Android Security Bulletin for April is Now Available with OTA and Factory Images

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A new month means it’s time for a new security patch. Google has just released the April 2018 security patch for Nexus and Pixel devices. Factory images and OTA files are already available for download. The devices included are the Google Pixel 2, Pixel 2 XL, Google Pixel, Pixel XL, Nexus 6P, Nexus 5X, and Pixel C.

The April patch includes 62 issues that have been resolved. As usual, the vulnerabilities range from high to critical, but Google says there are no reports of users being affected. Like last month, the most severe vulnerability has to do with the media framework and the possibility of a remote attacker using a “specially crafted file” to execute arbitrary code. Here’s the full list of functional updates for the Pixel/Nexus devices:

Improvement Devices Enable Assisted Dialing support Pixel 2, Pixel 2 XL Improve anomaly detection metrics All Improve diskstats logging All Improve handover from VoLTE to VoWi-Fi during Emergency calls on certain carriers Pixel, Pixel XL, Pixel 2, Pixel 2 XL Improve microvideo performance in Google Camera Pixel, Pixel XL, Pixel 2, Pixel 2 XL Reduce delays upon opening specific apps Pixel 2, Pixel 2 XL Improve decoding of certain video streams Pixel, Pixel XL Improve fingerprint and keyboard latency in certain situations Pixel 2, Pixel 2 XL Adjust notifications when entering or exiting Wi-Fi coverage during a video call Pixel 2, Pixel 2 XL Enable IMS911 on certain networks Pixel 2, Pixel 2 XL, Pixel, Pixel XL Detect Wi-Fi Passport statistics for developers All Improve lock screen performance All Improve start time logging All Improve magnetic sensor performance Pixel 2, Pixel 2 XL Reduce battery drain after modem issues Pixel 2, Pixel 2 XL Improve modem stability on Pixel and Pixel 2 phones Pixel, Pixel XL, Pixel 2, Pixel 2 XL Adjust Call Forwarding UI Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL Improve multi-calling performance over Wi-Fi Pixel, Pixel XL Improve data connectivity for T-Mobile users in parts of Australia Pixel, Pixel XL Update certification Pixel, Pixel XL Improve Wi-Fi stability on Pixel 2 phones Pixel 2, Pixel 2 XL Improve handover to Wi-Fi Calling in low-coverage areas Pixel 2, Pixel 2 XL Improve conference call performance over Wifi Pixel 2, Pixel 2 XL Improve VoLTE performance for some carriers Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL Adjust APN updating behavior All Improve settings app icons All Upgrade certificates to ensure continued service Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL Add methods to PeerHandle API for developers All Update Verizon Service APK for Pixel phones Pixel, Pixel XL, Pixel 2, Pixel 2 XL Improve Wi-Fi and RPM logging Pixel 2, Pixel 2 XL Improve connectivity and performance on certain carrier networks Pixel, Pixel XL, Pixel 2, Pixel 2 XL Improve notification listening apps All Address call forwarding issue All Improve internet connectivity on Pixel 2 on certain WiFi networks Pixel 2 Adjust APN settings Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL Improve MMS messaging performance on certain carriers Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL Adjust battery learned capacity increment and decrement limits Pixel 2, Pixel 2 XL Change voice domain to CS for certain carriers Pixel XL Adjust timeouts for Phone App All Improve stability for Pixel 2 devices in certain parts of Canada Pixel 2, Pixel 2 XL Improve instant Apps performance All Improve indicators for emergency call connectivity Pixel 2, Pixel 2 XL Optimize search logic to improve battery performance Pixel 2, Pixel 2 XL Improve battery logging for Pixel 2 and Pixel 2 XL Pixel 2, Pixel 2 XL Improve GPS Time performance on Pixel 2 XL Pixel 2 XL Improve audio speaker performance during phone calls All Adjust advanced calling settings for Verizon Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL Change to prioritize certain bands Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL Improve in-call performance for some carriers Pixel, Pixel XL, Pixel 2, Pixel 2 XL Improve network performance on Simyo carrier Nexus 5X Improve connectivity metrics All Improve experience switching between LTE and Wifi Pixel 2 XL Improve data performance for devices with certain SIM cards All Improve autofill logging All Improve internal troubleshooting tools All Improve network logging All

The Pixel/Nexus Security Bulletin is live right now. The general Android bulletin is also available below. You can find the OTA files and factory images for your device from the links below.