Filed Under (LG Android Phones, LG Optimus Series, LG Phone Problem and Solution) by lg-phones on 24-04-2011

I bought a LG Optimus V a week ago at my local Virgin Mobile. I charged it overnight last night and normal operation, phone, texting, browsing the features on the phone, but can barely get 8 hours out of my LG Optimus V. I’ve tried the trick many times where I let it drain completely, charge completely, repeat, and this still happens daily. This is an extremely frustrating problem seeing as I would like to be able to use my phone for more than one day at a time. LG Android Phones

Finally, I have found the cause of the problem. It appears that the LG Optimus V suffers from the same GSM/CDMA auto prl cell standby bug that affects the Evo’s battery life.

To check if this bug is affecting your LG Optimus V, go to AboutPhone -> BatteryUse -> CellStandby and check to if there is an entry for "Time without a signal". If your phone has a solid signal to Virgin Mobile at all times, it will read 50 percent. LG Phone Problem and Solution

To "Fix" – Note the original poster says this change will reset if you reboot the phone and need to be redone: LG-Optimus info

  1. Dial *#*#4636#*#* which will go to the phone’s "Testing" menu.
  2. Click "Phone Information", then Menu, then click "Select radio band".
  3. Click "Force Close" and return back to "Phone Information"
  4. Scroll down to "Set preferred network type:"
  5. Click the "Set preferred network type:" button and select "CDMA only".
  6. Click the "Set preferred network type:" button again and reselect "CDMA auto (PRL)".

To verify that this fixes the issue, charge your phone to reset the battery statistics. Unplug the charger and check back in an hour or so. It should no longer say time without a signal (assuming you are in an area with a strong signal strength). This should cut the cell standby battery usage in half.

The fix is not permanent. If you reboot the LG Optimus V, you will have to make the changes in the testing screen again.

LG Optimus V Phone Photos LG Cell Phone Pictures



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David on 29 May, 2011 at 1:21 pm #

Seems my LG Optimus V also has the “GSM/CDMA auto prl cell standby bug”. But the fix says “the original poster says this change will reset if you reboot the phone” This may sound dumb, but does reboot mean turn-off the phone? Or is does reboot mean something else?

Josh on 25 July, 2011 at 2:57 pm #

David, I believe “reboot” means turning on the phone after a full power-off, not just after shutting the phone down where you can still get incoming calls.

WeAreNotAlone on 24 September, 2011 at 9:49 pm #

You can do the same thing by toogling ON Airplace mode for 10 seconds, then toggling it off.

For quick access- Press power button and hold- Select Airplane mode…. to turn radios back on repeat- toggling OFF Airplane mode.

Nicole on 29 March, 2012 at 5:10 pm #

Thank you so much!
Mine was on 99% and it would die before I got home everyday. Now it’s down to 41% so it should be a lot better. Cannot thank you enough for putting this up.

Nowell on 11 August, 2012 at 1:57 pm #

really worked well for me

Dolly on 18 April, 2014 at 9:15 am #

I was just watching this on PBS this week. They
discussed the same things you wrote about.

Here is my website :: Sites Like Project Free TV [Dolly]

Karen on 5 August, 2014 at 9:41 am #

so you would have to do this everyday?

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