Download Cubot Rainbow Firmware File. Rom (Flash File) of Cubot Rainbow. Below is the direct download link of Cubot Rainbow Flash Files (Stock Firmware). Flash File (Stock Firmware) Free Download of Cubot Rainbow Here.
Download Cubot Rainbow Official Stock Firmware Rom Flash File XDA
Important Notes: [*] Take a Backup of your personal data before flashing or installing the firmware on Cubot Rainbow. As this helps you to recover the personal data whenever any thing wrong happens.