Android Question Widget RequestUpdate on Android 5.1.1 problem

Example

https://www.b4x.com/android/forum/t...widget-more-frequently-than-30-minutes.11329/

with
StartServiceAt("", DateTime.Now + 1 * 500, False)
or
StartServiceAtExact("", DateTime.Now + 1 * 500, False)
not work on real machine with android 5.1.1

For other similar project i need refresh graphic widget 4x per second. Android 4 no problem. Android 5 problem. Set refresh 4x per second, but it works 5 second. :-( Any solution? Thank you respectfully...