Tow-Boot is designed primarily for ARM Single Board Computers (Pine64, NanoPi, BeagleBone) and a handful of specific phones like the PinePhone and Librem 5. These devices run mainline Linux, not Android. Tow-Boot does not support Qualcomm Snapdragon or MediaTek SoCs commonly found in mainstream Android phones (Samsung, Xiaomi, Pixel).
You cannot run Tow-Boot on a Samsung Galaxy S23, and therefore, you cannot have an APK for it.
Tow-Boot is a compact, open-source bootloader for single-board computers and embedded ARM platforms. It provides fast startup, simple configuration, secure firmware update support, and flexible boot sources (MMC/eMMC, SD, NAND, SPI flash, network). Designed for minimal footprint and reliability, Tow-Boot targets devices that need faster boot time than U-Boot and simpler integration than full boot frameworks. tow-boot bootloader apk
If you are trying to replace the bootloader on an Android phone with U-Boot (not common), you must:
Note: None of these steps involve an APK or require Android to be running. Tow-Boot is designed primarily for ARM Single Board
Modern Android devices use Android Verified Boot (AVB) . The bootloader checks the signature of the boot partition. If an APK tried to flash a new bootloader, the signature would fail, the device would refuse to boot, and you would end up in a "red state" (corrupt warning) or hard brick.
Here is where the myth of the "APK" comes from. Some devices allow you to trigger a bootloader flash from Android using a helper app (like the Rockchip USB Driver helper or EtchDroid), but the flash file itself is not an APK. Note: None of these steps involve an APK
On platforms like the Pine64 PinePhone (a popular device for Tow-Boot), the "installation" process often involves:
Let’s end on a positive note. Despite the lack of an Android app, Tow-Boot is revolutionary for ARM devices. Here is why enthusiasts search for it relentlessly: