How to fix common Zalo errors

Using free messaging apps like Viber, Line, and others might seem seamless, but errors can still occur. In this article, we list common Zalo errors and how to resolve them effectively.

1. Error 112 on Zalo

Error 112 typically arises when the Zalo app on your device is outdated or due to a conflict with the computer version. To fix this issue, uninstall the old version and install the latest Zalo app.

2. Error 502 on Zalo

This error stems from a mismatch in the device's date and time with Zalo's requirements. To resolve it, go to Settings > Time and enable Automatic time and Automatic time zone.

3. Error 506 on Zalo

Error 506 prevents messaging and calls due to network connectivity issues. Here's how to troubleshoot:

Step Action
1 Check your Internet connection (WiFi/3G/4G).
2 Free up memory on your device. You can refer to this guide for Android or this one for iPhone.

4. Error 704 on Zalo

Error 704 occurs when the device encounters Internet connectivity issues.

  • If using Wi-Fi: Check the stability of your connection.
  • If using 3G/4G: Ensure your data plan is sufficient.
  • Try changing DNS settings; refer to this guide for instructions.

5. Can't post photos or new status to Zalo

Posting difficulties can occur; here’s how to solve them:

  • Retry posting a few times, then wait and try again.
  • Log out, close the app, and restart it.

6. Not receiving notifications from Zalo

To enable notifications, go to the settings (cogwheel) > Messages and notifications, and toggle the settings accordingly.

Zalo Notification Settings

7. Error 2028 on Zalo

This error prevents login even with the correct password. For solutions, see this tutorial.

8. Zalo error 2017

The error "account not ready" typically occurs due to incorrect system time. You can find solutions in this article.

9. Zalo on iPhone can't access photo albums

Ensure Zalo has permission to access your Photo Album in Settings > Privacy > Photos.

Zalo iPhone Photo Settings

10. Zalo cannot "Search around here"

This feature allows users to find nearby friends. To fix issues, enable Location Services in Settings.

Zalo Location Services

11. Error 306, 600, 647...

The simplest solution for these errors is to uninstall the app and download the latest version from the official site.

12. Zalo error "Expired Certificate"

This occurs due to a significant time discrepancy on your device. Fix this by going to Settings > General > Date & Time and adjusting the time accordingly.

13. Error "Not QR code of Zalo"

This error generally happens while scanning codes. Try using a different QR code reader if needed. Free options include:

Zalo QR code issue

For all the errors mentioned above, if issues persist, consider using alternative communication apps such as Viber or Skype while you troubleshoot.

This article serves as a detailed guide on common Zalo errors and their resolutions. By following these suggestions, you can adeptly address any issues that may arise while using Zalo.

(33) Comments

  1. Mike -

    I never knew resetting the app could fix so many issues! Definitely worth a try before contacting support. Great job

  2. Trần Lê -

    If I had known about these solutions sooner, I wouldn’t have wasted so much time looking for help. Really useful stuff

  3. Phong Nguyễn -

    Anyone else having trouble with the friend request feature? It just won’t load for me

  4. Hương Đà Nẵng -

    Does anyone know how to recover lost chats on Zalo? I accidentally deleted an important conversation

  5. Chris P. -

    I can’t believe I was trying to troubleshoot without checking for updates first! This was a major oversight

  6. Thùy Linh -

    Wow, the tips on fixing the login problems are a lifesaver. I think many users will benefit from your advice.

  7. Phúc IT -

    For anyone still struggling, make sure your app is updated to the latest version. It fixed my issues right away

  8. Kathy -

    Is there a specific reason why Zalo keeps lagging? I’ve been experiencing this for a while now

  9. Mona S. -

    Great post! This kind of content is always needed since app problems are pretty common. Keep sharing

  10. Anna Smith -

    This is a game changer! I can finally use Zalo without interruptions. Thank you for the detailed explanation!

  11. Candy -

    Can’t thank you enough! I really thought I’d have to reinstall the app, but your guide saved me

  12. Hà Anh -

    These steps are super helpful! I was frustrated with the app, but now everything seems to be running smoothly!

  13. Hà Phương -

    Any advice on fixing the camera issues? My video call quality is really poor despite having a strong connection.

  14. Leo -

    Your article is really well-written. Can’t believe I finally found solutions that work! Cheers!

