I've owned the Nexus5, HTC One X, and Currently Oneplus One. I started using N5 from koodo and i had varying signal from 1 bar to full. Had to give my N5 to my little brother and had to go to my back up phone, the One X. On that phone i would always have full bars. Now that i have a Oneplus One, the signal has gone down again and it won't go higher than 1 bar. This is all in toronto. Any ideas why this is happening?