If you have an official OTA update .zip file (rare for 6055K), you can sideload it via stock recovery.
Updating or "flashing" firmware is not without risk. A manual update typically erases all user data, making a comprehensive backup mandatory before proceeding . Furthermore, because the Firmware Update on ALCATEL ONE TOUCH IDOL 4 6055K
Before diving into the how , it is important to understand the why . Many users ignore update notifications, but for a device like the 6055K, staying up to date is critical for several reasons: If you have an official OTA update