[FiiO UTWS3] True Wireless Bluetooth Module/MMCX/0.78 2pin/QCC3020/TPA6140A2/ Bluetooth 5.0
Jul 14, 2022 at 11:09 PM Post #858 of 905
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Oct 18, 2022 at 9:47 AM Post #859 of 905
Hello friends,
Sorry for late reply.

Because the Chinese New Year will come 2 days later, during which we will have 8 days off. Our work may not be normal during this period.
But I will try to find time to respond to your questions

After our tests, usually only one of the UTWS3 ear hooks does not connect, or there is no sound, usually for 2 reasons.
1. The two earpieces have been upgraded with different firmware
If you have upgraded the firmware yourself and the problem occurs after the firmware has been upgraded, then this is most likely the cause
Please make sure that the firmware is upgraded one by one, the UTWS3 cannot be upgraded with 2 earpieces at the same time, please note that it is best to keep the other earpiece turned off when upgrading.We have set up a reminder and forced settings in the FiiO Control APP, so you can download the APP and try upgrading to the latest version from this link: http://fiio-firmware.fiio.net/fiiocontrol/FiiOControl_2.4.apk
we will push it to everyone via mobile phone later, but there is still some work to be done recently due to the holiday.
Sometimes the firmware version shown on the UTWS3 is the same, but not necessarily the full firmware, so if this is the case it is best to upgrade again. Sorry about this.
2. The state of the two earpieces is different.
If you have no problem upgrading the firmware, it is possible that the two earpieces are in different states, as the TWS mode limits the connection between the primary and secondary earpieces to different states.
The principle is that you have to have the same state in both the primary and secondary ear before you can connect to the phone, but if the states are different, you won't be able to connect.
The easiest way to do this is to put both earpieces in the charging case at the same time and press and hold 12s to reset.

I am very sorry for the inconvenience.
Hi Wilson,
something very strange happened to me.

I got the same problem of our friend: after the first time I tried my set up (shure se215 + utws3) one channel was working properly but the other one at a lower volume - quite silent - and distorted.
The firmware is the most recent.
I tried with the cable and the iems are working properly.
Made many tests, disconnected and reconnected for many times.
In the end I made a last test: I switched the right iem on the left utws3 and vice versa..... the are working perfect. Unfortunately not so confortable to wear.
What can I do?

Thanks in advance
 
Oct 18, 2022 at 11:14 PM Post #860 of 905
Hi Wilson,
something very strange happened to me.

I got the same problem of our friend: after the first time I tried my set up (shure se215 + utws3) one channel was working properly but the other one at a lower volume - quite silent - and distorted.
The firmware is the most recent.
I tried with the cable and the iems are working properly.
Made many tests, disconnected and reconnected for many times.
In the end I made a last test: I switched the right iem on the left utws3 and vice versa..... the are working perfect. Unfortunately not so confortable to wear.
What can I do?

Thanks in advance
Dear friend,

Please check whether the connection is firm enough for both channel?
And you could try to clear the pairing by holding the buttons in charging case for 15s. Then reconnect again for check?

Best regards
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Oct 19, 2022 at 3:46 AM Post #861 of 905
Dear friend,

Please check whether the connection is firm enough for both channel?
And you could try to clear the pairing by holding the buttons in charging case for 15s. Then reconnect again for check?

Best regards
Hi there,
thank you for answering!
So I know it is strange, I know it is unreasonable but I made all the tries you suggested with no success.

The thing that made both channels work was uninstall the Fiio application from my smartphone. Once more: I know it makes no sense but now all is going on, smooth and clear.

I will of course make a massive use of my set up in the next few days and I will write here if something (else) strange will happen.
 
Oct 20, 2022 at 10:43 PM Post #862 of 905
Hi there,
thank you for answering!
So I know it is strange, I know it is unreasonable but I made all the tries you suggested with no success.

The thing that made both channels work was uninstall the Fiio application from my smartphone. Once more: I know it makes no sense but now all is going on, smooth and clear.

I will of course make a massive use of my set up in the next few days and I will write here if something (else) strange will happen.
Dear friend,

Ok, thanks for the kind feedback.

Best regards
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Dec 13, 2022 at 10:11 AM Post #863 of 905
@FiiO I received my set yesterday from Aliexpress (Global HiFi Store), and after charging the case + hooks for a bit I started listening and it was all great.
However very soon as I wanted to replace the hooks into the case the case stopped reacting to any stimuli. The case seems to be completely dead.
As in, no lights on open / close or on plugging it into the charger / pulling it out or placing the hooks in; it's not charging the hooks; the button doesn't do anything (I tried pushing it for very long time, 30s+). I also sent a report by email to support@fiio.com , including a video (no answer yet).
I can confirm the hooks are working ok, and can connect them to my iphone and to the FIIO Control app (via de L hook).

