Hi everyone. I'd updated my Xperia X dual to latest software version with build version 34.3.A.0.252 which its contains December security Update. After updated my phone, i've found something error with my network which said no sim card inserted. Then i'd tried to go setting and check that the baseband version is Unknown and the imei is not shown. Is it the error from software update or something? And how to fix this issues? Please help
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