Allwinner A133-based tablets and devices vary by manufacturer firmware, bootloader lock state, and hardware revisions. An “extra quality” approach means:
This specific SKU appeals to electronics refurbishers. If a technician knows how to bypass FRP on an Allwinner A133 (which is often achievable via specific firmware flashing tools like PhoenixSuit or Allwinner Image), they can purchase an "Extra Quality" locked tablet for a low price, unlock it, and resell it as a functional budget tablet. allwinner a133 frp extra quality
If USB Debugging was previously enabled, or if the device allows access to the stock recovery mode, ADB commands can be used to wipe the persistent partition. bootloader lock state