Request the unlock code via the portal or by calling their customer service.
The lock is a software code embedded in the phone’s firmware that tells it: "Only accept SIM cards from [Original Carrier]." nokia n139dl unlock
: Go to Settings > Device > Device Information > Reset Phone . Request the unlock code via the portal or
The Nokia N139DL is typically sold "locked" to Tracfone or its subsidiaries (Straight Talk, Total Wireless). nokia n139dl unlock