I have http://www.walmart.com/ip/Hisense-Sero-7-LT-7-Tablet-4GB-Memory-Dual-Core-Refurbished/30823394, my sister gave to me as a Christmas gift. In settings for wifi it shows I am connected and the wifi symbol occasionally stays blue long enough that my Kindle app can sync/load a book. Is there a way I can fix this or?
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