I found after the Photon I’m working on updated to 0.4.9 this morning, backup RAM stopped storing data after a reset. Just now I tried the example code from Particle Docs , and it works with 0.4.7 (value is retained after deep sleep) but not with 0.4.9.

@Pixelmatix , another member has already posted a topic on this: [image] Backup Ram Stopped working (Issue with 0.4.9) (updated) Troubleshooting I confirmed that the code below works correction on 0.4.7 but stopped working with 0.4.9. It appears that 0.4.9 has affected t…

Backup RAM (retained variables) Broken in 0.4.9

Firmware

peekay123 January 27, 2016, 2:11pm 2

@Pixelmatix, another member has already posted a topic on this:

Topic		Replies	Views
Backup Ram Stopped working (Issue with 0.4.9) (updated) Troubleshooting	16	3997	March 12, 2016
Backup RAM not working [SOLVED] Firmware	18	4288	October 16, 2016
Retained Memory not able to build Getting Started	10	1990	October 16, 2015
Retained Memory Not Working Correctly Troubleshooting boron , argon	3	1429	January 9, 2019
Retained Memory Tips Tutorials	13	6168	September 20, 2019

Backup RAM (retained variables) Broken in 0.4.9

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