| try this way
1st: make full flash backup
2nd: do format
3rd: change imei
if this way not working try this one
1: Power on Mobile With Battery.
2: insert usb cable
3: select Com
4: install MTK USB driver.
5: open volcano exe and selet MTK USB Port
6: Untick Auto Detect Pinouts
7: tick write imei
8: click run
9: fill imei tab
10:Select Com Port in imei tab
11:Click write imei |