If you have to remove your battery and sim card for some reasons, when you put your phone back together, your LG Renoir will ask you for your security code and then pin number, if you make a mistake, you will be asked for a PUK code. The PUK code is for unlocking your SIM only, If you are wrong the few times it allows, your phone will (allegedly) be locked forever. LG-Renoir info
LG Renoir phone photos – LG Cell phone pictures

It seems that the LG enV3 users now can update their phone to the latest firmware directly from LG website. http://mobilephones.us.lge.com/softwaredownload.aspx
LG provides 7 Models: LG Cell phone Software

If you are the LG enV Touch owners, congratulations, now you can update your phone to the latest firmware directly from LG site. http://mobilephones.us.lge.com/softwaredownload.aspx
Most LG Phone Models Supported: LG-enV touch info
