Vivo X21 UD Won't Connect To Wi-Fi

How To Fix The Vivo X21 UD Won’t Connect To Wi-Fi Issue

The #Vivo #X21UD is a premium Android smartphone that was first released in March 2018. It has a solid build quality made of an Aluminum body and a 6.28 inch Super AMOLED display having a resolution of 1080 x 2280 pixels which is protected by Corning Gorilla Glass 3. It uses a dual rear camera