This Oppo IMEI write tutorial is only and only for Oppo Qualcomm chipset based android devices like Oppo A37f / Oppo A37FW mobiles. Method is different for Oppo MTK chipset based devices.

  • Connect the device with pc via USB cable.
  • Next, open phone dialler app and type code *#801# to enable engineering mode on oppo mobile.

Code To Enable Engineering Mode On oppo Qualcomm Phones : *#800# or *#801#
1:first All Davir Install
2:Instal Miracle 2.57 
3:Code Dill *#801#
And All Mode Enable
Mobile On This All Work