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Unlock Coolpad Grand 4

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How to unlock Coolpad Grand 4?

1. Unlock Coolpad Grand 4, locked by the operator.

2. Unlock Coolpad Grand 4, 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?
This type of blocking excludes the use of the phone in the network of another operator. A phone with a SIM card of another operator, immediately upon switching on, will ask you to enter a password or unlock code.
To unlock your phone by an operator, you can use the services of sites that, for little money, will give you an unlock code to change an operator or network.


Unlock your phone, depending on the manufacturer.
Many phones can be locked using a password that the user sets himself. But what if you forgot this password? To unlock your phone, you need to do a factory reset on your phone.



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 the first thing to do is call the mobile operator. There you will be prompted with the PUK code.

Unlock your phone memory
Some phone models allow you to set a password to access the phone memory or memory card. If you have forgotten the password to access the memory, you need to use special 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.
If you want to buy the game. Connect your phone to the Internet and follow the instructions on the screen to complete the payment.


How to remove the graphic lock, password from the smartphone?
If you have forgotten your pattern or password, then you have several ways to unlock your smartphone.
The first way. Enter the pattern, after several unsuccessful attempts, the phone will prompt 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 phone.
-Press the Power and Volume Up buttons together for 10-20 seconds.
-As a result, the phone will boot into «Recovery mode».
-Use the volume buttons to navigate the menu, and use the Power button to select.
-Select «Wipe data / factory reset» from the menu and press the Power button.
-Now from the Recovery mode menu select «Reboot system now».
-After restarting your phone, you will have a new operating system.
The third way. Unlock your smartphone using the smartphone manufacturer's unlock tool. For example, Samsung offers «Find My Mobile» to track and manage access to a mobile phone.
The fourth way. You can connect to your Google account on your computer and remove your password. In your Google account on your computer there is a function to delete data on your phone, which will erase all data, including the lock password. Find My Device and Location must be active on your smartphone. A Google account and 'Play Market' must be configured on the smartphone.


Summary: Chip: Nvidia Tegra 4; Process technology: 28 nm; CPU: 4x ARM Cortex-A15, 1x ARM Cortex-A9; CPU bits: 32 bit; Instruction set: ARMv7; Level 1 cache memory (L1): 32 KB + 32 KB; Level 2 cache memory (L2): 2048 KB; CPU cores: 5; CPU frequency: 1800 MHz; GPU: ULP GeForce; GPU cores: 72; GPU frequency: 672 MHz; RAM capacity: 2 GB; RAM type: LPDDR3; RAM channels: Double channel; RAM frequency: 933 MHz; Width: 2.89 in; Height: 5.14 in; Aspect ratio: 1.77816: 9; Resolution: 1080 x 1920 pixels; Pixel density: 373 ppi; Color depth: 24 bit16777216 colors; Display area: 75.15 %; Other features: CapacitiveMulti-touch; Operating system (OS): Android 4.2 Jelly Bean; Number of SIM ca ...


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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