there's often unofficial builds of TWRP and lineage on the device specific XDA forum
this post was submitted on 23 Dec 2023
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You'd probably be better off asking on XDA under your specific device's subforum.
I haven't rooted or installed a ROM on any devices in like 6 years, but it was possible to install a ROM just using fastboot to flash the partitions, it isn't as easy since it takes multiple command strings. It should still be possible since all TWRP does is flash partitions. You'll just need to flash each partition manually or write a shell script to save you the typing.
if the phone has ab system partitioning then it wouldn't have a separate recovery partition. your phone seems to not even have an xda page for it so there isn't really anything made for it. building recoveries and roms is more complicated than it seems. idk how it works for recoveries but I know for building roms you need device trees and stuff. your phone probably doesn't have those already made for it so that means you have to make them yourself somehow. as you can probably tell this is quite above what I know how to do
nobody was replying so I figured I say something
I've had older lineage running on a J3 , don't think it was exactly the same model. At that time it was as simple as building it with brunch, lunch etc. with the right device name , probably something like j3ltekx , you should be able to find that on the internet. It might be more difficult trying to get a newer version to work on that model since it hasn't been maintained
Well, I just found a guide on how to install twrp 3.2.3 on a Samsung Galaxy Star here, which has the model number SM-J337T. It has the exact same SoC, CPU and GPU as my device. The guide has a link to an unnoficial twrp recovery.img image. Would it be safe for me to use that for my SM-J337W?
PS. What does the T and W mean in the device model number?