|GPU:||Imagination Apple A10 Fusion (hexa-core graphics)|
Into the Dead 2 on the Apple iPhone 7 Plus runs manages a median FPS of 25. If you're looking to play Into the Dead 2 on this device, then hopefully the developer makes some optimisations soon!
Into the Dead 2's battery life on the Apple iPhone 7 Plus is pretty good! You can play it for 3-5 hours before your battery dies. Try this out if you're not concerned about battery life.