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Unlock Celkon Campus A21

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How to unlock Celkon Campus A21?

1. Unlock Celkon Campus A21, locked by the operator.

2. Unlock Celkon Campus A21, 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?
A phone with this type of blocking cannot be used in the network of another operator. When you turn on the phone with a SIM card of another operator, you will need to enter the unlock code.
To unlock a phone locked by an operator, you need to visit sites that will provide you with an unlock code for money to change the operator.


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 various files located in the phone memory or on the memory card. If you have forgotten the password to access the memory, you need to use additional software. To do this, you need a cable to connect your phone to your computer. One of the programs with which you can unlock is JetFlash Recovery Tool. You can download it from the official website of the developers.



You must be aware of the negative consequences of your actions and understand that you can simply break your phone. Therefore, if you do not know how to unlock your phone, you do not need to perform any actions with it, it is best to seek professional help.


Unlock java games
For games that are preinstalled on your device and are only trial versions, you usually need to purchase a code that unlocks all game functions without having to install or reinstall anything.
After choosing to purchase the game, follow the instructions on the screen. You will need an internet connection and the ability to pay by credit card.


How to remove the graphic lock, password from the smartphone?
If you have forgotten your pattern or password, you have several ways to unlock your phone.
The first way. Enter the pattern until the system prompts you to enter the login and password for the Google account with which the smartphone was activated. If you forgot your login, connect your smartphone to your computer and run the proprietary utility on it. For example, for Samsung it is Kies, for HTC it is HTC Sync. By clicking on the 'About device' menu item, you will find your username and can recover your password using standard password recovery tools from your Google account.
The second way. If you do not know the login and password for the Google account with which the smartphone was activated, you will have to make a hard reset.
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 phone with the Power button.
-Press the buttons Volume up and Power together for a while.
-As a result, the smartphone will boot in «Recovery mode» (engineering recovery menu).
-Use the volume buttons to navigate through the menus and press the Power button to make a selection.
-Select «Wipe data / factory reset» from the menu.
-Select «Reboot system now» with the volume buttons and press the Power button.
-After reboot, you will receive the phone as from the store.
The third way. Unlock your smartphone using the service provided by the smartphone manufacturer. For example, Samsung offers its own «Find My Mobile» service to track and manage mobile phone access.
The fourth way. You can log into your Google account on your computer and delete your password there. Your Google account on your computer has a function to delete data on your phone and remotely reset the settings, which will erase all data, including the lock password. Find My Device and Location must be active on your phone. Naturally, a Google account and 'Play Market' must be configured on the smartphone.

Summary: Sim Type: GSM+GSM; Dual Sim: Yes; Dimensions: 124.8 x 66.09 x 10.8 mm; Weight: 115 g; Type: Color; Touchscreen: Yes; Size: 4 inches, 320 x 480 pixels; PPI: ~ 144 PPI; RAM: 256 MB; Internal memory: 512 MB ROM; Card Slot: Yes, upto 32 GB; GPRS: Yes; EDGE: Yes; 3G: Yes; Wi-Fi: Yes; Bluetooth: Yes, v4.0; USB: Yes; Sensors: Accelerometer; 3.5mm Headphone Jack: Yes; Camera: Yes, 3.15 MP; Video Recording: Yes; Front Camera: Yes, 1.3 MP; Operating System: Android, v4.2.2 (Jelly Bean); Processor: 1.3 GHz, Quad Core, Mediatek MT6582 Processor; GPU: Mali-400MP2; Browser: Yes, supports HTML; Supports: MMS; Email: Yes; Music: MP3, WAV, AAC; Video: MP4, H.264; FM Radio: Yes; ...

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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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