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What is wi fi whats does it do - RIM BlackBerry Curve 8520 Smartphone

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Hi,

Wi-Fi stands for wireless fidelity. The term Wi-Fi, which is alternatively pushed by the Wi-Fi Alliance, a trade group that pioneered commercialization of the technology. Wi-Fi is mostly about connecting to the Internet without physically attaching your computer to anything. Mostly it's about using laptop computers.


A Wi-Fi enabled device such as a personal computer, video game console, mobile phone, MP3 player or personal digital assistant can connect to the Internet when within range of a wireless network connected to the Internet. The coverage of one or more (interconnected) access points — called a hotspot — can comprise an area as small as a few rooms or as large as many square miles. Coverage in the larger area may depend on a group of access points with overlapping coverage. Wi-Fi technology has been used in wireless mesh networks, for example, in London.

In addition to private use in homes and offices, Wi-Fi can provide public access at Wi-Fi hotspots provided either free-of-charge or to subscribers to various commercial services. Organizations and businesses - such as those running airports, hotels and restaurants - often provide free-use hotspots to attract or assist clients. Enthusiasts or authorities who wish to provide services or even to promote business in selected areas sometimes provide free Wi-Fi access.
Routers that incorporate a digital subscriber line modem or a cable modem and a Wi-Fi access point, often set up in homes and other premises, can provide Internet-access and internetworking to all devices connected (wirelessly or by cable) to them. One can also connect Wi-Fi devices in ad-hoc mode for client-to-client connections without a router. Wi-Fi also enables places that would traditionally not have network access to connect, for example bathrooms, kitchens and garden sheds.

Good luck and have a nice day.
rating the solution is highly appreciated.

Posted on Jul 29, 2010

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Posted on Jan 02, 2017

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Wi-Fi Functionality
  1. Connects over the last Wi-Fi network you used that's available.
  2. If no Wi-Fi networks you've used are available, iPod touch will scan for Wi-Fi networks and show a list of Wi-Fi networks in range. Tap a network and, if necessary, enter the password to join. Networks that require a password show a lock icon (307189_1.jpg) next to them.
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When iPod touch is connected to a Wi-Fi network, the Wi-Fi icon (307189_2.jpg) in the status bar at the top of the screen shows connection strength. The more bars you see, the stronger the connection.
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  4. Make iPod touch forget a network, so that the device doesn't join it automatically. Choose Wi-Fi and tap the arrow (307189_3.jpg) next to a network you've joined before. Then tap "Forget this Network."
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I purchased a new IPOD and I can not access the wifi from my Linksys wireless router.. I reset my Linksys router to try to solve this problem. And at first when the light was amber I was able to have...


Resolution If you know there is a nearby Wi-Fi network, but you are unable to locate it on the Settings > Wi-Fi screen:
  • Move closer to the Wi-Fi router or hotspot.
  • If you are using a personal Wi-Fi network, verify the Wi-Fi router is connected to power and turned on.
  • Wi-Fi networks configured as "closed" or "private" do not broadcast the network name to Wi-Fi devices.
    • Join a "closed" or "private" network by tapping Settings > Wi-Fi > Other and entering the Wi-Fi network name, security, and password.
After joining a Wi-Fi network, if you notice the signal strength is low or intermittent
  • Move closer to the Wi-Fi router or hotspot.
  • Check for any sources of potential interference.
  • Remove any cases or attachments on your device that could interfere with a Wi-Fi signal.
If you are unable to access the Internet while connected
  • If you are using a commercial Wi-Fi network that requires a special login or subscription, see this article for more information.
  • If you are in a location with multiple Wi-Fi networks, verify that you are selecting the correct network.
  • Verify that the Wi-Fi network settings are correct:
    • Tap Settings > Wi-Fi.
    • Locate the Wi-Fi network you are currently using and tap ts1398_2.jpg
      blank.gif
  • You can configure network-specific settings, including IP address, DNS, and Search Domain settings.
  • Use "Forget this Network" to reset settings for this particular Wi-Fi network, including the password. This is also useful if you identify a network issue and want to prevent the device from automatically using this network in the future.
  • Use "Renew Lease" to acquire new IP address, DNS, and Search Domain information from the Wi-Fi network.
  • Note: If the Wi-Fi network uses MAC address filtering, you will need to add the MAC address to the access list for the Wi-Fi router. The MAC address for your device is listed as the Wi-Fi Address in Settings > General > About.
If you are still unable to join a Wi-Fi network, or are unable to access the Internet while connected, try the following
  • Restart the device
    • Hold the power button until "slide to power off" appears. Slide to power off your device. When it is off, press the power button to turn it back on.
  • Reset network settings by selecting Settings > General > Reset > Reset Network Settings. Note: This will reset all network settings, including passwords, VPN, and APN settings.
  • iPhone only: If you continue to experience issues, consider turning off Wi-Fi and using the cellular data connection instead of Wi-Fi.
Additional Information If using a Wi-Fi router at home, refer to your user manual/documentation to assist you with some of these suggestions.
  • Check the manufacturer's website for your Wi-Fi router for firmware or software updates.
  • Verify the Wi-Fi router can broadcast an 802.11b/g signal. If using a 802.11n Wi-Fi router, consult the manual/documentation for how to configure the Wi-Fi router for 802.11b/g compatibility.
  • If you are using multiple WEP keys on your Wi-Fi router, try configuring your Wi-Fi router to use only a single WEP key.
  • Try or resetting (or turning off and then on again) your Wi-Fi router. Note: If your ISP also provides cable or phone service, check with them before attempting this step to avoid interruption of service.
  • Disable wireless encryption or security on the Wi-Fi router to rule out encryption issues. If this resolves the issue, try using a different encryption or security protocol.

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