Welcome to our store We specialize in integrated circuit chips If you need to purchase more models Click on the Add To Cart Shipping Information Items will be ship within3 daysof payment receive. working days(2-4 weeks)to receive for most area. If you do not receive item within 30 working days(5 weeks), please contact us to investigate the case. The soldering process is complicated,oldering/replacing chips must be operated by engineers who have proficient skills. As BGA chips are fragile, complicatedly structured, with numerous balls any slightly faulty positioning careless temperature-control or incomplete cleaning PCB boards will result in insufficient soldering or missing soldering. BGA chips are easily get broken by improper soldering. Before buying, you should consider 3 points: 1) Have you bought the right chips? 2) Do you have proper equipment? 3) Are you skillful enough to solder the chips?