If you’re a left-handed iPhone 4 owner then you’re potentially one of those infuriated by the problem in which gripping the device by its lower left corner can interrupt your network signal.
This is because your clammy fingers sometimes have the effect of bridging the gap between the two separated aluminum sides, which has the effect of joining the WiFi and GSM antenna and cutting the call.
Here’s the simplest fix we could find — it doesn’t even require that you invest in a protective case — a simple strip of sticky tape should do the job.
Fast Company explains that all you need to do is take a little tape and strap it across the side of the iPhone, just down there on the left, being sure to also protect the metal sides.
And that’s well worth $0.001 in tape.