By 2021, official development for the K004 had largely ceased. Unlike popular Samsung or Nexus devices, the Intel Lexington chipset in the Fonepad presented unique challenges for developers. Most "modern" custom ROMs for this device focus on stability rather than jumping to Android 11 or 12.
Intel x86 Issues: Some Android apps are coded strictly for ARM processors and may crash on the Intel Atom Z2420, regardless of the ROM version. asus fonepad k004 custom rom 2021
Charge the Battery: Ensure the device is at least 70% charged to prevent shutdown during the flashing process. Top Custom ROM Choices for Fonepad K004 By 2021, official development for the K004 had