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Firefox on android fails to start (forced closed immediately)

Firefox dla Androida Rozwiązywanie problemów
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When I launch the firefox app after installing it from Google Play, it is about to start (homepage appears) but then closes immediately and returns to the home screen. Even I haven't set anything in it yet uh...

my phone details: POCO X5 5G, with MIUI EU 14 (android13), rooted

Thanks a lot.

When I launch the firefox app after installing it from Google Play, it is about to start (homepage appears) but then closes immediately and returns to the home screen. Even I haven't set anything in it yet uh... my phone details: POCO X5 5G, with MIUI EU 14 (android13), rooted Thanks a lot.

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Paul
Paul
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Hi Johan

You mention that you have rooted your device - what changes have you made?

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Paul said
Hi Johan You mention that you have rooted your device - what changes have you made?

Hello,

I rooted my device with magisk delta, and then installed PIF (https://xiaomi.eu/community/threads/installing-magisk-and-play-integrity-fix.70553) & NOTOCJK (full weight font patch) modules and swiftbackup app, adaway app

After that I installed firefox from Google Play.

BTW I unrooted & re-locked my POCO device afterwards, and then installed firefox app again for test. However, the problem remains...

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(update) I found I can launch firefox app normally if clearing all its data and reboot my device, unless I reboot my device again. A pity once I do so and then launch firefox, it will start to be force closed again.

Therefore, I cleared firefox's data (app kept) and launched it so as to tap "Crashes" in firefox's settings to send Mozilla a crash report. However, no report found in it. (Due to removal of app data...?) But without clearing it, I can't launch firefox (force closed) to tap "Crashes" to get the crash report. Falling into a dilemma now...

Any idea of how to make app traces or collect bug reports in such case? Many thanks.

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