Disable Zram - Magisk
Simply remove the module from Magisk Manager and reboot. ZRAM will be reinitialized by the kernel/init scripts automatically.
su echo 0 > /proc/sys/vm/swappiness
until [ "$(getprop sys.boot_completed)" = "1" ]; do sleep 1 done disable zram magisk
He knew the culprit. ZRAM. A compressed block device in RAM that acted as swap space. In theory, it was brilliant: squeeze stale data, fit more apps in memory. But on his worn-out eMMC and aging CPU, it was a death sentence. The kernel was spending more time compressing and decompressing memory pages than actually running his apps. The phone was drowning in its own cleverness. Simply remove the module from Magisk Manager and reboot