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Divested-Mobile / Mull-Fenix

Build scripts for a web browser built upon Mozilla technology
https://divestos.org/pages/our_apps#mull
GNU Affero General Public License v3.0
610 stars 16 forks source link

Softbrick by modifying `about:config` - How to reset individual settings via `adb`? #189

Closed leehyunkeun closed 10 months ago

leehyunkeun commented 10 months ago

I have modified an about:config setting and now tabs are no longer loading, including any of the about pages, meaning that the browser is effectively bricked.

Is there any way to read out about:config settings e.g. via adb (similar to the list of important changed configurations as displayed on the about:support page) and reset selected ones without having to reset/reinstall the entire app?

The last options modified right before the brick belong to the browser.cache group, so I am fairly certain which settings need to be reset in order to unbrick the browser.

SkewedZeppelin commented 10 months ago

No, your only option is to wipe app data.

Please don't make random changes to Mull, it defeats the purpose of it.

There are a small handful of workarounds you should stick to: https://divestos.org/pages/broken#mull

leehyunkeun commented 10 months ago

Are you serious?

Surely, there must be a way to access about:config via adb.

Where exactly are these settings stored? Isn't there something like a prefs.js or some XML file that one can modify to reset individual settings? AFAIK, this is no problem whatsoever on desktop versions.

SkewedZeppelin commented 10 months ago

I don't know where settings are stored, I don't keep a rooted device.

This is not a usecase I support, you'll have to figure it out on your own.

leehyunkeun commented 10 months ago

How did you build this fork and configure all the about:config settings without such knowledge? Also, the device in question is not rooted.

SkewedZeppelin commented 10 months ago

Where the files are compiled in is completely different than where they are stored on device in userdata partition.

And if you don't have root, then it is guaranteed you can't possible fix it.

Users can't edit private app data, which is where these settings are saved.