Verus USA via Amazon takes 80% off its smartphone cases via the coupon codes listed below. (Be sure to select Verus as the seller otherwise the discount won't apply.) Plus, Prime members bag free shipping. (Non-members can get free shipping with orders of $35 or more; otherwise, shipping adds about $6.) The coupons:

• 80% off Galaxy S6 Cases via "S6CASE80"
• 80% off Galaxy S6 Edge Cases via "S6EDGE80"
• 80% off HTC One M9 Cases via "HTCONE80"
• 80% off iPhone 6 Plus Cases via "IPLUS680"
• 80% off iPhone 6 Cases via "IP680OFF"