Returning a stock ROM entitles the warranty on the phone. Download ZTE Stock Firmware Model NameDownload ZTE 5G CPE MC801A Firmware ZTE 9000 Firmware ZTE A1 Alpha 20 Plus Firmware ZTE A1 ZTG01 Z6750K Firmware ZTE A5 2020 Firmware ZTE A7 2019 Firmware ZTE A520S Firmware ZTE A2019 Pro Firm...