Submitted via IRC for SoyCow1984
New research showed that 90 percent of contacted companies told customers that repairing their own device would void the warranty; that's illegal under federal law.
Source: https://motherboard.vice.com/en_us/article/9k7mby/45-out-of-50-electronics-companies-illegally-void-warranties-after-independent-repair-sting-operation-finds [vice.com]