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Open the phone settings → "SIM Card Manager"
.Xref AnchorName SIM_Card_Manager
Check both SIM are active on device
.Xref AnchorName Both_SIM_are_active_on_device
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Open the phone settings → More networks
→ Check under "Mobile Networks" that the mobile Network mode SIM 2 Xref AnchorName More_Networks
is set to LTE/WCDMA/GSM (auto connect) Xref AnchorName Mobile_Network_Mode_SIM_2
| Xref | ||
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To receive calls on both SIM check Receive incoming calls in General Tab
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