: This is the most frequently cited solution for Allwinner chipsets like the A133 and A523.
Advanced users may use the Android Debug Bridge (ADB) or Fastboot commands if the bootloader is accessible. In some cases, extracting the boot image via U-Boot (UART) is necessary to gain the level of control required for a bypass. Legality and Security Risks allwinner a133 frp exclusive
The A133 has a "Forced Entry Loader" (FEL) mode. Most users think you need ADB or fastboot – wrong. The A133 locks fastboot. : This is the most frequently cited solution