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However, experts caution that aluminum foil is not a miracle solution. If your internet problems are caused by slow service from your provider, outdated hardware, network congestion, or interference from neighboring devices, a foil reflector is unlikely to solve the issue.
In some cases, incorrect placement may even create uneven coverage by concentrating signals in one area while weakening them elsewhere. That's why testing different positions and measuring signal strength can help determine whether the method is beneficial in a particular home.