How to Fix iPhone 8 Plus WIFI Grayed Out Issue

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A grayed out and untappable Wi-Fi setting is reported by iPhone 8 Plus users. iPhone 8 Plus can be turned on normally, but the WIFI icon is grayed out, which means the iPhone WIFI function is unavailable. This error may appear to be a software or a hardware issue. In this article, we will share the best solution to fix iPhone 8 Plus Wi-Fi grayed out issue.

As we know, iPhone WIFI problem generally is caused by the iPhone WIFI Bluetooth IC, so now we need to disassemble the iPhone 8 Plus.

Use screwdrivers and screen sucker to open the iPhone 8 Plus, and then remove the iPhone screen assembly, disconnect the iPhone battery, and then take out the iPhone motherboard.

Use tweezers to remove the black sticker on the motherboard, and then use digital multimeter to measure the iPhone motherboard to check the iPhone WIFI working condition. After measurment, all data measured are normal, which means the iPhone WIFI circuits are normal.

Next, we need to measure the iPhone WIFI module IC working voltage. Connect the iPhone motherboard to a UNI-T DC power supply, trigger the iPhone motherboard, and then use digital multimeter to measure the motherboard.

When measured the SR_LVX_W, the voltage is 1.22V, while the normal voltage should be 1.35V.

Attach the iPhone motherboard to MJ A22+ PCB fixture, use hot air gun and BGA graver blade to remove the iPhone WIFI module IC, clean the solder pad.

Now use hot air gun and BGA graver blade to remove the iPhone Nand flash, and then clean the solder pad. Unbind the WIFI, and then reballing the iPhone Nand flash, install it back the iPhone motherboard.

Apply some solder paste to the iPhone WIFI solder pad, and then install the iPhone WIFI module IC to the motherboard.

Finally, assemble the iPhone 8 Plus, turn it on, now the iPhone WIFI icon displays normally, and it can be turned on properly, the iPhone 8P WIFI function is available.

Hope we can help you solve this annoying problem through the above hardware repair methods. If you have other better solutions, please leave a message in the comment.