I have Seneo, Spigen, Yootech, Nanami, and Samsung fast wireless chargers. Only the yootech still does fast wireless charging after the update. No more Samsung products for me because I paid a bunch for third party products but even the Samsung puck no longer works. All chargers power plug will do fast cable charging. They put something in their software to hose the competition. I worked with T-Mobile techs who transferred me to Samsung techs who stated the security update was done to "protect data". Duh - what data is transferred by magnetic charge? So much for open Android software. They are getting just like Apple. Time to go with another brand of phone and tablets.
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