stamina mode?

[xperiaz2]

Hi, i got the xperia z recently. Have noticed that at times the stamina mode doesnt work properly. When you toggle between it the battery life doesnt change. I then have to reset the phone post which it works fine. This has happened 3 times in the last 5 days.Does anyone know how to fix?

[Uliwooly]

repair it with SUS, that's the first thing I did when I got my phone

Update Service (SUS)

http://www.sonymobile.com/gb/tools/update-service/

http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355

which build number do you have? settings > about phone > build number

[Aky1]

Battery is fine with me, even without turing on the stamina mode my phone last me for 2-3 days on standby mode.

[Uliwooly]

I've noticed one issue, I don't use stamina as I like to keep my data/wifi on but when I check the phone in the morning stamina was on, it seems that after few hours on idle the phone enable stamina, its a good thing for users who like to save battery, but it is bad news for users like me who want to keep their data on (sync on)

[Aky1]

Well my stamina mode doesn't turn on automatically, though it gives me message suggesting me to turn on my stamina mode every morning. Here what I don't understand is, everyone is facing same problems but in different way. Lol.

[asrujit]

Wll. this somthing  Important SONY !! we are paying for a good phoen.

if  the battery dont last ling then there is no poient of  purchasing it!!!!

Same with me Guys ...

SONY Team must  releae  an update  or  resspond to the thread asap.

[hsantoso]

I repaired mine first time I got my phone by Update Service, after 5 days, now the stamina mode doesn't work when I toggle it on or off.

[MKqtr]

Iam facing the same problem

I spent alot of money for the stamina mode ??????

Because I had before galaxy s2. Which 12 hrs battery life

I hope Sony run quickly to solve our serious problem

[Ussie]

I think it takes a while for your phone to work it out?

At first I didnt notice much changes between the estimated but now if I toggle between the options I see the changes.

I can run my phone up to 2 days with wifi/mobile network on 24/7. I'm a heavy user of social networking, texting, emails also calls now and again.

Battery is brilliant

[GeoffH]

why are there several threads running about this - can we merge some of these

and my thoughts for you

http://talk.sonymobile.com/thread/123969?tstart=0

[Johan]

STAMINA mode will constantly re-evaluate your usage and update the expected standby time accordingly.

This standby time will completely vary depending on your own personal usage. You may see that when you first start using your handset, the Standby time will be higher than what is expected after you have used the handset for a few days. This is due to STAMINA mode having no previous usage history to estimate from.

If you have a very high usage level, you may only see a slight improvement between having STAMINA enabled and disabled. STAMINA mode is more effective the more often the display is turned off as this is when the power saving features kick in. If the display is rarely turned off, you may not see much improvement in the battery performance.