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samedi 12 septembre 2015

Strange OTA update from LRX22C to LMY47O



I've tried to search for this issue in the forum but it seems that nobody ever encountered it.

I'm running the rooted stock ROM 5.1.1 on a Nexus 4 (LMY47V) that I've updated since the initial version using always OTA downloads. My provider is T-Mobile USA.
Recently, I keep receiving a notification for a system update that looks a bit weird to me.
The update should be from 5.0.1 (LRX22C) to 5.1.0 (LMY47O), but I'm wondering why I would get it if I'm already running a newer version.

The full path of the download file [1] has a hash that doesn't match any of the original images, but I don't know if this is necessarily a bad thing (since it's just an update and not a complete install).

Initially I tried to update because I didn't know it was the wrong update, but (lucklily?) it didn't succeed so I investigated a bit. I had a few issues in the past with other OTA's failing because the system was rooted, but I managed to decompress and manually install the single components. Although, I don't think I want to do it in this case, because of the version mismatch.

Does anybody has a clue about what's going on?
Also, since I suspect that this update is useless, is there a way to silence or delete this update without installing it?
Thanks in advance.

[1] /storage/emulated/0/Download/e6789b4e57176ed28cd8b24747c134366b3908fc.signed-occam-LMY47O-from-LRX22C.e6789b4e.zip



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