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  1. suresh473

    Invalid input pop-up on Nexus 6p

    Hi, Recently I have updated my Nexus 6p to Android 8.0.0. I am observing pop-up saying invalid input by Sim toolkit for every 30 seconds(see the attachment). I tried rebooting the mobile multiple times, reinserted sim card, and did factory reset but of no use. I am in India and using Airtel...