Coolpad Legacy User Manual (Boost Mobile) Coolpad Support Follow Download the User Manual by clicking the links below. Coolpad Legacy_3705_User Manual_Sprint_English.pdf 3 MB Download Coolpad Legacy_3705_User Manual_Sprint_Spanish.pdf 3 MB Download Related articles Coolpad Legacy User Manual and Quick Start Guide Coolpad Legacy Go User Manual & Quick Start Guide Coolpad Snap (Sprint/Boost/Virgin Mobile) User Manual How can I Extend Battery Life for my Coolpad? Is the Coolpad Tracker waterproof? Comments 2 comments Sort by Date Votes Kenneth barnes Jr August 31, 2019 16:12 I have Coolpad cp3705A and my video calling is not working through regular video calling from contacts nor duo as well as Instagram. Sometimes duo connect and there's a loud screeching noise even though I'm at work and my wife is home. YouTube videos not show and I'm getting a lot of app not responding messages, I'm a metro pcs customer 1 Comment actions Permalink Russell Rogers September 11, 2019 19:05 Won't update with the new pie update 0 Comment actions Permalink Please sign in to leave a comment.