: If the OTA (Over-the-Air) update doesn't appear, connect your phone to a PC and use the Huawei HiSuite tool to check for firmware. HUAWEI Global Device Review Summary
If OTA not available but you want EMUI 12
Compatibility and prerequisites
With a stable Wi-Fi connection and a prayer to the silicon gods, Leo decided to try a forced update method he found on a reputable developer site. He cleared the cache of the Update Services, changed his region settings, and hit "Check for Updates" one last time.