1- This method is suitable for the vast majority of Bluetooth headsets. Many Bluetooth ears first, non-mandatory. Hold down the \"power switch\" and \"volume\" buttons at the same time for 15 seconds and do not let go until there is a response. Second, the method of forced recovery. First turn on the headset (do not need to enter the pairing state), then charge our Bluetooth headset for about 5-10 seconds, so that most of the Bluetooth headset will be forced to shut down when charging in the startup state, and enter the factory setting state. This method is not mandatory, but sometimes it has no effect on some Bluetooth headsets. The machine sometimes fails to connect. The performance is that the headset enters the code state, but the mobile phone can not search,...
2- Forced recovery method first turn the headset on (no need to enter the code state), and then charge the headset for 5-10 seconds. Most earphones turn off automatically when they are charged on.
3- Hutchison I TECH series Bluetooth headset restoration method. This method applies to the S\/S38\/S35\/R35\/IIS\/IIIS Bluetooth headphones of ITECH brand...
2. If the Bluetooth headset is designed with a power key and two volume keys, you can hold down the [power switch] key and [volume] key for 15 seconds at the same time, and then the Bluetooth headset will automatically restore the factory Settings and close, and can be used after restarting;
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3, you can try to turn on the headset first, plug in the data cable to charge the headset for 5-10 seconds. If the headset is powered on, some earphones will automatically shut down and be forced to restore factory Settings.
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4, check whether the headset has a Reset button, try to press this key for 5-10 seconds, there may be an indicator flashing and other prompts;