However, if your deployment is in a freeze (regulatory certification ongoing), wait for the “R12.07 Rev B” hotfix expected in late May 2026.
Date: April 16, 2026 Category: Firmware & Driver Updates Target Device: JMR1140 Series (Automotive/Industrial Telematics) amtel-jmr1140-r12.07 latest version download
https://www.microchip.com/support/downloads/jmr1140-r12.07 Checksum (SHA256): 3f8a2c9e1b6d4a7e9f0c3d8a1b4e6f7c8d9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c This article is for informational purposes. Always test firmware in a staging environment before mass deployment. However, if your deployment is in a freeze
jmr-cli --version # Expected output: JMR1140 Firmware R12.07 (build 2026-04-01) jmr-cli --health amtel-jmr1140-r12.07 latest version download
Microchip Technology (formerly Atmel) has released its latest firmware and driver package for the JMR1140 module— version R12.07 . This update focuses on improving CAN bus stability, GNSS sensitivity, and power management for harsh environment deployments.
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