructions for all versions of Android:

• 2.3.3 — 2.3.7 Gingerbread
• 4.0.3 — 4.0.4 Ice Cream Sandwich
• 4.1.x — 4.3 Jelly Bean
• 4.4 KitKat
• 5.0 Lollipop
• 6.0 Marshmallow
• 7.0 — 7.1 Nougat
• 8.0 Oreo

Download the firmware Android 5.0, Lollipop, 6.1 Marshmallow, 7.0 Nougat, 8.0 Oreo

Update the firmware of your mobile device.

1. Android 5.0 Lollipop
2. Android 6.0 Marshmallow
3. Android 7.0 Nougat
4. Android 8.0 O (OREO)

To install the firmware do:

1. Download the firmware file and a special program
2. Launch the program
3. Select the required version of the firmware
4. Read the readme.txt and obey all instructions from the archive

How to unlock pattern key on Android

Option 1: to make Hard Reset / Wipe Data Recovery through the menu (see the table of contents of the article).

Option 2: If you do not want to waste time on complicated unlock pattern, try using Gaigunlock Pro software for your computer:

1. USB Debugging should be enabled.
2. To automatically unlock, connect the mobile device to the computer via a cable.
3. Click the Unlock Pattern and wait for the process to complete

The program is available on the official website gaigunlock.pro

Where to buy a case and other accessories are inexpensive to mail delivery

Buy Cases, protective, glass, film, headphones with a cashback of up to 15% possible here.

Leave feedback about Qumo Quest 404

Leave your comments and questions via the comments system.

Material prepared: Komissarov Fedot