# OTA

**URL:** https://forum.amebaiot.com/c/linux/ota/89.md

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## [About the Linux OTA category](https://forum.amebaiot.com/t/about-the-linux-ota-category/4440)

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**Author:** [@emch](https://forum.amebaiot.com/u/emch)\
**Replies:** 0\
**Last updated:** [October 24, 2025, 6:21am UTC](https://forum.amebaiot.com/t/about-the-linux-ota-category/4440 "2025-10-24T06:21:01Z")

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For all topics related to Linux OTA solution. While for issues related to firmware download and mass production, please discuss them under the Tools category. 讨论关于Linux OTA 固件升级解决方案的话题。关于固件下载、量产相关问题，请至Tools相关分类下讨论。

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## [RTL8735B — Does Flash SEC support per-device OTA decryption with a single common firmware image?](https://forum.amebaiot.com/t/rtl8735b-does-flash-sec-support-per-device-ota-decryption-with-a-single-common-firmware-image/5053)

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**Author:** [@deepakkumarbinwal](https://forum.amebaiot.com/u/deepakkumarbinwal)\
**Replies:** 1\
**Last updated:** [September 16, 2026, 8:29am UTC](https://forum.amebaiot.com/t/rtl8735b-does-flash-sec-support-per-device-ota-decryption-with-a-single-common-firmware-image/5053 "2026-09-16T08:29:15Z")

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Hello, We’re planning to enable secure boot and flash encryption on the RTL8735B (AmebaPro2, SDK release 9.6\_r) for a production run of about 10,000 units. Goal: one shared secure-boot signing key for the whole fleet, …