First try a factory resetTo factory reset your device, boot into recovery by holding volume up and power button for about 3secs select factory reset from the list. (If you see the green android man, press volume up and power button again)you can as well boot into the Chinese recovery by holding volume down and power button for about 3secs then select eMMC from the list.If the solution above does not work for the device then you will have to flash the device using sp flash tool.Download the stock ROM of the device. Download stock ROMs from hereLoad the scatter file in sp flash toolFlash only system.img that is tick only Android on the list shown sp flash tool after loading scatter file.Click Download and connect your device.Wait for the process to complete.If device just vibrates when you press power button.Do a full flash. Download the stock ROM of the device. Download stock ROMs from hereLoad the scatter file in sp flash toolSelect all the images present.Click Download Connect device and wait for process to complete.If device displays " Unlock privacy protection password "Do the following belowFormat the device before Download.To format the device,Download ROM of device. Load scatter file of the device.Goto Format tab and click Start button.Connect the device and wait for process to complete.Disconnect your deviceNow enter back the Download tab and click Download buttonConnect your your device and wait for flash process to complete.Second Method
Donwload Miracle box Setup Or Crack From
hereopen it and navigate to mtk
tab on unlock/fix
check clear Anti-theft
click start botton
conect ur devices
while holding volume down key
wait still proccess complete
remove the usb cable
an power ON device
note: it may take upto 10-15 minite to boot...