4-inch iPhone released in March 2016 with similar hardware specifications to the 6s. Available in Silver, Space Grey, Gold, or Rose Gold with 16/64 GB storage options. Model A1662 and A1723.

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WiFi is weak after screen replacement

I just made a screen replacement for iPhone SE by myself. I carefully followed videos found online and everything works well after the replacement except the Wi-Fi. The iphone can only find Wi-Fi signal when it is very close to it? I know that it might due to I disturbed wifi connection during screen replacement but how can I fix it? Where should I fix! Thanks in advance!

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The drop of the phone or yourself has either disturbed the connection between the wifi flex and the logic board, or you have damaged the wifi flex.

Look at the image provided, the wifi flex connects underneath the logic board, you will have to take the logic board out to reconnect it, or replace it. :-)

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