Why can't my Lumia 535 connect to a mobile network?

[Windows Central Question]

why my lumia 535 can not connect to the mobile network?

recently i was update extras & info, after that network problem started. after that i never get network on my phone. my firmware update notifier 1.2.17.0
when company going to give us new update

 

[charlatan1978]

Re: why my lumia 535 can not connect to the mobile network?

A hard reset fixed an issue with mobile data on my Lumia 535.