crwdns2934241:0crwdne2934241:0 dani

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I also had my screen replaced but on the 4s and now my wifi signal is very weak unless it's right next to the wireless router. Most of the answers above are for the iphone 4. I believe the 4s's wifi ground clip is next to the battery connector. I have tightened the screw connecting the ground clip, cleaned the clip with windex... still have a weak signal. Any ideas?

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open