I have an LG Optimus D415 phone. I accidentally peeled off a large copper and black sticker from the inside (there isn't any backing on my phone) and now my Wifi connection is awful. I've peeled off these stickers before to no effect in my signal but now it's bad. Can't get more than 1 bar more than 10 feet away from the router.
Answers (1)
The metal inside phones are there for a reason and has various functions xD if you peeled it off, maybe you can try putting it on again somehow? If that isn't possible, then sending your phone to repair may be the only solution to this.
Please note that I'm not the best expert on this, so I might not be 100% correct :)