How to speed up a slow phone (Windows phone)

If you have a Microsoft device (Lumia) and you experience issues you can't resolve by yourself, contact their techical-support team, which will help you resolve it as soon as possible.

Contact them on: +1 800-642-7676, or check out their support page.

Note: If you live in a country other than the USA, contact Microsoft's authorised store in your country.

Maybe the temp files and the cache are slowing down your mobile device. Temp files are created on a daily basis and a few of them don't pose a threat. But, too much temp files can definitely slow it down.

To learn how to clear the cache and delete temp files, check out the don't know how to clear my cache solutions.

Multi-tasking does make it easy to switch between different tools, but as a result, the device's performance is decreased, due to lack of free RAM. To fix this (and to free up RAM), consider closing all the applications you don't use.

To learn how to close unnecessary applications and improve the device's performance, check out the don't know how to close (quit) programs/applications solutions.

Every application installed in your mobile device runs in the background and slows it down, no matter whether you use the application or not. The best way to prevent applications from slowing down your mobile device is to delete them permanently.

To learn how to remove applications, check out the don't know how to uninstall an application solutions.

Restarting your device ends all the processes that might have become unresponsive and slowed down your device. Sometimes it is the right thing you need to do in order to fix your device.

To learn how to restart your mobile device, check out the don't know how to restart my device solutions.

The operating system requires a certain amount of free space (at least 1 GB) in order to function properly. If it lacks free space, the device becomes slow. A large number of personal data files such as photos, videos, music, applications, etc. can significantly slow down your mobile device.

To learn how to free up disk space and speed up your device, check out the running out of disk space / no space left solutions.

Maybe an outdated application slows down your mobile device. To prevent this in future, check for updates and update your device's applications frequently.

To learn how to check for and install updates, check out the don't know how to update programs/applications solutions.

System updates can improve the performance of your mobile device. That is why it is very important to check for updates frequently. Usually, your mobile device checks for updates automatically; however, it would be better for you to check for updates manually.

To learn how to update your device's operating system, check out the don't know how to update my operating system solutions.

The GPS feature can also slow down your device because it performs constant scans to update your location. If you don't need it, you can disable it to improve the performance (and the battery life) of your mobile device.

To learn how to disable the GPS feature check out the don't know how to disable the GPS guide.

Processes that run in the background (such as Facebook, Messenger, Viber etc.) can slow down your mobile device. If you don't need the background processes, you can stop ("kill") them.

To "kill" automatic background processes:

From the apps list (swipe to the left) go to Settings -> Applications -> Background tasks -> Select the application you wish to close -> tap on the Turn Off button