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penguin42

@cas Oh, that's nice. Yeh I found out that qcom problem on my Find7 (main phone) the hard way when playing with kernels. What's the 4.4v for? Seems an odd value.

29 Oct 2023 at 17:32 | Wall-to-wall | Open on mastodon.org.uk
6 comments
caleb

@penguin42 to replace the battery, both for safety and because it makes power cycling a sub 1 second process instead of a 15 second one

29 Oct 2023 at 17:37 | Open on social.treehouse.systems
caleb

@penguin42 you might be interested in qbootctl if you're running some Linux userspace, it's a port of the Android bootctl HAL to handle slot switching and resetting the retry count from userspace

gitlab.com/sdm845-mainline/qbo

29 Oct 2023 at 17:38 | Open on social.treehouse.systems
penguin42

@cas Does that let you recover if you've already got it into the worst recovery mode?

29 Oct 2023 at 17:44 | Open on mastodon.org.uk
penguin42

@cas Actually; let me more precise - I mean the qcom boot mode that happens before fastboot.

29 Oct 2023 at 17:48 | Open on mastodon.org.uk
caleb

@penguin42 ohh, EDL mode? There's a tool you can find on GitHub, but it requires having some vendor signed "loader" binary, many of these get leaked so you might get lucky..

It can be quite hard to figure out what's causing that, especially without serial access.

29 Oct 2023 at 17:53 | Open on social.treehouse.systems
penguin42

@cas Yeh I think that's the scary one; I ended up having to reflash via a windows vm running a dodgy chinese reflashing tool; if I can already get to Fastboot I'm not too scared, it's when it doesn't get that far I worry.

29 Oct 2023 at 17:56 | Open on mastodon.org.uk
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