There are a lot of things that changed for Android 15.
- User-data encryption is now enabled - the issue with it previously has been resolved. All users MUST format their data partition as a result.
- Dynamic partitions have been implemented, as it is no longer possible to not have a vendor partition. There really wasn't a good way around it other than repartitioning and I flatly refuse to go that route if possible.
Due to these changes, all custom recoveries other than Lineage Recovery is no longer supported by me.
Download (see installation instructions for download to Lineage Recovery and installation steps):
All non-Japan variants: https://lineageos.lifehacker101.net/device/joan
Japan variants: https://lineageos.lifehacker101.net/device/l01k
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Join: https://t.me/LGEV30