HELP! Why does my iPhone 6 can't connect Wi-Fi
If you come across this situation that your iPhone hasn't been connecting to Wi-Fi networks that it used to connect to automatically. You opened Settings > Wi-Fi to see what's happening, and discovered that that the Wi-Fi button is grayed out and you can't turn it back on. In this article, I'll explain why your iPhone's Wi-Fi is grayed out and the steps you can take to fix the Wi-Fi on your iPhone. Received an iPhone 6 without WIFI, the customer said: "two mobile phone repair shop tried to fix it but didn't succeed". There are lots of solder flux cover on WiFi, it seems that WiFi has been replaced several times, a nearby resistor is also lost , the bottom of WIFI is scraped to copper wire, we can certainly confirm it's not the iPhone 6 WIFI module problem. First remove the WIFI and boot device to measure the voltage of WIFI bottom board pin, we find that 14 pin has no signal voltage, it should be 1.8V. The problem comes from here. Using a...