Under such circumstances, there are some possible ways for you to have a smack at:
1.If you bought a second-hand iPhone from online store or someone. There is slim chance to remove Activation Lock without previous owner because it’s tough and time-consuming.
2.The last resort is to take advantage of some unlocking services such as Tenorshare 4Mekey to get you out of the dilemma, which is safe and guarantees a high success rate.