Yes, you can do a full reset. The new firmware won't be wiped, it's on a protected part of the DSi's memory that won't be removed if the console is reset.
Updating android software version 4
yes just push the format botton on the dsi settings
No, updating the iPod Touch software does not clear it. Every bit of information stays on there.
It depends. If the software you we're updating is from a trusted site. Then it is safe to update your software/computer.
Yes. Updating iTunes is absolutely free. As a matter of fact, so is updating your iDevice software, and Safari!
There are many benefits to updating your system with autodialer software. Most important, it will allow for quicker and cheaper marketing.
Yes, since the DSi and DSi XL are the same, software-wise.
Yes you can!
A Nintendo DSi can be reset in a few ways. One way it to remove the battery from the back, another way is to go into the 'settings' and restore the factory settings.
a dsi is the game system and dsiware is like software and games for the dsi. you have to buy dsi points cards to get dsiware.
Updating any piece of technology... is intended to utilise improvements to software or hardware.
DSiWare is the name for downloadable software made exclusively for the Nintendo DSi system. It can be downloaded with DSi Points on the DSi Shop.