  15. Huyền Lizzie -

    I wish I had seen this sooner! My app was giving me issues during an important call. I will share this with my friends

  16. Mèo con -

    This is so useful! I was worried my Zalo was permanently broken. Thank you for the clear steps!

  17. Jessie L. -

    Great article! I wasn’t sure how to clear the cache, but now I’m all set. Thank you for sharing

  18. Công Nguyễn -

    What about fixing issues related to sending media files? I can’t seem to send pictures anymore.

  19. Linda -

    Nice guide! I’m glad I found a place to get solutions for my Zalo errors. Very practical

  20. Chị gái Nấm -

    Just wanted to say, your writing style makes troubleshooting feel so much easier! Keep it up

  21. Quang vn -

    Had the error 503, but followed your guide and it’s working fine now! Thanks a ton

  22. Duy Sinh 6789 -

    OMG! I fixed my audio issue by following your guide. I was about to give up on Zalo

  23. Emily Brown -

    Thank you for this helpful guide! I was struggling with Zalo's connection issues for days. Your solution worked perfectly

  24. Minh Khuê -

    Talking about updates, does Zalo notify users when a new version is available? Sometimes I miss it.

  25. Bob -

    Thanks for the tips! I can’t wait to try the cache clearing step. I’ve heard that it helps a lot!

  26. Thùy Linh -

    Can someone help me with the notification settings? I’ve tried everything mentioned but still don’t get alerts

  27. Thảo Vy -

    Has anyone else encountered problems with Zalo during video calls? Any tips on improving the connection?

  28. Vy IT -

    My Zalo was constantly crashing until I followed your advice. Huge relief to finally have it working again

  29. Sam T. -

    Loved the troubleshooting steps! I am sharing this with my family who also uses Zalo. Thanks

  30. Quỳnh Hoa -

    Every time I try to log in, I get an error message. Wish I could find a fix! Help anyone

  31. Tom -

    I laughed at the ‘reset it’ tip. It’s true how often that actually solves issues! Simple but effective

  32. Bảo Ngọc -

    Just wanted to drop by and say how much I appreciate this article! I learned a lot and managed to fix my app!

  33. Kevin -

    I appreciate your tips on common errors. It’s frustrating when the app crashes, but at least now I know what to do!

Leave a Comment

Set Up Nextcloud LDAP and Active Directory Login

Connect Nextcloud to LDAP or Active Directory, limit access with user and group filters, and verify secure authentication before rollout.

Require Two-Factor Authentication for Nextcloud Users

Enable a supported 2FA provider, prepare account recovery, then require two-factor authentication for everyone or selected Nextcloud groups.

Protect Collabora CODE Documents at Rest with Storage Encryption

Secure files edited in Collabora CODE by encrypting the storage layer, protecting temporary data, and verifying encryption and recovery.

Get Collabora CODE Running on ARM64 With the Correct Image

Get Collabora CODE Running on ARM64 With the Correct Image

Check your host architecture, confirm the CODE tag publishes ARM64, remove forced AMD64 settings, and separate image errors from permissions or memory issues.

Connect Collabora Online to ownCloud Infinite Scale

Set up the WOPI connection between Collabora Online and ownCloud Infinite Scale, configure the right service URLs, and verify document edits save.

Block File Exports in Collabora CODE Through WOPI

Prevent document exports in Collabora Online CODE by setting the WOPI DisableExport permission, then verify the host and editor enforce it.

Put Collabora Behind Nginx Without Breaking WebSockets

Put Collabora Behind Nginx Without Breaking WebSockets

Configure Nginx TLS termination, Collabora routes, and WebSocket headers, then test the public endpoints before opening real documents.

Stop CODE Editing Sessions from Ending at 10 Minutes

Trace a 10-minute CODE disconnect to its proxy, load balancer, or WebSocket path, then correct the timeout and verify the session stays connected.

Deploy Collabora CODE on Kubernetes with Helm

Install the official Collabora Helm chart, configure WOPI access and ingress affinity, and verify the deployment without common setup mistakes.

Trace a Blank Collabora Document to the Failing Layer

Trace a Blank Collabora Document to the Failing Layer

Use browser requests, WOPI logs, and targeted proxy checks to find why Collabora opens a blank document—and choose a fix that fits the evidence.