Guide: Nokia TA-105 4G (TA-1286) IMEI Repair / Restore (Updated Method) The Nokia TA-1286 (commonly known as the Nokia 105 4G) is a popular feature phone. A common issue faced by technicians is a "null" or "invalid" IMEI, usually caused by a faulty flash or corruption of the security partition. Because this is a newer Unisoc-based device, older methods used for legacy Nokia feature phones often do not work. Intitle Live View Axis Inurl View Viewshtml Work