How do I change my blackberry from old Blackberry version to new?

Q. I have the Blackberry 8330 World Edition from Sprint that operates with the old blackberry software(the one with the road as the background). Is it possible that I can update the software to new software on the phones they sell now?

A. Well i got a BlackBerry Nextel 8350i with 128mb of RAM its super slow but blackberry dont care they put the 4.6 and 5.0 into the 8350i your phone haves 96mb of RAM and theres a geeky way to get Blackberry OS 5.0 but i dont really recommend it my phone (8350) its a hell it is always slow but if you want to just download the blackberry 5 os updater and delete the vendor archive if u want step by step guide just search it on youtube there one

What is a good Blackberry SDK for someone who is new to developing apps for blackberry?

Q. I have a Blackberry 8700g, and I want to develop apps for it. I have never made an app for a handheld, but I have made apps in Visual Basic, and games with Game Maker, and adobe Flash 2004.

A. Here you can find all that you need for your developing needs for the Blackberry.

http://na.blackberry.com/eng/developers/

How do I stop blackberry emails from showing in my sent mail on yahoo?

Q. I use a blackberry pearl and yahoo. Every time I send an email from my blackberry, a copy of it shows in my "sent" folder in Yahoo. I don't want any of the messages to save there. How do I get it to stop?
If I send mail through my regular account (on my laptop, not my blackberry) it doesn't save a copy in the sent folder. Only when I send it using the blackberry....

A. Go into your Yahoo account, go into options, then mail options and deselect the "Save a copy of the message in the Sent folder" box.

You can also send directly from your BlackBerry but have your Yahoo address as the return address. This can be set up in your BlackBerry email account options, either from the phone itself or by going to your account online.

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