Ummm... Can't you just turn on USB Debugging and execute 'adb reboot recovery'? You will either get custom recovery or the android dude with an open chest plate, should know pretty quick.
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Current Personal Phone: Google Nexus 4 on Cricket/Aio (Beanstalk
4.4.4 with hells-Core Kernel
Current Work Phone: LG G2 VS980 on VZW (AICP
Current Tablet: iPad 4 and Samsung Galaxy Note Pro 12.2
Other phones "in the family": HTC DNA, HTC One (M7), Motorola Moto G GPE
Previous/Retired Android Devices: HTC Aria, HTC Incredible 2, HTC Rezound, Samsung Stratosphere, Samsung Galaxy S2 Skyrocket, Nextbook 8P