You’re unwilling to shell out more bucks to buy a case for your iPhone 4? A little low-tech and low-cost solution was shown to you before, which you could use a duct tape to stick on the antenna gap to prevent any signal loss problem. But that would make your iPhone 4 look little ugly.
Similar to using a duct tape, the Antenn-aid Band-aid should be a much neater way to fix the antenna gap of the iPhone 4 and it costs $5 only for a pack of six. So, you can get six of your friends and colleagues to share a pack of the Antenn-aid Band-aid, which each person needs to pay less than $1 for a band-aid. The bandaid is to stick on the lower left corner of the iPhone 4’s antenna to improve the signal performance.
via chipchick
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