Android tablet won't connect to WiFi

Zeus30

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Apr 10, 2015
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My brother just got his tablet fixed from his brother after he bricked it editing the build prop. Now, whenever he turns on the device and tries to connect to work, it turns gray instead of blue. The only way he can use WiFi is via ethernet but its kinda annoying.

Heres my question, is there a way he could is WiFi without using any cords, he doesn't have a USB to USB cable. I got an otg cable but its not compatible with his device. He has no Bluetooth. Also, my laptop has WiFi and my tablet has WiFi. If you need anymore info, let me know. Thanks!
 

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