Updated to 5.1.1, Phone says sim card not inserted when turning on mobile data.

Mobile data works only if toggled from data usage setting, network signal is okay i can make/receive calls. Imei is correct however imei sv shows unkown.
When using quick settings toggle i get "insert sim card to access network services"

I tried factory reset, installing other rom and modem no luck.

Wiping dalvik cache usually solves the issue.However, if i restart the problem reappears.

Any advice?

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