yes, both imei's
or even shorter steps:
- make backup nvram+nvdata
- erase nvram + nvdata
- flash eng.rom
- repair imei via META
- reflash stock rom
looks like it work on several (so far tested) popular models,
like 6a/c, note 8 pro, 9a/c etc.
p.s. i haven't tested myself ... so ...take a try
b.r.
Alex