1.) Let the battery drain out till the device turns off or there is just 4-5% left indicated
2.) Take out the battery+sim+MicroSD card and wait 30 seconds to 2 minutes
3.) Place it back
4.) Turn on the phone
5.) Plug it in the AC charger
6.) Charge it overnight, once 100% let it charge for 2-3 hours minimum, 8 hours recommended, 12 or more hours for best
7.) Plug out the charger
8.) Turn off the phone
9.) Wait few seconds
10.) Put the plug back
11.) If it's charging let it charge until green light+2 minutes. If it's green let it be charged so for extra 2-3 hours
12.) If you have ROOT go to recovery and wipe battery stats.
13.) Reboot 14.) If you had green light turn off and take out battery for 30 seconds - 2 minutes, and wipe stats again. Then charge till 100% again when turned on, and charge till 100% again turned off, then just reboot.
14a.) If you've successfully charged it to 100% and wiped battery stats, try to charge 100% again turned on and again turned off. Just in case. If it's okay continue using the device.
15.) Download Battery Doctor/overcharged and check if the voltage is more then 4150mv. 4197mv is the best = successful. 4150mv-4197mv = quite successful and <4150mv unsuccessful.="unsuccessful.">
So if you really hate your desire's battery life, do all the 15 points. If you're okay with it you can shorten it. These developers really chat a lot as compare to HTCdesireForum
Anyway last night spent to do the first blog method until 2am wake up at 6am to proceed. By 9:30am I thought my sequence is done. Then at 10 am saw this and download overcharged and it is 94% 4084mV I think I have to redo the thorough method tonight while it is for other HTC EVO 4G just would to record it
here as there is another trips from HTC http://forum.xda-developers.com/showthread.php?t=712990
I will be happy to go over various setting with you that will help extend the battery life. Traditionally WiFi, GPS, Bluetooth, and display brightness all greatly impact battery performance. With Android 2.1 another feature that can kill your battery are the Live Wallpapers. If you’re using Live Wallpaper just turn if off.
Adjust the Brightness of the display (Menu | Settings | Sound & Display | Brightness). By default it is set to auto adjust but you can manually adjust it down. Consider adjusting the display timeout (Menu | Settings | Sound & Display | Screen Timeout). The default value is 1 minute but you can reduce it to as low as 15 sec but 30 seconds.
By default your HTC Incredible vibrates every time you press a key. Turn it off by un-checking the box ‘Vibrate when typing’. Menu | Settings | Language & Keyboards | Touch Input | Text Input | Vibrate when typing.
If Facebook, Twitter, MySpace, Email, App Updates, or many other things are constantly popping notifications, consider turning some of them off as notifications do impact battery performance; This is done in each app.
To also help with Battery Life you can do these steps exactly:
1) Turn your device ON and Charge the device for 8 hours or more
2) Unplug the device and Turn the phone OFF and charge for 1 hour
3) Unplug the device Turn ON wait 2 minutes and Turn OFF and charge for another hour
Your battery life should almost double, we have tested this on our devices and other agents have seen a major difference as well.
Meanwhile there is another suggestions to do this http://forum.xdadevelopers.com/showthread.php?t=701567
Oh no never ending stories ... but maybe it is for HTC EVO
Preparing...
With the phone in the on position. Fully charge the battery with the phone on... (until the led turns green.) Once the led turns green, unplug the charger until the led goes off. After the led goes off, plug the charger back in. When the led turns green , power off the phone. now.... with the phone fully powered off...
1. Unplug the charger.
2. Wait until led goes off.
3. Plug charger back in until the led turns green. When it turns green, unplug the charger again and go to step 1.
4. repeat steps 1 and 3, 10 times.
This may take anywhere from 30 seconds to 30 mins per cycle.
Typically only about 1 minute. though. DO NOT DRAIN THE BATTERY.
The goal is not to empty the battery and recharge like ni-cads (those have memory, these don't). These are lithiums, so we need to do the opposite...
result is Nice. I just noticed that when I unplugged my phone after a full 100% charge, it would drop to 90% just after browsing the web for 2 minutes. So I tried this method, turned my phone back on, unplugged and browsed the web for 2 minutes. Still at 100%.
Last but not least it is this
http://forum.xda-developers.com/showthread.php?t=701567&page=5
On Saturday night at around 11:30pm I just had my evo charged fully to a 100% and while researching this site I found out while on the dialing keypad if you type *#*#4636#*#* it gets you to the Testing menu. Then I selected "Phone Information" and scroll down to "Set preferred network type" and open that menu and found my setting to be at (CDMA auto (PRL) I then noticed thta there is an option for "CDMA Only" and decided to change my Evo to that setting and press home after which confirmed that it stayed at that setting. After that I went ot sleep and woke in the morning at around 6am because I had to pick someone at the airport and looked at the phone and to my surprise it was sitting at approximately 97% after 5 hours on standby. That was interesting The ping test works too
(one year later I saw an review during GPS optimiser, which stated that
*#*#1472365#*#* will help to configure Samsung II tab but it does not work on viewpad7)
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