LG leon LTE

[LEKSY1]

please any solution to LG ms34510f not registering on network after successful inlocking
 
the phone worked perfectly for 3 weeks before network failing network

i flash it with another firmware but giving the same problem
i change the imei but the problem persist
anybody with rational solution?

 

[Prince]

please any solution to LG ms34510f not registering on network after successful inlocking
 
the phone worked perfectly for 3 weeks before network failing network

i flash it with another firmware but giving the same problem
i change the imei but the problem persist
anybody with rational solution?

can you screenshot the settings>about  and settings>mobile network Area here 
...however, have you tried fixing it with this Tool. here