Short answer: No.
Long answer: No, the iPhone SE doesn’t support 3D Touch.
3D Touch
iOS developer adds 3D Touch to iPad Pro using Apple Pencil
Veteran iOS hacker / developer Hamza Sood has impressed the ‘net with his latest project: enabling 3D Touch on the iPad Pro.
How to weigh things with your iPhone 6S
The standout feature of the iPhone 6S is its 3D Touch screen, which uses pressure sensors behind the screen to tell the difference between a normal tap and a heavy press. That same system can also be put to work as a kind of digital scale – and several developers have done just that.
Will an iPhone 6S tempered glass screen protector work with 3D Touch?
3D Touch is the headline feature on the new iPhone 6S and 6S Plus, allowing you to press deeply into the phone to peek at previews or pop into selections. From the early reviews it looks like the feature is quite brilliant, but a lot of people have been asking us whether screen protectors will be 3D Touch compatible. It seems like normal plastic screen protectors should be compatible, but what about the more popular tempered glass screen protectors, which are generally thicker and more inflexible?
Upgrading to the iPhone 6S and/or iOS 9? Here are the best new (and hidden) features
If you’re upgrading to the new iPhone 6S and 6S Plus from an older iPhone, you might not realise many of the new things that are possible in iOS 9. From 3D Touch to Low Power Mode, there are plenty of new tips and tricks that will let you get the most out of your new iPhone. Let us get you up to speed!