Update - Nokia 800 Tough Software

If OTA fails, you can use the (NCS) or OST LA (Online Service Tool) on a Windows PC. Warning: This wipes all data.

Step 5: Download and InstallIf an update is found, select "Download." Once the download is complete, the phone will prompt you to install and restart. Do not turn off the device during this process. Troubleshooting Common Update Issues nokia 800 tough software update

How are software updates delivered to Nokia and HMD smartphones? If OTA fails, you can use the (NCS)