Lo. If this helps, I bought Lumia 710 3 months ago, & so far there has been no updates for it, last checked 03/06/12.
The best way is to download Zune software onto your computer, with the phone connected with USB cable you can click on phone then fnd update in the left hand column. I have to warn Zune is a bit odd to say the least, its very dark & not too easy to fathom how to use, might be better if your 12 years old!!!!.
Re battery, turn off location & bluetooth if not using, also set screen timeout to 30 seconds. Mine lasts about 3 days that way but of course less when I use items on the phone. Hope this is usefull. NBH.



