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Unlock Nokia Lumia 638 4G

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How to unlock a Nokia phone?

For this, we need:
computer (or any analogue of: laptop, netbook, tablet) with Internet access;
USB cable that fits your phone;

Nokia PC Suite software, which must be pre-installed on your computer, and (preferably) has been updated to the latest version. You can download it from the official website of Nokia (nokia.ua);

Nokia Unlocker Tool program, which should also be on your computer.
Then you run the program, insert the cable into the computer and connect to the phone. When the phone is recognized program Nokia PC Suite, you can run the program NokiaUnlockerTool. The phone will be recognized and the program. Perform code request and the program must unlock the phone. If this method does not help, contact the repair of telephones or the nearest service center of your mobile device manufacturer.

How to unlock Nokia Lumia 638 4G?

1. Unlock Nokia Lumia 638 4G, locked by the operator.

2. Unlock Nokia Lumia 638 4G, 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 is used by a mobile operator to make it impossible to use your phone on another operator's network. When using a phone with a SIM card from another operator, you need to enter a password or unlock code.
The operator blocks the phone using a unique IMEI number. To unlock the phone, you need to use the services of certain sites, which, for a monetary reward, will give an unlock code 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. 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. Or contact your nearest customer service center with your SIM card and phone. 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 such as the JetFlash Recovery Tool. You can download it from the official website of the developers.



You must be aware of your actions and understand that you can simply turn the phone into a brick. 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 factory installed on your phone and are only trial versions, you usually need to purchase a code that unlocks all game features without having to install or reinstall anything.
To do this, you 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 forgot your pattern and locked your smartphone, then you shouldn't be upset. You have several ways to unlock your smartphone.
The first way. After a series of unsuccessful attempts to enter a pattern, the phone will prompt you to enter the login and password of 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 will have to make a hard reset. All information and photos on this phone will be erased during the reset process.
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 and hold the Power and Volume Up buttons together for a few seconds.
-As a result, the phone will boot into «Recovery mode».
-Use the volume buttons to navigate the menu and the Power button to make a selection.
-Select «Wipe data / factory reset» from the menu.
-Select «Reboot system now».
-After reboot, you can use your phone.
The third way. Unlock your smartphone using the smartphone manufacturer's unlock service. For example, Samsung has developed «Find My Mobile» to track and manage access to a mobile phone.
The fourth way. You can delete your password through your Google account if you can connect to it on your computer. Your Google account on your computer has a remote reset and data deletion function on your phone that will erase all data, including the lock password. Find My Device and Location must be active on your phone. Well, it is clear that a Google account and 'Play Market' must be configured on the smartphone.

Summary: OS: MS Windows Phone 8.1; Processor: Qualcomm Snapdragon 400; Processor clock: 1.20 GHz; GPU: Adreno 305; RAM: 1 GB; Internal memory: 8 GB; Memory cards: yes; microSD, microSDHC, microSDXC (up to 128 GB); Display: Color / IPS TFT; 16M colors; 480 x 854 px (4.50") 218 ppi; ~64.6% screen-to-body ratio; Display protection: Corning Gorilla Glass 3; Photo matrix: 5 Mpx; Resolution: 2592x1944 px; Flash: yes; Digital zoom: 4x; Video formats: H.264, MPEG4 - 30 fps; Video resolution: 1280x720; Additional: AF, f/2.4; A-GPS: yes; GPS module: yes; Bluetooth: yes v4.0; EDGE: yes; GPRS: yes; GLONASS: yes; Beidou: yes; IrDA: yes; NFC: yes; USB: yes v2.0; WAP: yes v2.0; WiFi: yes v802.11 b/g/n; WiFi f ...

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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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