Resetting your iPhone, Android or Blackberry phone to Factory Default.

To reset your phone to factory default settings.

iPhone: 

Settings -> General category -> Reset

Android:

Menu -> Settings -> Privacy -> Factory data reset

Blackberry:

Options -> Security Options -> General Settings -> Menu -> Wipe Handheld

Open Source Wi-Fi Scanning software

Came across this very cool open source wi-fi scanning software called inSSIDer

You can

– Inspect your Wi-Fi and surrounding networks
– Scan and filter hundreds of nearby access points
– Troubleshoot competing access points and clogged Wi-Fi channels
– Highlight access points for areas with high Wi-Fi concentration
– Track the strength of received signals in dBm over time
– Sort results by MAC Address, SSID, Channel, RSSI, Time Last Seen
– Export Wi-Fi and GPS data to a KML file in Google Earth

FEATURES

WLAN 802.11 frequency modulation and speed quick reference.

802.11   –> 1-2 Mbps –> 2.4 GHz

802.11a –> 11Mbps to 54Mbps  –> 5.8GHz

802.11b –> 11Mbps –> 2.4 GHz

802.11g –> 54Mbps –> 2.4GHz

802.11n –> 2.4GHz or 5.4 GHz –> 540Mbps

Tips to secure your iPhone.

iPhone users generally have all kinds of personal data on their phone such as pictures, video, notes etc along with address book.

Losing such valuable information is a big risk, following are couple of essential tips for iPhone security.

1. Lock your phone with password.

Most phones will have this auto-lock feature, some also have it on by default. Basically after few minutes the phone will automatically lock and you need to click certain keys to unlock it, auto-lock along when combined with a password is the basic step to protect your iPhone. To turn on Passcode lock