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Zandi_M
Posts: 1
Registered: ‎03-13-2013
My Device: Bold 9790
My Carrier: Vodacom

Short battery life on my 9790

Is there a way to prolong the battery life on my BB 9790! The battery doesn't last even 3 hours and I'm not always on the phone. The phone is hardly 5 days old but it is always on the charger. Just sending one message makes a huge difference on the battery. My old BB 8310 goes on for up to 4 days without being charged, but this...No!

 

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Hall of Famer II
sdgardne
Posts: 48,081
Registered: ‎11-28-2008
My Device: Z30, Z10 & Q10 (10.2.2.1531), Playbook (2.1.0.1526)
My Carrier: TMobile USA

Re: Short battery life on my 9790

[ Edited ]

Hi and Welcome to the Community!

 

Here are some guidelines to use:

  • KB02843What is the Low Memory Manager feature on the BlackBerry smartphone
  • KB14320How to maximize free space and battery power on the BlackBerry smartphone
  • KB14213Call logs, SMS text messages, and email messages are deleted from the BlackBerry smartphone

It is also always important to properly close applications when you are done with them. Using the Back or the Red key will not do this -- those leave it to the app to decide what to do...and some will leave themselves resident in memory, consuming resources on your BB, slowing the overall performance. Rather, to close an app, press blackberry_logo.jpg and select "Close" or "Exit"...that will force the application to be closed, freeing up for your new use the resources it was consuming. Some apps will always remain running (typically -- BBMessenger, Browser, Homescreen, Phone, and Messages)...but, you should still close them properly - especially the Browser...if it is left on an active web page, it will not only consume extra resources but battery power as well.


Further, anytime random strange behavior or sluggishness creeps in, the first thing to do is a battery pop reboot. With power ON, remove the back cover and pull out the battery. Wait about a minute then replace the battery and cover. Power up and wait patiently through the long reboot -- ~5 minutes. See if things have returned to good operation. Like all computing devices, BB's suffer from memory leaks and such...with a hard reboot being the best cure. Some have taken to doing this on a regular basis as a preventive measure...some as frequently as once per day. Others have obtained the QuickPull app to automate a simulated Batt-Pull.

 


You also might want to try running in Safe Mode for a while:

  • KB17877 How to start a BlackBerry smartphone in Safe Mode

It may take you multiple attempts to get the ESC key sequence (press/release/hold) correct, so be patient. When successfully into Safe Mode, see what happens.

 

If the behavior ceases, then think carefully...what happened just before this behavior started? A new app? An update? A Theme? Something else? Think carefully as the smallest change could be causal...and attempt to undo whatever that was.


 

But if the behavior continues, then it's also possible that your battery or BB has experienced a problem...to test, this sequence is needed:

  1. Obtain a known good and already fully charged additional battery...use it in your BB and see what happens
  2. Obtain access to a known good and identical BB...use your battery in it and see what happens

The results of this will indicate if it's your BB or your battery that has the problem.



There also might be an updated code set from the carrier -- check them via this portal:

 

Good luck and let us know!


Occam's Razor nearly always applies when troubleshooting technology issues!
If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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