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Unlock ZTE Z820

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How to unlock ZTE Z820?

1. Unlock ZTE Z820, locked by the operator.

2. Unlock ZTE Z820, depending on the manufacturer.

3. Conduct unlock SIM card.

4. Restore the phone capacity, which has been locked memory.

5. Unlock java games

6. Remove the graphic lock, password from the smartphone



How to unlock the phone, locked the operator?
The phone locked by the operator cannot be used with a SIM card of another operator. After turning on the phone with a SIM card of another operator, you will need to enter the unlock code.
To unlock your phone, you need to use the services of sites that, for little money, will give you an unlock code to change the operator or network.


Unlock your phone, depending on the manufacturer.
On some phones, you can lock the screen using a password that you set yourself. To unlock your phone with this password, if you've forgotten it, you need to reset your phone to factory settings.



Unlocking phone SIM card
A small plastic card with a chip in the middle - it's indispensable device without which the mobile phone is simply useless as such. It is, of course, on the SIM card. The chip, which it applies, although the small size, but allows you to keep a certain amount of information, which is often confidential. For the safety of the data is also used to protect the technology with the help of the so-called PIN-code that is requested to be turned off. If you unsuccessfully enter the PIN three times, the mobile device will prompt you for a different code, the so-called PUK-code is. It usually consists of eight digits and is provided to you together with the SIM card. If you can not use the phone because of the ignorance of the PIN-code, just use the PUK-code. The PUK code can be found in the documents for the SIM card, if they are lost, then you can either call the mobile operator, or contact the nearest customer service center, taking the SIM card and phone with you. You will be prompted with the PUK code.

Unlock your phone memory
Some phone models allow you to separately deny access to the phone memory or memory card. If you have forgotten the password to access the memory, you need to use additional software. You will need a cable to connect your phone to your computer. One of the programs with which you can access memory is the JetFlash Recovery Tool. You can download it from the official website of the developers.



The main thing is that you are aware of all your actions and perfectly understand what you are doing. Otherwise, you can simply turn the phone into a brick. Therefore, if you do not know how to unlock your phone or perform any other actions with it, it is best to seek professional help.


Unlock java games
To play the games that come pre-installed on your phone, sometimes you need to buy a special code to unlock all their functions, without having to reinstall them.
In order to buy the game, you will need an Internet connection and the ability to pay by credit card, and then follow the instructions after choosing to buy the game.


How to remove the graphic lock, password from the smartphone?
If you locked your Android smartphone with a graphic template and forgot it, then you shouldn't be upset. You have at least several ways to unlock your smartphone.
The first way. Enter the pattern until the system prompts you to enter the login and password from the Google account with which the smartphone was activated.
The second way. If you do not know the login and password for the Google account, you need to reset your phone to factory settings by doing a hard reset operation. You will have to re-configure your phone and install your favorite applications.
For android phones, the hard reset procedure is almost the same, there are only small differences, a detailed description for each specific model you can find on our website. Here we will tell the general list of actions.
-Turn off your smartphone.
-Press the Power and Volume Up buttons simultaneously for 10 seconds.
-As a result, the phone will boot into «Recovery mode».
-Use the volume buttons to navigate the menu and select the Power button.
-Select «Wipe data / factory reset» from the menu.
-Now from the Recovery mode menu select «Reboot system now».
-After reboot, you will receive the phone as if it were from the factory.
The third way. Unlock your smartphone using the smartphone manufacturer's unlock tool. For example, Samsung offers its own «Find My Mobile» service to track and manage mobile phone access.
The fourth way. You can remove your password through your Google account by connecting to it on your computer. Your Google account on your computer has a function to delete data on your phone and remote reset, which will erase all data, including the lock password. Find My Device and Location must be active on your phone. A Google account and 'Play Market' must be configured on the smartphone.

Summary: OS: Android 5.1 Lollipop; Chipset: Quad-core 1.0 GHz Cortex-A53; GPU: Mali-T720MP2; RAM Memory: 4 GB; Display: TFT Color (16M), 480x854 px (4.5") 218ppi; Touch screen: yes; Built-in memory: 32 GB; Camera: 5.0 MPx; Flash: LED; Autofocus: yes; Optical zoom: no; Digital zoom: yes; Second camera: 2.0 Mpx; Bluetooth: 4.0; EDGE: yes; GPRS: yes; GPS: yes; A-GPS: yes; GSM: 850 900 1800 1900; HSDPA: 800 1700 1800 HSPA; USB: 2.0; WAP: 2.0; Wi-Fi: 802.11 b/g/n,; Audio out: Jack 3,5 mm; Games: yes; MP3 player: yes; MP3 ringtones: yes; Polyphony: yes; Radio: yes; RDS: yes; RSS: yes; Vibra: yes; Dictaphone: yes; Loudspeaker: yes; Voice dialing: yes; Accelerometer: yes; Light sensor: yes; Proximity sensor ...

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Tarik Tonkov Mobile technology specialist

Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs.

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