I am trying to deploy 80, Galaxy Tab A6's (SM-T280), with the latest firmware they are experiencing very bad Wifi connection issue. High ping times, time-outs, latency, overall just can not keep these tablets reliably connecting to an Access Point. I use ubiquiti unifi AP's, but for alternative testing I tried a D-Link DIR-655. Connected to either router these tablets experience the same thing. Has anyone else experienced Wifi issues with these tablets? And if so any resolve?
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