Hello, Hero Candidates!
To play the Devil Book, please check our game's Minimum requirements,
■ Minimum Specification Guide
1. Minimum RAM: 2GB
2. Minimum OS version: Android 5.0 Lolipop (API Level 21 or higher)
1. Minimum Specifications: iPhone 6S
2. Minimum RAM: 2GB
3. Minimum OS version: iOS 11
1) Secure enough space
- Empty your device’s memory up to 2GB to download ingame resources. Devil Book would take 1.5~2 GB of space in your device’s memory.
2) Close other apps consuming RAM while Devil Book.
- If you run other apps when you play Devil Book, it may share RAM with the apps and it would affect your playing.
For additional inquiries, please email at email@example.com