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Error 112 typically arises when the Zalo app on your device is outdated or due to a conflict with the computer version.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:
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.

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 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 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 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.
Mike -
I never knew resetting the app could fix so many issues! Definitely worth a try before contacting support. Great job
Trần Lê -
If I had known about these solutions sooner, I wouldn’t have wasted so much time looking for help. Really useful stuff
Phong Nguyễn -
Anyone else having trouble with the friend request feature? It just won’t load for me
Hương Đà Nẵng -
Does anyone know how to recover lost chats on Zalo? I accidentally deleted an important conversation
Chris P. -
I can’t believe I was trying to troubleshoot without checking for updates first! This was a major oversight
Thùy Linh -
Wow, the tips on fixing the login problems are a lifesaver. I think many users will benefit from your advice.
Phúc IT -
For anyone still struggling, make sure your app is updated to the latest version. It fixed my issues right away
Kathy -
Is there a specific reason why Zalo keeps lagging? I’ve been experiencing this for a while now
Mona S. -
Great post! This kind of content is always needed since app problems are pretty common. Keep sharing
Anna Smith -
This is a game changer! I can finally use Zalo without interruptions. Thank you for the detailed explanation!
Candy -
Can’t thank you enough! I really thought I’d have to reinstall the app, but your guide saved me
Hà Anh -
These steps are super helpful! I was frustrated with the app, but now everything seems to be running smoothly!
Hà Phương -
Any advice on fixing the camera issues? My video call quality is really poor despite having a strong connection.
Leo -
Your article is really well-written. Can’t believe I finally found solutions that work! Cheers!
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
Mèo con -
This is so useful! I was worried my Zalo was permanently broken. Thank you for the clear steps!
Jessie L. -
Great article! I wasn’t sure how to clear the cache, but now I’m all set. Thank you for sharing
Công Nguyễn -
What about fixing issues related to sending media files? I can’t seem to send pictures anymore.
Linda -
Nice guide! I’m glad I found a place to get solutions for my Zalo errors. Very practical
Chị gái Nấm -
Just wanted to say, your writing style makes troubleshooting feel so much easier! Keep it up
Quang vn -
Had the error 503, but followed your guide and it’s working fine now! Thanks a ton
Duy Sinh 6789 -
OMG! I fixed my audio issue by following your guide. I was about to give up on Zalo
Emily Brown -
Thank you for this helpful guide! I was struggling with Zalo's connection issues for days. Your solution worked perfectly
Minh Khuê -
Talking about updates, does Zalo notify users when a new version is available? Sometimes I miss it.
Bob -
Thanks for the tips! I can’t wait to try the cache clearing step. I’ve heard that it helps a lot!
Thùy Linh -
Can someone help me with the notification settings? I’ve tried everything mentioned but still don’t get alerts
Thảo Vy -
Has anyone else encountered problems with Zalo during video calls? Any tips on improving the connection?
Vy IT -
My Zalo was constantly crashing until I followed your advice. Huge relief to finally have it working again
Sam T. -
Loved the troubleshooting steps! I am sharing this with my family who also uses Zalo. Thanks
Quỳnh Hoa -
Every time I try to log in, I get an error message. Wish I could find a fix! Help anyone
Tom -
I laughed at the ‘reset it’ tip. It’s true how often that actually solves issues! Simple but effective
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!
Kevin -
I appreciate your tips on common errors. It’s frustrating when the app crashes, but at least now I know what to do!