Please help Unknown baseband , no imei

3283

6

2017-05-26 03:38

Please help , im using m3 note L version ,
Problem  is  no imei  First imei is NULL  second imei is 000000 , GSM BASEBAND - UNKNOWN  and Dont want to see sim cards
I have try Mrt Box  , new firmwares , Beta firmwares , Try to writ IMEI with every known type
but no effect on phone
BUT  Every day  about 10 minutes everything comes back  and i can make call and use internet  , and everything goes Null and unkonown after 5-10 minute  
when everything works the phone dont see the second sim slot
before  having this problems ( when phone works correctly  )   i have try to use it like 2 sim card and have glued the second sim to SD card  but all worked correctly maybe i have damaged anything   , and when phone worked  correctly i have make changes in Engineering menu in BandMode
Please help me anyone ,  dont have a warranty , and phone repair services cant prepare the phone to be worked