I upgrated my meizu m3 note (L91) to china rom flyme 6.7.8.28 beta from 6.1.0.0G.My imei nd baseband has removed from the phone.And that rom was full of bugs that's why my network,flash,camera,fingerprint stop working.I cant upgrade my phone to another verson.what can I do?

i have m3 note meizu but my phone doesnt show L91 or M91
it show serial with begining of 91Q........

Nice describe.

Thank you for explanation

That means you have M681H