[Q] lost imei

I have nexus 6 in Canada.



I had android 5.0.1. I know it was 5.0.x stock - not OTA updated.



I decided to install chroma rom using the thread here.

http://ift.tt/1zt5Ifl

I installed twrp, and chroma.

I followed the instructions and it worked.

I didn't flash a radio myself. just the chroma rom, gapps, and supersu.

It worked yesterday.



This morning I got a message that android phone app stopped.

I could not make phone calls or sms.

I didn't put much thought into the error message.



I wanted something more stock and I just installed lightrom.

I only installed lightrom, no other flashing.

http://ift.tt/1B44ZQa



The problem persists -- no phone calls or sms.



now:

I looked at my about phone in the settings and it says unknown IMEI.



Any pointers to how I can fix this?

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