Unable to set preferred call option in my phone , any other user facing same issue ?
Mobile network provider: Airtel, BSNL
I too am facing the same problem. I have Reliance Jio as my first SIM and Airtel as my second SIM. Unable to set my Airtel as default SIM for calls. However, if I reformat the phone without any SIM inserted I do get the option of selecting the SIM before each call. I wish someone would explain the above process.
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