Because so many manufacturers (like , PowKiddy , and creators of the R36S ) used the same chip, developers could focus their efforts on one architecture. This led to a massive library of community-driven firmware that often outperformed the stock software. 2. How the Firmware Works
Always back up your original "stock" firmware (the SD card that came with the device) before flashing anything new. The generic cards provided by manufacturers are prone to failure, but having a digital backup of the original files can save you from a "brick" scenario. rk3326 firmware