The face unlock of Google Pixel 4 is now safe 6 months after release

Google Pixel 4

Google has finally released an update for the face recognition system in its Pixel 4 and 4 XL smartphones, which now only works when the user’s eyes are open.

The new update is designed to solve the problem that surfaced literally right after the new Google smartphones went on sale. The first customers noticed that the advanced face recognition system, which was advertised as one of the main features of the Pixel 4 and 4 XL, unlocks the device’s display even if the person has his eyes closed, for example, during sleep.

Accordingly, this raised a big question about the security of such smartphones. To smooth out the problem, Google immediately promised to release the update “in the coming months”, but in fact it took the company half a year.

Updating the face recognition system in Pixel 4 and 4 XL adds the option “eyes should always be open” to the device settings, which is enabled by default. However, the user has the ability to disable it. In addition to fixing this problem, the update also fixes a break in sound via Bluetooth.

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Google Pixel 4 and Pixel 4 XL specifications

  • Pixel 4 – 5.7-inch (2280 x 1080 pixels) FHD+ OLED 19:9display, 444 PPI, HDR support, Corning Gorilla Glass 5 protection
  • Pixel 4 XL – 6.3-inch (2960 x 1440 pixels) Quad HD+ OLED 19:9 display, 537 PPI, HDR support, Corning Gorilla Glass 5 protection
  • Octa-Core Qualcomm Snapdragon 855 7nm Mobile Platform (Max 2.84GHz + 2.42Ghz + 1.8GHz) with Adreno 640 GPU
  • 6GB DDR4X RAM, 64GB / 128GB storage
  • Android 9.0 (Pie)
  • Dual SIM (nano + eSIM)
  • 12.2MP rear camera with LED flash, 1.4μm pixel size, ƒ/1.7 aperture, 77° FOV, Dual PD auto focus, OIS, EIS, 16 MP Telephoto lens, 1μm pixel size, f/2.4 aperture, Spectral + flicker sensor, 4K video recording at up to 30 fps, 720p at up to 240 fps
  • 8MP auto focus front camera with 1.22μm pixel size, f/2.0 aperture, 90° FOV, 1080p 30fos video recording
  • Active Edge
  • Water and dust Resistant (IP68)
  • Stereo speakers, 3 microphones
  • Pixel 4 Dimensions:  147.1 x 68.8 x 8.2mm; Weight: 162g
  • Pixel 4 XL Dimensions: 160.4 x 75.1 x 8.2mm; Weight: 193g
  • 4G VoLTE, WiFi 802.11ac 2x2MIMO (2.4/5 GHz), Bluetooth 5 LE, GPS, USB Type-C Gen 1 , NFC
  • Pixel 4– 2800mAh (Pixel 4) / 3700mAh (Pixel 4 XL) battery with 18W fast charging, Qi wireless charging
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