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LPT: Improve your phone reception by wiping your SIM card with a rubber for paper
LPT: Improve your phone reception by wiping your SIM card with a rubber for paper I learned this recently: I live in the alps, no fiber cables, so I have a 4G router with a flat plan SIM card that provides WIFI for my apartment. Recently I saw the reception bars dropping from a solid 3/3 to a 1/3, eventually "dying" and stop working, all in one week or so. I googled it and followed this advice: I took out the SIM and gently w...
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