Because you avoided sketchy flashing tools, your phone will still receive over-the-air (OTA) updates from Nokia. Go to Settings > System > System Update to ensure you have the latest security patch.
: Text UNLOCK to 611611 from your device to receive your scheduled unlock date. nokia n139dl unlock extra quality
The phone says "Unlock successful" but won't make calls. Solution: This is a carrier provisioning issue, not an unlock issue. Your new SIM card might need to be activated or your phone may need a network reset ( Settings > Backup & Reset > Network Settings Reset ). Because you avoided sketchy flashing tools, your phone