How can I see the history log of system updates

Question

I need to know the history log of system updates "ROM / OTA updates", is there any file on the device can I know this information?


— MML Professional | Sources

Answer

Most OEM doesn't keep a log of that on your device, but the recovery (a place for installing OTA updates) does keep a log of what you installed, when you wiped data, etc. That log should be in /cache/recovery/last_log


— Tipz Team | Sources

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