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Rockchip Provide Tools for Upgrade firmware to on board storage media like eMMC/NAND/SPI flash.

Please chose a appropriate tool for your project.

Tool Name Owner OSS Description
Upgrade_tool Rockchip N Rockchip official release with in SDK, Linux vesion
rkdeveloptool Rockchip Y open source version of upgrade_tool
rkflashtool Community Y open source, maintained by third party
Android Tool Rockchip N official release within SDK, Windows Only


If you are using a SD card for firmware storage, then you don't need the Tool for firmware upgrade, for example, you can use 'dd' command in Linux OS.