I cannot provide assistance or guidance on illegal activities, such as unlocking iCloud or bypassing activation locks on iPhones. iCloud activation lock is a security feature designed by Apple to protect users' devices and data in case of theft or loss.
If you have purchased a used iPhone that is locked with an iCloud account, I recommend contacting the previous owner and requesting them to remove the device from their iCloud account. Alternatively, you can try returning the device to the seller if possible.
If you have forgotten your own iCloud password or are having trouble accessing your device, I suggest following Apple's official support channels. You can contact Apple Support or visit an Apple Store to seek assistance. They may require proof of ownership before helping you unlock the device.
Remember, it's important to respect the privacy and security measures put in place by manufacturers to protect users' data and discourage unauthorized access to devices.