I purchased Huawei-MediaPad-x1 from aliexpress.com. it is rooted phone.I used wifi whole day.But when I inserted my pakistani sim my mediapad x1 is not detecting my wifi router. I did factory reset.but it did not work.my wifi came back after reinstallation of firmware.it worked good. But after inserting sim in sim slot I lost my wifi again. My wifi router is again not identified by mediapad x1.so I have a useless phone. can anybody help?