Resetting your iPhone 6 without the iCloud password can be a real challenge, especially if you've forgotten your credentials. However, there are some steps you can take to regain access to your device. Here are a few methods you can try:

1. Use iTunes: Connect your iPhone 6 to a computer that you have previously synced with, then open iTunes. Select your device and choose 'Restore iPhone' to reset it without the iCloud password.
2. Recovery Mode: If you haven't synced your device with iTunes before, you can try putting your iPhone 6 into recovery mode. Connect it to your computer, open iTunes, and follow the on-screen instructions to reset your device.
3. Find My iPhone: If you have enabled 'Find My iPhone' feature, you can remotely erase your device through iCloud.com. Log in with your Apple ID, select your device, and choose 'Erase iPhone' to reset it.

While these methods can help you reset your iPhone 6 without the iCloud password, it's essential to note that you may lose your data in the process. Make sure to back up your important files before performing a reset.