I have a new Android phone (Samsung Galaxy S4) which is already prompting me to approve a firmware update. According to articles that I've read, Android 4.3 should become available for it in October or soon thereafter. Should I proceed with the current update first, or will it be possible/preferable to move straight to 4.3 after it's released? How reliable is the update process for these devices? I'm trying to weigh risks/benefits and to avoid getting a brick. Incidentally, under "about device -> status", it shows "Secure boot status: Samsung", which I would take to mean that it's verifying signatures against a Samsung public key. Web searches suggest that this may not be the case however, as people with phones in that state have reported installing unofficial firmware. I suppose I'll find out if I decide to install non-default firmware at some point. Interestingly, the software for doing so is local in origin: http://www.glassechidna.com.au/products/heimdall/