p20 pro copy mt6580 not possible root repair imei

proble model p20 pro cinaphone mt6580 imei invalid damaged not possible root mettod Yunos check different metod not work failed , is possible recevied file root my model thanks

SigmaKey 2.33.03 ADB: Obtain root privileges (Method #3)
* daemon not running. starting it now *
* daemon started successfully *
^ YunOS ACB Interface
Version: Linux version 3.4.67 (ta@ta-Z10PA-D8-Series-Invalid-entry-length-16-Fixed-up-to-11) (gcc version 4.7 (GCC) ) #4 SMP PREEMPT Wed Dec 19 15:55:21 CST 2018
Phone model: alps P20 Pro
Android 4.4.2; Firmware: KOT49H; Date: 2018年 12月 19日 星期三 10:09:17 CST
Version: kunlin_FOREIGN_U3_W110_3G_P20_Pro
Android Version: 4.4.2 "KitKat"
Obtaining root privileges....Failed