I am using SM-N9500 samsung note 8 hongkong model, i frequently change the roms.. but last time i tried to install a custom rom and then i lost IMEI. i am getting error like IMEI-unknown, baseband- unknown, no network and sim cards not working..
i tried installing stock rom, custom roms and even tried combination firmware, it is installing successfully but IMEI is not working. i didnt even back up my EFS folder. So, kindly help me to get back my IMEI.
please find below link to see all the procedures i followed and failed. kindly help me to restore my IMEI.