Locate (the clock icon). Tap it, select Force Stop , and then Clear Storage/Cache .
Navigate to System > About Tablet and tap Build Number 7 times. Go back to Developer Options and toggle USB Debugging to ON.
Tap to return to the Wi-Fi screen. A "Set up offline" option may appear at the bottom. allwinner a133 frp exclusive
Plug your tablet into the computer. Authorize the "Allow USB Debugging" prompt on the tablet screen.
The Allwinner A133 chipset is a popular quad-core processor found in budget Android tablets like the Blackview Tab 30 WiFi and various white-label Chinese devices. Because these devices often lack standard Fastboot or recovery menus, clearing a Google Factory Reset Protection (FRP) lock after a hard reset can be incredibly difficult without the right technician tools. Understanding the Allwinner A133 FRP Problem Locate (the clock icon)
An advanced variation of this is to attempt to edit the device's build.prop file to disable FRP by commenting out or removing the line ro.frp.pst=... using ADB commands. This method has become more difficult on newer Android versions, but may be viable on some Allwinner A133 devices with older security patches.
A key aspect of Allwinner devices is the , a low-level USB boot protocol built into the processor's BootROM. This mode allows a device to accept code and data from a computer before any flash memory is touched, making it immensely powerful for recovery, flashing, and unbricking. Go back to Developer Options and toggle USB Debugging to ON
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Once the Assistant pops up, deactivate TalkBack by holding both buttons for three seconds.
Under the CPU or model selection, choose or explicitly select A133 if listed in the updated directory. Select the FRP or Format option.