iPhone 7/7 Plus won't turn on after it is dropped? Due to the imperfect technology of CPU supplier, the SDRAM of iPhone 7/7 Plus series can be easily damaged. Once dropped, the SDRAM might be short circuited and the phone won't turn on afterwards. The traditional SDRAM replacing method is complex and easy to get it pseudo soldered. This time we introduced a new solution with CNC Chip Grinding Machine. Let's check the video to see how we fix iPhone 7 plus won't power on issue in a more efficient way. Tools Used: DC Power Supply: https://goo.gl/F85B9M Digital Multimeter: https://goo.gl/ikqnKb Integrated Mobile Phone Repair Platform: https://goo.gl/3x5GnM PCB Holder: https://goo.gl/deStR7 CNC Chip Grinding Machine: https://goo.gl/DEoPLx Screwdriver: https://goo.gl/6oNvn5 Solder Wick: https://goo.gl/4MYxuE Solder Wire: https://goo.gl/wvXM7R REFOX schematics software: http://bit.ly/2w9jWai Subscribe us for more latest information --------------------------------------------------------------------------------------------- Blog: http://blog.rewatechnology.com/ Facebook: https://www.facebook.com/rewatechnology/ Twitter: https://twitter.com/rewatechnology ---------------------------------------------------------------------------------------------