A lot of Note 7 owners don't have to sleep with one eye open anymore, according to Samsung's latest press release. The company says it has already exchanged half of the Galaxy Note 7s sold in the US that had been turned in through its voluntary recall program. Further, 90 percent of the people who went in for the recall apparently asked for replacement Note 7s, which were released on September 21st, instead of getting another model. Samsung made sure those replacement devices are safe, but if you want to know if you really got one that won't blow up, check its battery indicator. The safe Note 7s have green battery indicators, though you might have to download a software update to change its hue.