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Message: <blockquote data-quote="laal" data-source="post: 8618188" data-attributes="member: 94459">How to Reball BGA Chips of a Mobile Phones Manually by HandReballing Ball Grid Array (BGA) Chips in mobile phones manually by handReballing BGA chips tends to need and have a good steady hand, since  most cellphone technician applied it manually by hands. It also requires  good practice  and experimentation before proceeding to reball any  chips in mobile phones, because there are chips in mobile phones that  can be easily damaged if you are not so familiar of doing it as well.   like the CPU's and the Application processor chips are very vulnerable  and can be easily damaged when applying  unrecommended  heat on it. I  advice that  spending much time to practice it with non working PC board  and chips is a good way to start. To put thing straight up, in real  life there are  technician that are good re-baller and some have poor  skills on it. that is what I observe mostly when attending many forums  on the Internet. The truth is by practicing doing it is the key to  enhance re-balling chips skills. Re-balling Chips Methods. Prepare the proper Tools -You need to prepare also proper <a href="http://cellphonerepairtutorials.blogspot.com/2010/04/reballing-kits.html" target="_blank">reballing kits</a> and a <a href="http://cellphonerepairtutorials.blogspot.com/2010/04/cleaning-tools.html" target="_blank">cleaning kits</a>  for further cleaning the PC board.  . A good and controlled hot air temperature, You need to refer to manufacturers manual for proper temperature settings.Reballing BGA chips manually by hand skill, this tutorial video courtesy of <a href="http://www.youtube.com/user/onadbballais" target="_blank">onadbballais</a>Some technician used IRDA or Infrared Reworks Station and other  reballing kit available on the market today. Practice by doing it  everyday I assure you can do it yourself within just a few days.</blockquote>

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