You’ve flashed the ROM, but Android 4.4 on old eMMC storage still stutters. Here is your optimization checklist:
Most custom ROMs are built specifically for the MZ601 (Wi-Fi) or MZ600 (Verizon) . ROMs specifically optimized for the MZ604 are rarer. Users often cross-flash MZ601 ROMs on MZ604 devices, which works for the OS but may break cellular data functionality unless specific patches are applied. motorola xoom mz604 custom rom
Known for being lightweight, stable versions were developed up to Android 4.4.4. You’ve flashed the ROM, but Android 4
