General Questions
Is this legal?
Is this legal?
Yes. You own your thermostat and have the right to modify its software under right-to-repair principles.
Will this void my warranty?
Will this void my warranty?
Possibly. Flashing custom firmware may void Google/Nest’s warranty.However, if your device is out of warranty or Google has discontinued support, this doesn’t matter.
Can I go back to Google's servers?
Can I go back to Google's servers?
Yes. You can reflash the original Nest firmware to restore factory functionality.Note: We don’t provide Google’s firmware. You’d need to obtain it separately or contact Nest support.
Does this work with Nest Gen 1 or Gen 3?
Does this work with Nest Gen 1 or Gen 3?
Not yet. Currently only Generation 2 is supported.Gen 1 and Gen 3 support is under development. Join our Discord for updates.
Is my data safe?
Is my data safe?
Yes. All communication uses SSL/TLS encryption.For the hosted service, we don’t sell or share your data.For complete data ownership, consider self-hosting.
Technical Questions
What if No Longer Evil shuts down?
What if No Longer Evil shuts down?
Hosted service users: Your thermostat will lose remote access but continue working locally.Self-hosted users: No impact - you’re completely independent.We’re committed to open-sourcing everything so the community can continue the project indefinitely.
Can I use this without internet?
Can I use this without internet?
With self-hosting: Yes! Run the API server on your local network and your thermostat works without internet.With hosted service: No. The thermostat needs internet to reach No Longer Evil servers.
What happens during flashing if something goes wrong?
What happens during flashing if something goes wrong?
Worst case: Device might be bricked (unresponsive).Recovery options:
- Try reflashing (often works)
- Contact community for help
Troubleshooting FAQs
My thermostat shows offline in the dashboard
My thermostat shows offline in the dashboard
Check:
- Device is connected to WiFi (Settings → Network)
- Internet connection is working
- Firewall isn’t blocking port 443
- Try different network (phone hotspot) to isolate issue
Entry code doesn't work
Entry code doesn't work
Common causes:
- Code expired (>1 hour old) - generate new one
- Typo (check 0/O, 1/I/L confusion)
- Code already used - generate new one
- Device not online - check WiFi
Can't enter DFU mode
Can't enter DFU mode
Try:
- Charge battery to >50%
- Use different USB cable (data-capable, not charge-only)
- Hold display for full 15 seconds
- Start installer BEFORE rebooting device