Published by OWON

Report an issue with OWON Multimeter BLE4.0.
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Why should I report an Issue with OWON Multimeter BLE4.0?

  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 OWON 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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OWON Multimeter BLE4.0 Customer Insights

1. Please acknowledge the bug and update the App and this could be a 5 star rating, until then it has to be 1 star as it's of no use to me.Two stars because: It will connect to meter ONLY IF you give the app permission to access your location!!! OWON, Why do you need to know my location?!?! And why does denying location access break your app? Knock it off, and remove that requirement.

2. Lay off the drugs and update the app.great app but google mucks it up by requiring location to be enabled before it will connect, took a long time to find out why it had stopped working.Suddenly this app wants a whole bunch of unnecessary permissions, which it was working fine without so far.

3. I noticed that this app had been upgraded to 1.6.7.0 in May 2022 (it has been over a year since the last upgrade) although the previous file save problems have been fixed a new one has been introduced..... while in graph mode it is not possible to set the record interval to anything other than the default 0.5 seconds, you can change it in settings but it does not take and reverts back to the default.

4. Still works great for data logging without the update and wholly unnecessary permissions.As others have said, the app is currently broken for offline recording at Android 10 or 11 - with a 'file lost!' error every time.

5. I wish this was more clearly stated when trying to pair first time.Some people criticising the developers don't understand Android security model - Bluetooth can be used to track locations so that permission is required by android security to use bluetooth features (like scan).

6. So still stays at 1 star !"bug fixing" Sept 18 update is now requesting a bunch of new permissions, including device & app history, identity, and location? How about no.

7. Using meter manually until app developer gets their head out of their nether regions about user privacy.Looks a lot more like a Chinese spy app and a lot less like a DMM app with all the ridiculous permissions you want.

8. You'll keep getting bad reviews because of that problem.Didn't realize BT-LE requires location for the device to become discoverable.

9. You need to grant the app permission to discover the meter.

10. Nothing to do with the devs.Really wanted to use this with my brand new B35T+ but I'm not installing it with that list of permission requests.

11. To update since my last review.

Steps to Troubleshoot & Fix OWON Multimeter BLE4.0 Issues

1. Fix OWON Multimeter BLE4.0 Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart OWON Multimeter BLE4.0: Restarting the app will resolve most errors.
  2. Update the OWON Multimeter BLE4.0 App. Here is how:
    1. On Android goto PlayStore » Search for "OWON Multimeter BLE4.0" » Open OWON Multimeter BLE4.0 » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for OWON Multimeter BLE4.0 » click "UPDATE".
  3. Clear OWON Multimeter BLE4.0 app cache: Clearing cached data will force your app to retrieve the latest data directly from OWON Multimeter BLE4.0 servers.
    1. On Android, goto Settings » Apps » Select "OWON Multimeter BLE4.0" » click Storage » click "Clear Cache".
  4. Check OWON Multimeter BLE4.0 app permissions. If any of these permissions required to use your device's features are disenabled, OWON Multimeter BLE4.0 might not work.
  5. Uninstall and reinstall OWON Multimeter BLE4.0. If nothing else has worked, completely uninstall OWON Multimeter BLE4.0 then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing OWON Multimeter BLE4.0 not working


2. Fix OWON Multimeter BLE4.0 Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make OWON Multimeter BLE4.0 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 OWON Multimeter BLE4.0 not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, OWON Multimeter BLE4.0 may not be able to connect to the Internet when running in the background.

Reported Issues