How the Feds Break Encrypted Phones

“When it comes to breaking into phones, it's tougher to access devices that aren't as popular as iPhones or Samsungs […] Most forensics technology developers don't waste their time trying to find design flaws in off-brand phones, they said. ‘A cheaper phone that might be less popular, it seems like it'd be easier for the vendors to get into it,’ says Darnell of the Secret Service phone lab. ‘But it's actually quite the opposite.’ "