I have j7 max I change tha data cable bt this battery is very slow charging and minimum backup and his vibration mode is on but his not working properly when msg come then tha vibrter is working fine but calling time is failed so sir plz help me
We apologize for the inconvenience caused. We would suggest you to visit nearby Samsung Service Center so service engineer will examine your device physically. Please find service center details in the link provided http://www.samsung.com/in/support/servicelocation/
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