test OK with iPhone 5!

See video on Amazon.com Test Tripod Benro head and arca-swiss monobal Z1 (for budding photographers), I fixed the Joby GripTight Mount on a tray and then tied the smartphone (an iPhone 5 here) on the joby (careful we can fix that in the width direction due to its small size: ideal to store in a camera bag needed), all attached to the tripod to take pictures mode accelerated '(and produce a video of a panorama moving Guaranteed Notes): perfect result does not move (although the tripod must also be fixed so the record is perfect: but joby does his birch can also fix it on! a cane for successful selfies I think (not tried yet!).
See video for illustrations;)