I HAVE 15 YEARS EXPERIENCE OF THIS FIELD OF REAPIRING.I AM SPECIALIST IN SOFTWARE AND HARDWARE.I DEAL EVERY KIND OF INSTRUMENT USE IN THIS FIELD JUST LIKE ALL DONGELS .NOKIA BEST.CM2,EFT DONGLE,MRT DONGLE,Z3X BOX.OCTOPLUS.HCU,CHIMERA TOOL,ETC.AND THE OTHER WAY I KNOW OCA MACHINE SEPRATERE MACHINE FOR CUTTING GLASSES OF PHONE SPECIALIST IN IPHONE GLASS CUTTING AND ALL OTHER ANDROID PHONES.I KNOW CHIP LEVEL REPAIRING WELL KNOWN ABOUT HOW TO REPAIRE FACEID OF IPHONE BGA REPAIRING AND REBALLING.I KNOW HOW TO DIAGNOSE CELL PHONE AFTER WATER DAMAGES AFTER HALLING HOW TO REPAIRE.I KNOW HOW TO INCREASE IPHONE MEMORY.BASEBAND AND U2 IC CHANGING.VERY WELL KNOWN ABOUT EVERY KIND OF TRANSMETER REPAIRING.AND CHARGING BASE CHANGING IN MY RIGHT HAND.