Stability: 5/10
Performance: 6/10
Some developers have ported Android 8.1 Oreo to the Z300C. It runs, but you will encounter bugs.
Before diving into the technicalities, let's address the "why." If your tablet is currently running stock Android 5.0 Lollipop or 6.0 Marshmallow, you are likely experiencing: Asus Zenpad 10 Z300c Custom Rom
By installing a custom ROM, you achieve:
Before we dive into downloads, it is critical to understand the hardware landscape. The Z300C uses an Intel Atom SoFIA chipset. Unlike Qualcomm or MediaTek chips, Intel’s x86-based Android chips have very limited custom development. By installing a custom ROM, you achieve: Before
The good news: A dedicated group of developers on XDA-Developers (notably k4y0z and h2o64) managed to unlock the bootloader and port LineageOS. The bad news: You will not find Android 11, 12, or 13 ROMs. The most stable custom ROM for the Z300C tops out at Android 7.1.2 (Nougat) .
If you browse forums like XDA Developers, you will find that development for the Z300C (codenamed P023 in some variants) peaked around 2016-2017. or deep sleep battery drains.
The Missing Generation: There are scattered threads attempting to port Android 9 (Pie) or 10 (Q), but these are generally labeled as "Works in Progress" or "Alpha." They usually suffer from critical bugs like broken audio, non-functional cameras, or deep sleep battery drains.