Originally Posted by atc98092
I had this problem a couple of weeks ago on my '19 Shield. I uninstalled the app, rebooted and installed it again and haven't had a problem since. I just fired up a 4K UHD movie and it's playing fine, ramping up to UHD within 30 seconds of starting.
EDIT: I just discovered that Amazon also released a new update today, so you might check in Google Play to see if it's been installed yet. I just installed it on mine, then tested again. Could still play without an issue.
Didn’t work for me .
TV-Sony Bravia KD-65"A1, Pioneer SC-LX901 7.2.4 ATMOS/DTS-X, Polk DSW 660*2, Polk RTi A7*2, Pol Csi A6, Polk RtiA5*2, Polk Tsi300*2, Polk TSX 220B *2, Polk OWM 3*2, ZidooZ9s, Nvidia Shield Pro-19, Zappiti-4kHDROne, Oppo UDP-203, XboxOneX, PS4, Oppo BDP-83, Darbee DVP-5000s, ZidooX10, Sony Bravia HX925 55"