readmi y2 (ysl) m1803e6i imei 0 problem

Hello Gsm Developer
readmi y2 (ysl) m1803e6i imei 0 problem

1ST= I TRY WITH ALL THIS FIRMWARE

ysl_global_images_V10.0.1.0.OEFMIFH_20180829.0000. 00_8.1_global_fb185a4220.tgz WITH MI TOOL

bigota.d.miui.com/V11.0.2.0.PEFMIXM/miui_HMS2Global_V11.0.2.0.PEFMIXM_9b41feaa9c_9.0.z ip WITH WIFI

AFTER FLASH NV CURATED BUT I SOLVE WITH UMT

BUT MY PROBLEM NOT SOLVE

2ND= I ALSO TRY WITH QCN WRITE WITH IMEI EDIT QCN BUT SAME

3RD= I ALSO TRY
fastboot erase modemst1
fastboot erase modemst2
fastboot erase fsg

BUT SAME IMEI IS "O"