It isn't all perfect. Before you flash, know this:
A custom ROM isn’t perfectly better for everyone. Here is what you lose: galaxy a8 2018 custom rom better
Even in 2018, Samsung’s One UI (then based on Experience) was heavy. Today, that 4GB of RAM struggles to keep two Chrome tabs open under the weight of Samsung’s Good Lock modules, Galaxy Store bloat, and Bixby services running in the background. It isn't all perfect
“I was about to throw my A8 in the drawer. After flashing LineageOS 21, it literally feels like a Pixel 4a. The gesture navigation is fluid, and I don't have to charge it twice a day anymore.” – u/AndroidVeteran (Reddit) “I was about to throw my A8 in the drawer
“The camera is slightly worse, sure. But I gained 100% functionality. I can use Android Auto, my banking app works after hiding Magisk, and I have the October 2025 security patch. That’s better than a dead phone.” – John D. (XDA Forums)