answer: Hard Reset Manual Reset the Imei
Another Proof
After Hard Reset manual looks the picture of the imei
Available Ports:COM1 COM12 COM22 COM52
Connecting, please hold on the power key...
Baseband chip Version:MT6516
DSP Firmware Version:2000.00.00
DSP Patch Version:1.0
Software Version:MAUI.10A.W10.48.MP.V5.F1
Hardware Version:E1K16_MODEM_HW
Audio Version:Unknow
IMEI1:FFFFFFFFFFFFFFF
IMEI2:FFFFFFFFFFFFFFF
Writing IMEI1:354789021545645
Writing IMEI2:354789740454456
>>Write IMEI success.