Nokia lumia 510 is windows phone of nokia company. It is simple way to update or flash nokia lumia 510. We shared the latest flash files of this mobile which are tested and good working firmware. If you have nokia lumia 510 and you can't flash it don't worry now you can flash this mobile by flashing software phoenix service. If your mobile working but opening apps so slow at this stage you don't need to flash it you will need to update just old software.
If you want to complete flashing please don't forget to take backup of your important data like imges,messages,contacts and all of those data which stores in your phone. After flashing you will lost your all of data and your mobile will restored in its original settings. If you will update just old software your data will not be lost but your mobile firmware will be updated.
You can download latest flash files from below links.