Do not attempt this unless your phone is completely dead. Use the free tool "Phoenix Service Software" or "Infinity Box."
| Issue | Detail | |-------|--------| | | Likely no longer available | | No manual download | No firmware files publicly provided by HMD | | Brick risk | Interrupted update on low battery can render phone unusable | | No rollback | Cannot revert to older firmware | | Security | No patches for SIM card vulnerabilities or Bluetooth (if present on 3G model) | nokia 3310 software update
The 2017 model did not have Wi-Fi. Updates often required a PC. Do not attempt this unless your phone is completely dead