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My F1 phone was working fine with the two SIM cards I have, from different operators. However, after I flashed it via OTA to the latest SW V1.0_20190715 one of the SIM cards stopped placing and receiving calls. I have already replaced the SIM card with the operator and nothing. I have also tested that SIM card on a another phone and it is working fine. If I downgrade it to the V1.0_20190528, it started working again. I strong believe an interoperability issue has been introduced. I live in Brazil and the operator of that SIM card is TIM BR. Please help me to get it working fine on this latest SW version. Thanks |
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