Some users are seeing Android is starting: "Optimizing app 1 of 1" or "Optimizing app X of X" continually for 10-15 minutes after a power cycle.
Please be advised the pre-loaded AllTrails application is causing the behavior. Please disable the application while a permanent solution is investigated
Settings > Apps > AllTrails
Select Disable App for removing user data for the application
Choose OK to replace the app with factory version
Sprint S.M.A.R.T AgentsSprint S.M.A.R.T Agent are here to help Monday through Sunday 6:00 AM CT - 6:00 PM CT. If you need to speak to an agent outside of these hours, please visit Sprint Chat