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Hi,
Can you please help me regarding my question on when will i know when my Xperia Z1 is already fully charged.
Does the lightning bolt indicator needed to disappear to identify if it is already fully charged?
also i'm having a lot of time charging my phone. i just bought it less than a week from now.
Thanks.
CAN ANYONE PLEASE ANSWER ME???
IT WOULD BE OF GREAT HELP.. 
I didn't charge my phone when off, only the first time I bought it so i don't not know what the battery logo should be when phone is off but the LED in the earpiece should be red <10%, between 10 and 90% is orange and from 90 % to 100% is green
When phone is on the lightning bolt is always there when plug in and have current. The battery should display the percentage 100 % in the battery logo.
If you don't have the numeric value in the battery logo go to Settings/Personalization/Status bar icons and check the Battery percentage option...
alright thanks for the help..
it's now clear that the lightning bolt is always in the notification even it is fully charged.
having issues as well to fast battery drainage.. i just plugged it off for about 20 mins and it drtains 3% already and its just in standby mode..
also my camera is a little bit laggy this morning but i tried running it in safe mode and it seems like it is now working fine.. maybe i'll see for it in the next days..
If you don't use any feature disable it. Here some tips...
If you have enable WCDMA or LTE mode you can switch to GSM only because the signal is better and there is a limited coverage for 3G, 4G, H+ networks (depending on your area) and your phone use more power to search that kind of networks, If you don't use mobile data often you can switch from WCDMA to GSM only. (A little compromise between internet speed and battery life)
I disable WIFI, Bluetooth, Location services, set Keep WIFI on during sleep to "never" , Scanning always available off, stamina always on. I also try to keep off background services like auto sync. I don't like wasting battery power with automatic synchronisations I'll manually sync accounts when i need it.
If you need to know where are any option you can ask here..
thanks for the help..
but is it normal that the battery drains very fast?
shiuld i worry regarding the matter. or is it part of the bug in 4.2.2 kitkat..
You showed update to 4.4.2 or 4.4.4 if available...
It depends how fast. It is normal for the battery to drain fast if you use the phone for watching videos or streaming something from the Internet or play games..
I have Z1 4.4.2 and i get 2 days of battery whit casual usage and 0.8 - 1 - 1.5 days hi to moderate usage. In estimate stand by mode i get 8-10 day.
So if the battery last less than a day and you don't use the phone much then i recommend a android update and a factory reset and follow the settings that i suggested below to see if battery life improves...
there is still no update prompting for 4.4.4..
so i still can't update.. is there any way i could update?
i can estimate that when browsing my phone battery last less than a day..
i still haven't tried to make it last for couple of days since i'm always using it when browsing the net..
is it also normal if after the phone gots fully charged.
the estimated battery time is just 22 hours after checking on the settings?
The estimation you see there is based on usage statistic from the last period of time.
So if you used your phone more often in the last few days then the estimated time remaning is shorter. And if io dont use your phone you get a longer estimated time...