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Replace the thermal paste behind the CPU shield (yes, it dries out) and install Kernel Adiutor to underclock the CPU to 800Mhz – you won't notice the speed drop, but the battery will last 2 days.
Hey everyone! I know the Samsung Galaxy J5 (2015) is ancient (Snapdragon 410, 1.5GB RAM), but it’s a legendary device because of its removable battery and excellent .
If you want to give this phone a second life without the laggy Samsung TouchWiz, here are the current best custom ROMs.
[Guide/Rom] Galaxy J5 2015 (J500x) - The best Custom Roms in 2025/2026 (Android 13/14)
Drop your model number (Settings > About > Model Number). I've bricked and unbricked this phone 50 times using a USB jig. Post last edited by [YourUsername] – Don't flash these on a J5 2016 (J510x)!
