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Continue to ChatNIN-SIM linkage: MTN, Airtel state reasons they blocked some lines https://sundiatapost.com/nin-sim-linkage-mtn-airtel-state-reasons-they-blocked-some-lines/
NIN-SIM linkage: MTN, Airtel state reasons they blocked some lines https://sundiatapost.com/nin-sim-linkage-mtn-airtel-state-reasons-they-blocked-some-lines/