Published by Syncthing Community on Feb 7, 2024

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Why should I report an Issue with Syncthing?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Syncthing Community to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
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About Syncthing

1. Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized.

2. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it's transmitted over the Internet.

Syncthing Customer Insights

1. Make sure File Versioning is set to "trash can" on your PC otherwise your files will be deleted on the PC if you delete it on your phone.Hmmm. Local sync was quite smooth and very very fast, encrypted sync worked with the web GUI but is pretty strange and mistake-prone and caused crashes for a few minutes until it didn't, and while my devices could pull metadata like name from relays, they couldn't actually sync anything at all for some reason.

2. Seems like some of the fundamentals are in place, and I'm thrilled to see untrusted storage, but there's a lot not yet done to make it usable.Very fast when syncing 1 file change in a folder with 2000 files.

3. No silly process to get your own data back.The current version is locked at 99% complete with 4 files different from my desktop, but it won't upload or download them or show why it can't so I get 100% battery draining CPU usage constantly.

4. If this was clear, or if I could remove that permission, easily 5 stars.Works perfectly to completely back up my entire galaxy s20 Plus onto an external hard drive in my computer and it sinks instantly without draining the battery even though it's running, scanning and syncing 24/7.

5. Pros: Free and Open Source decentralized file syncing, robust platform support, functional UI, respect for privacy, good feature set, and it usually works.

6. Despite the slow download speed logged on the e-ink table, a single file change gets synced within 10 seconds or so.

7. Cons: It's difficult to get set up, the phone app can burn through a lot of battery life, and it can have a delete scare or two with treating a half-synced version as the master copy.

8. For the poor e-ink tablet, it has logged some 30 minutes wait time for syncing a single file-change.

9. I can download something on my phone, desktop, or tablet and it appears on the others, and when I delete it on one it is removed from the others.A bit difficult to set up but worth it.

10. It does occasionally crash and every few months or so there'll be some kind of syncing problem where I may have to clear the app data and reinstall the app in order to get it to work correctly again.

11. You can directly put a file in your phone and then later get it automatically synced into your cloud drive via computer.

Steps to Troubleshoot & Fix Syncthing Issues

1. Fix Syncthing Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Syncthing: Restarting the app will resolve most errors.
  2. Update the Syncthing App. Here is how:
    1. On Android goto PlayStore » Search for "Syncthing" » Open Syncthing » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Syncthing » click "UPDATE".
  3. Clear Syncthing app cache: Clearing cached data will force your app to retrieve the latest data directly from Syncthing servers.
    1. On Android, goto Settings » Apps » Select "Syncthing" » click Storage » click "Clear Cache".
  4. Check Syncthing app permissions. If any of these permissions required to use your device's features are disenabled, Syncthing might not work.
  5. Uninstall and reinstall Syncthing. If nothing else has worked, completely uninstall Syncthing then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Syncthing not working


2. Fix Syncthing Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Syncthing be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Syncthing not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Syncthing may not be able to connect to the Internet when running in the background.

Reported Issues

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