Harry Potter and the Deathly Hallows - Part 1
45 Achievements
14-17h
PS3
Wizard's Wireless Wizard
Collect all the Potterwatch passwords.
2.2%
How to unlock the Wizard's Wireless Wizard achievement in Harry Potter and the Deathly Hallows - Part 1 - Definitive Guide
There are twelve Potterwatch passwords to collect in-game. Simply collect all twelve to obtain the trophy.
If you are having troubles locating the collectibles, please refer to this post.