I should say I tried all the things in the article "12.What can be done if the UTWS3 cannot be powered on/charged with an unresponsive indicator light?"
https://www.fiio.com/newsinfo/472905.html

Any tricks to wake the case back to life?
What next, otherwise?

A little sad as I am going on holidays soon and I probably won't be able to use them...

Thank you!
 
Last edited:
Dec 18, 2022 at 8:58 PM Post #864 of 905
@FiiO I received my set yesterday from Aliexpress (Global HiFi Store), and after charging the case + hooks for a bit I started listening and it was all great.
However very soon as I wanted to replace the hooks into the case the case stopped reacting to any stimuli. The case seems to be completely dead.
As in, no lights on open / close or on plugging it into the charger / pulling it out or placing the hooks in; it's not charging the hooks; the button doesn't do anything (I tried pushing it for very long time, 30s+). I also sent a report by email to support@fiio.com , including a video (no answer yet).
I can confirm the hooks are working ok, and can connect them to my iphone and to the FIIO Control app (via de L hook).

I should say I tried all the things in the article "12.What can be done if the UTWS3 cannot be powered on/charged with an unresponsive indicator light?"
https://www.fiio.com/newsinfo/472905.html

Any tricks to wake the case back to life?
What next, otherwise?

A little sad as I am going on holidays soon and I probably won't be able to use them...

Thank you!
Dear friend,

Sorry to hear about that. Did you try to charge the charging case via another charger and cables? And we will reply you via email as well. (Some of us were sick last week so the reply may be delay.)

Best regards
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Mar 24, 2023 at 11:32 PM Post #865 of 905
Not sure what to say about your issue Ionut, but little by little I'm trying to move away from FiiO! They have great hardware with a messed up software. I haven't had any major issues with the hardware, other than having the left side of my UTWS3 dying after 7months - but huge issues with the software, where the existing connected devices are not recognized, or settings have no effect or adding a Bluetooth device seem to be a rocket-science job for the mobile app.
Sorry, the software from FiiO is just not there, because the hardware they have - which is good, has major issues with the software.
.
Hope, FiiO will understand soon that the Software is as important as the hardware!
 
Mar 24, 2023 at 11:41 PM Post #866 of 905
Not sure what to say about your issue Ionut, but little by little I'm trying to move away from FiiO! They have great hardware with a messed up software. I haven't had any major issues with the hardware, other than having the left side of my UTWS3 dying after 7months - but huge issues with the software, where the existing connected devices are not recognized, or settings have no effect or adding a Bluetooth device seem to be a rocket-science job for the mobile app.
Sorry, the software from FiiO is just not there, because the hardware they have - which is good, has major issues with the software.
.
Hope, FiiO will understand soon that the Software is as important as the hardware!
Thanks! Indeed I can't say Im blown away by the software, and it's indeed a pity as you are right 80-90% of the experience is the software.
 
Mar 24, 2023 at 11:43 PM Post #867 of 905
Dear friend,

Sorry to hear about that. Did you try to charge the charging case via another charger and cables? And we will reply you via email as well. (Some of us were sick last week so the reply may be delay.)

Best regards
The seller (Global HiFi Store on aliexpress) kindly agreed to send me a case but they sent me a full set. Can't be more happier, all good! Missed having the new buds with me for the Xmas holidays but it all worked out in the end.
 
Mar 26, 2023 at 10:32 PM Post #868 of 905
Not sure what to say about your issue Ionut, but little by little I'm trying to move away from FiiO! They have great hardware with a messed up software. I haven't had any major issues with the hardware, other than having the left side of my UTWS3 dying after 7months - but huge issues with the software, where the existing connected devices are not recognized, or settings have no effect or adding a Bluetooth device seem to be a rocket-science job for the mobile app.
Sorry, the software from FiiO is just not there, because the hardware they have - which is good, has major issues with the software.
.
Hope, FiiO will understand soon that the Software is as important as the hardware!
Dear friend,

You are using FiiO Control app Android version or iOS version?
For iOS version, please try to clear the pairing for UTWS3 then reconnect again for check.
If you are using Android 13 mobile phone but having this problem, please try the FiiO Control app 2.5 version to check again. Download link: https://forum.fiio.com/note/showNoteContent.do?id=202105071628040377809&tid=17

Best regards
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Jun 6, 2023 at 3:30 AM Post #870 of 905
Is there any way to change the master side? I think my master is right side and the battery drains much faster than the left side.
Right side was at 40% and left is 80%

Have you tried popping the right back in the case and then pulling it back out? Sometimes you need to do both for it to switch sides.

Depending on if it's capable of it.
 

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