The common web consensus seems to be that if you see a name in your chrome emulator, you can use it as-is in your protractor config ... so I tried Apple iPad
:
This code contains supported devices:
https://cs.chromium.org/chromium/src/chrome/test/chromedriver/chrome/mobile_device_list.cc?type=cs&q=%22Apple+iPhone+6%22&sq=package:chromium&l=12
For the moment it contains:
Laptop with touch
BlackBerry Z30
Google Nexus 6
Google Nexus 7
Google Nexus 4
Google Nexus 5
Apple iPad
Laptop with HiDPI screen
Samsung Galaxy Note II
Nokia N9
Samsung Galaxy S4
Nokia Lumia 520
BlackBerry PlayBook
Apple iPhone 5
Apple iPhone 4
Apple iPhone 6
LG Optimus L70
Apple iPhone 6 Plus
Apple iPad Mini
Amazon Kindle Fire HDX
Samsung Galaxy S III
Laptop with MDPI screen
Samsung Galaxy Note 3
Google Nexus 10