Galaxy S 4 i9506 (ks01ltexx) for /e/OS-R 2.3
e-2.3-r-20241114-UNOFFICIAL-ks01ltexx.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/SamsungSmartphones/e-2.3-r-20241114-UNOFFICIAL-ks01ltexx.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/unofficial-crdroid-v7-0-android-11.4170825/
Use it at your own risk!
Please support the developer(s)!
outrageous, a 2013 phone 
2gig ram is good enough… wonder if there are active users
“640K ought to be enough for anybody!” 
i9506, Samsung Galaxy S4 LTE Advanced (Cat4 150/50 Mbps),
it have a faster 4G and also faster CPU than the standard
i9505, Samsung Galaxy S4 LTE International (Cat3 100/50 Mbps)
Compare Samsung I9505 Galaxy S4 vs. Samsung I9506 Galaxy S4 - GSMArena.com
The device is less common…
I had bought one by error 2 years ago, but have solded it to a friend with LineageOS because the lack of /e/OS build.
I will rebuy it because she don’t use it.
Right, the i9506 also run’s fine with LOS 20 (T) which performs very well and nearly bugless I tested…
https://xdaforums.com/t/unofficial-lineageos-20-0-android-13.4502947/
It exists also a LOS 21 build, but the videorecording fails and there are also some more bugs unfortunately…
https://xdaforums.com/t/unofficial-lineageos-21-0-android-14.4650429/