HELP ! redmi note 8 pro mi account remove but problems

[veyrrongold]

1)i reset mi account
2) Flash begonia_global_images_V12.0.5.0.QGGMIXM_20201107.0000.00_10.0_global_micloud with flashall.dat file and uncheck crclist & sparsecrclist as read in another post
3) All done but can't update to 12.0.8 from menu and no sim only emergency calls
What i'am doing wrong ?
Need to relock bootloader?
No need to uncheck to files?
Can't update system apps

 

[veyrrongold]

link not working
after flash no service ?
getting a pop up message xiaomi activation service and then nothing
no imei !!!

 

[RSU_OFF]

If your device lost the imei, perform nvram backup, restore the original imei and then pass nvram again