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Troubleshoot iPin laser lasing issue
Please Check the following 3 items:
1. Make sure your iPin laser is inserted completely and turned to ON position.
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_auto/1046435/Incomplete_insertion_1_srd3lv.png)
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_auto/1046435/螢幕截圖_2016-02-16_12.00.02_n7yvuj.png)
★★ iPhone 7, 8, X series need to work with MagHolder,
please make sure iPin is properly installed as shown below:
2. Make sure the "Volume Limit" and "EQ" are both set to "Off".
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_auto/1046435/2018-01-09_181040_rmtlsu.jpg)
3. Make sure the "Mono Audio" is set to "Off", and the volume balance is centered.
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_auto/1046435/2222_ulz7pn.jpg)
- Note:
1. Sometimes background App occupied the audio output from the headphone jack. So if the above 3 items are all set but the laser is still not emitting, then please try to remove all the background Apps or restart your iPhone.
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_60/1046435/remove_bg_app_f6kgqo.gif)
2. Avoid pressing the "volume down" button. Make sure the volume is always at the maximum.
![broken image](http://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_9000,w_1200,f_auto,q_60/1046435/Press_vol_max_g3oxxm.gif)