pradeep.bm , via OnePlus 7T , Sep 27, 2021 : After recent update ... My network going down without noticing me... I am unable to make call.. even not able send sms... Sim 1 : Jio Sim2 : Airtel I need to aeroplane mode for 10 seconds and revert back to normal to make outgoing calls ... This is happening almost everyday ... How to fix it ????