If you have an iPhone or you plan to buy some and you are not sure whether the phones FMI (Find My Phone) is on or off, you should check IMEI. How?
Each and every device has its own IMEI and you simply need to type it to see if iCloud is on or off. This is of crucial importance if you plan to buy an iPhone and you should always check if FMI Activation is switched off before you buy it.
It is worth mentioning that all types of Apple devices support this.