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How to Flush the DNS in an Android Phone

Updated on June 1, 2013
Source
If you change ISP or you want to use a public DNS service, you will have to flush the DNS in the Android phone.
If you change ISP or you want to use a public DNS service, you will have to flush the DNS in the Android phone. | Source

Any single device that connects to the internet maintains a record of all the domains and IP addresses that it points to. It doesn’t matter if you are using a computer, an android smartphone or tablet. All these devices will build and maintain a DNS cache which is the record of the IP addresses and the domains. The Domain Name System (DNS) works by translating the alphabetical website address into the numeric Internet Protocol (IP) address associated with the website.

The DNS cache is used by the browser on your android phone every time you request a website. The browser will check against the cache to check if such a request has been made in the past. The browser uses an IP address in the cache rather than request a new IP address when launching the website. In so doing, web browsing sessions are faster.

There are occasions when you may want to request a completely new IP address for websites you intend to visit. The Internet Service Providers (ISPs) usually have their own DNS services and this means that if you change ISP or you want to use a public DNS service, you will have to flush the DNS in the Android phone. It is also the case when you have cleared all cookies or you have tampered with the DNS settings.

Find and Flush the DNS in an Android Phone

Flush the DNS in an Android Phone

There are a number of ways on how to flush the DNS in an android phone. Let’s have a look at three ways in which you can flush the DNS in an android phone.

  • The first method to use to flush the DNS in an android phone is through a soft reset. It might not fully guarantee that the DNS cache will be totally cleared. The procedure to use may differ from a phone manufacturer to another. Start by holding down the ‘Shift’ key, the ‘Alt’ key and the ‘Delete’ keys down at the same time. Alternatively, press down the ‘Power’ button for about two seconds and select Reset from the menu that appears. You will have flushed the DNS cache on the android phone.

  • The second method on how to flush the DNS in an android phone is via the hard reboot. Remove the phone’s battery and wait for about 30 seconds before replacing it and rebooting the android phone. After restart, the android phone will have a flushed DNS.

  • The final method used to flush the DNS in an android phone is through clearing the browser cache. A good number of browsers have the capacity to clear the cache in their settings. Find that and flush the DNS cache.

Conclusion

Any of the above described methods will help you to flush the DNS in an android phone. Simply find out which one works out well for you and your android smartphone.

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