Hand ball is a popular, amazing game in the world. This game played approximately  all over the world. The origins of Handball are of great debate because it is very hard to say defenately that where and when it was started. It is said that Handball was invented and first played in Germany, back in the late 19th century, but In the opinion of the experts the game of handball was originated in Germany in 1890. The first match of the modern era was officially recorded on 29 October 1917 in Berlin, Germany.

Source_  https://www.knowledgeworldbd.com/2018/08/handball-for-kids.html

basket ball is a very popular game in the word.Now a days basket ball is being very popular all over the world. This game is very popular for kids. The game of basket ball was first introduced in America. But the competitive game was started since 1992. Dr. James Neismith was the father of this game. He was the director of physical education in Y.M.C.A. College, Springfield U.S.A. International Basket ball federation was formed in Germany in 1932.
To know details about Basket ball follow the link_  https://www.knowledgeworldbd.com/2018/08/basket-ball-for-kids.html

The game of Badminton was first introduced at Poona in India in 1970. The game was not popular before transfer it from India to England by the English Solders. The Duke of Bewford was very interested for this game and the name of badminton is originated according his village name. This game was first played in own house of Duke of Bewford in Gluchestershire. In 1934 International Badminton Federation was formed at Shilton in England. Asian badminton Federation was formed in 1959.
Know details_    https://www.knowledgeworldbd.com/2018/08/learning-game-badminton-for-kids.html

Jump is a natural and spontaneous expression of human life reveals ingames and sports. A child grows in infancy gradually through playful activities. These activities include the free movements of the child. In course of time, he-takes part in various kinds of activities relating togames and sports. Active and healthy body is very much essential for performing the activities of games and sports.

Source_     https://www.knowledgeworldbd.com/2018/08/jump-for-kids.html

Before read this tutorial, It is necessary to know –
What is unlock code? Why we should know unlock code our phone? How to Place Unlock Code Appropriately To your Samsung Galaxy Mobile. 

I will not guarantee that this code will 100% work. But Just I have tried to give you an Idea of unlock code samsung.

Dear reader, Do not neglect this information on “Unlock code Samsung Galaxy S5” because I have test it several times. Please follow every steps very carefully – Unlock code Samsung galaxy S5 tested method.

1: At first Insert an unsupported SIM card into your Samsung Galaxy S5.
2: Then go to the main window and dial “*#197328640#” from the dial pad on your phone to get Debug menu.
3: After dialing *#197328640#, you will find a UMTS menu on your Samsung Galaxy S5 mobile screen.
4: Now select Debug Screen from UMTS.
5: Next select Phone Control from Debug Screen.
6: And then select Network Lock from Phone Control. Step 7: After then select Option from Network Lock.
8: Now click on PERSO SHA256 OFF from Option.
9: Now wait for a few minutes before going back to the main menu. and wait for the message ‘Network Lock’ then choose NW Lock NV Data INITIALLIZ. (that means you will find a “NV REBUILD” screen and you will see the following text on your mobile screen- “Golden-Backup exist You can Restore Cal/NV”) The phone will tell you that a Golden Backup exists. Tap Restore Back-up.
10: Select Restore Back-up from the “NV REBUILD” screen and wait a moment. Your phone will auto reboot or restart within a few minutes.

See more: How to free Network Unlock Code Samsung Galaxy S5 by unlock code.

Dear Friends,
You have ask a question that How to unlock or reset sell phone or mobile phone? But you did not say any specific models.  So I have tried to definition of unlock code and reset code.
Actually Unlock code and reset code is different to each other.
Unlock code means – Network unlock code so that you can use your mobile in all kinds of sim card and support in all over the world. Here I have gives you a link for your better understanding-
What is unlocking codes key? 
and
Reset Code means your phones reset code which you will get in your mobile phone settings option.
“Re” means again and “set” is the short form if setting. So “Reset” means setting again. In a word reset means to set something again, and setting again means being adjusted back to operation before a failure occurred. We reset hardware device such as computer, mobile phone and this kind of device. As for example we can say a mobile or computer, reset refers to a computer or mobile phones hardware for being adjusting back to operation before its failure occurred.
Here I have gives you a link for your better understanding-
What is reset code or Password?
If you read this two article then you will understand the matter clearly.