Bypassing the activation lock may disable cellular functions (calls/SMS) and certain iCloud features on some models; it is primarily used for accessing the device via Wi-Fi.
Verify your device details (model, iOS version, IMEI) displayed on the screen. Tenorshare 4MeKey (iPhone Activation Unlocker) ...
Once unlocked, the previous account is removed, allowing you to set up the device as new. Bypassing the activation lock may disable cellular functions
How to remove Find my iPhone activation lock without Apple ID? the previous account is removed