Networks Are Fluctuating

Hi,
My phone Zenfone 5z is having cellular network issues after update, from last one month.
i am using my phone with dual sim of diffferent providers..
There is no issue in Sim, network, locality, as i tried sim cards with other devices and its working fine there..
both networks are okay for 80% of day but randomly both goes to zero with registration failed and i am 90% sure that code is randomly failing to register IMEI/SIM number to my provider..
Plz check and fix.. i will give u screenshot as well..
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Comments
Hi there, kindly share with us the firmware version on the device and screenshot of the issue so that we can help you better.