When i'm inside of our apartment, getting a cellphone signal is very hard, often times I wouldn't get any bar in my iPhone. My unit is in the ground floor and is surrounded by tall walls. My apartment has a small balcony (which is still surrounded by tall walls) where I can at least get a single or two bar signal from my iPhone.
This question was inspired by this video (https://youtu.be/pFx8tuSlCcQ) where a guy used some copper or magnetic wire to extend the range of it's mobile phone antenna. I'm aware that there are some repeater that are being sold but they're really expensive. I'm just looking for a cheap (below $10) solution that I can do or buy.
I'm planning to do a similar solution where I'll be extending some magnetic wire from the inside of my apartment to my balcony. But before I do that, I wanted to confirm if this idea would really work.
I also don't know where I will be connecting the end of the magnetic wire as iPhone doesn't have any external antenna port.