Fangrui Product Details Description: Phonefix External Battery Repair Fpc Flex Cable For 11-14 Pro Max. Not Required Battery Guide And Programmer, Just Fixed It. Phonefix Pre-programmed For Battery Tag-on Flex Cable For 11-14 Pro Max Battery Health Data Calibration Without Programming And Setup, No Programmer Required, Just Install And Use It Directly. Not Required: Battery Guide, Programmer. Just Fixed Battery Error Message -up. Not Required: Programming. No Error Mesage. Default Capacity . 0 Cycle. Not Required Programming Battery Repairing Method, Unlike Previous Methods That Require Connecting A Repair Programmer And Extension Board To Modify The Data, This Solution Only Requires Installing A Phonefix Tag-on Flex (preset With The Value Of Battery Health And 0 Cycle). After Restarting The Device, The Battery Health Can Be Shown As . How To Use It 1. Attach The Phonefix Battery Repair Flex Cable Cable To The Battery; 2. Make Sure The Phonefix Battery Repair Fpc Cable And Battery Are Connected Properly, Install