Galaxy S9/S9+: Charging stops repeatedly while using the wireless charger?

Last Update Date : 2018-05-09

Damaged data cable or Un-authorized fast wireless charger may cause unstable charging and “Irregular charging detected” notification pop-up.

Please check your data cable and try again with another data

And please check your wireless charger also.

If your wireless charger is un-authorized wireless charger, please use Samsung authorized wireless charger.

* Note 1: Even if “Samsung” Logo is printed or similar product label is attached, it may not be Samsung authorized accessory. The detail will be followed in next slide
* Note 2:  Samsung authorized wireless chargers satisfies WPC (Wireless Power Consortium) standard tightly. But un-authorized (or imitation) wireless charger may not satisfy the WPC standard and may make the charging problem.

If the 3rd party wireless chargers satisfy WPC standard, they will be working well with Galaxy S9/S9+

Samsung authorized vs un-authorized wireless charger


Samsung Authorized


S/N Label 

serial number  

unauthorized charger   


         authorized charger

 unauthorized charger 

Cooling fan and Air hole




- Cooing fan operates during fast charging

- Air hole pattern is not matched with fan vent>

unauthorized charger





- There is no cooling fan

- Air hole pattern is matched with fan vent

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