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hi,
Can anyone please confirm if Ultra Stamina mode is back on Z3 Compact with latest update for Marshmallow, please confirm model#
Model no : D5833
I use ultra stamina mode quite often, i think it is best feature, converts your smartphone into nokia for long battery life when you can't charge it for few days.
Thankyou
Yes, it is back
Thankyou.
You have same model# as mine?
no, I have a Z5 compact, on Android Version 6.0.1. but you can search other users reporting that Ultra Stamina mode is present. be warned though that the regular stamina mode is not the same as the previous one. it has changed and frankly is not useful as before.
Can anyone with model#Model no : D5833 please confirm if Ultra Stamina mode is back.
Z3 Compact
I was on Lollypop upgraded after reading reports online that Ultrastamina is back. Should have waited little longer.
Going to write to Sony, i suggest we all write to sony. I don't care much about stamina mode but what i do use quite often is ultra stamina mode when i cant charge my phone for days. This feature is very important to me.
Just sharing my experience after update. I was afraid to update but so far my experience has been good.
Battery life is good so far, not much difference so far compared to Lollypop but i am going to check again without running one specific app which has been consuming most battery and using GPS.
After 100% charge and now i am at 19%.
Wifi was on all time
Its showing GPS was on all time : Though i wasn't using maps but its showing GPS was on all time. One of the app was using GPS in background, that is the app consuming highest battery(but i doubt that as GPS drains battery much faster)
I am at end of 2nd day
5 and half hour screen on time(was on 20% brightness)
Used mobile data
As per sony battery saver mode replaces Ultra Stamina mode, at 19% i have set it to battry saver mode let see it is actually ultra stamina mode.
There are some bugs
Wifi issue which is well known
After many years sony camera still doesnt allow use date as image name 
What i like most?
You can switch off phone with double tap, with ringke cover
on Z3 compact its hard to push power button.
Rest all looks good so far