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JBL T450BT : It's starting but after 10 sec it turns off

This question relates to connecting a JBL T450BT BUY NOW to a T-Mobile G2 BUY NOW

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After turning on it white light blinks 2 times and then blue light blinks continuously and after 10 seconds it turn off automatically.
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Question by Prasad 10:58am, 16th July 2020

There are 10 responses to this question including 1 solution and 1 other deemed noteworthy

Chris (Admin) responded : 8:48pm, 21st July 2020 (7 months ago)
Was this working ok previously or is this the first time setting it up? It sounds like it's ready to pair.

Vivek responded : 2:36am, 22nd July 2020 (7 months ago)
Yes, I ordered headphones yesterday and first time it worked properly up to 10min and after some time i connected it again but it disconnected in 10 seconds.... I have also charged it completed but Bluetooth didn't worked

Luis (Admin) responded : 12:30pm, 23rd July 2020 (7 months ago)
Does resetting them by holding the two volume buttons down simultaneously for at least 5 seconds help ?

Mario Lambert responded : 1:35am, 1st February 2021 (1 month ago)
Bonjour, j'ai le mme problme. J'ai essay plusieurs manires de rinitialiser incluant celle de Luis, sans succs. Avez-vous trouv une solution ?
Merci

Hello, I have the same problem. I have tried several ways to reset including Luis's, without success. Did you find a solution? Thank you

John (Admin) responded : 12:28pm, 1st February 2021 (1 month ago)
It sounds like the device may have just lost it's pairing and need pairing all over again. Delete any historical profile of pairing for the device on your phone/audio streaming device then start the process all over of searching for nearby Bluetooth devices. Hopefully the T450BT will appear in the list.

Mario Lambert responded : 1:07pm, 1st February 2021 (1 month ago)
Bonjour M. John, il apparat, mais le problme persiste. Je russi coupler l'appareil et entendre environ 7 10 secondes plus l'appareil s'teint.
Hello Mr. John, it appears, but the problem persists. I managed to pair the device and hear about 7-10 seconds plus the device turns off.

Colin (Admin) responded : 1:12pm, 1st February 2021 (1 month ago)
Some people have found that it does this when still plugged in to charge. Is yours still connected Mario ?

Mario Lambert responded : 3:26pm, 1st February 2021 (1 month ago)
Non, le casque n'est pas en charge.
No, the headset is not charging.

Pedro (Admin) responded : 3:39pm, 1st February 2021 (1 month ago)
Ok... but when you do charge it it appears to charge ok ? It takes the normal amount of time for the charging complete ? I'm wondering if it has a bad internal battery.

Mario Lambert responded : 5:48pm, 1st February 2021 (1 month ago)
Le casque semble se charger normalement.
The headset appears to charge normally.

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