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The most recent security patch for the North American unlocked model (BBF100-2) was the ACW142 build , released in August 2021. Autoloaders:
For more information on BlackBerry KEY2 firmware, including update instructions and troubleshooting tips, visit the following resources:
: Official security support largely tapered off in 2021. The last "surprise" patches for specific North American unlocked models (BBF100-2) were seen as late as July 2021 .
The KEY2 shipped with and received updates up to Android 8.1 only (no Android 9 or 10 officially). Firmware is region- and carrier-specific. Key identifiers:
