Is the Speck Presidio GRIP the perfect smartphone case? Hardware and Software Hardware Mobile and Wearables by happygeek …past six months my case of choice has been the Spigen Tough Armor, a dual-layer heavy duty protection device …plain vanilla Presidio, but this was even slippier than the Spigen so I ruled that out immediately. Ditto for the …precious little difference in profile between the Speck and the Spigen, the former being 1mm thicker with the phone in-situ…