The is a official-style utility for MediaTek devices that can rewrite the IMEI without requiring expensive hardware boxes.
Maui META (Mobile Engineering Testing Architecture) is the official tool from MediaTek. It is the safest method for the Alcatel 2012D. alcatel 2012d imei repair
: Most MTK (MediaTek) servicing tools are Windows-based. USB Data Cable : A high-quality micro-USB cable. The is a official-style utility for MediaTek devices