Como voltar versão do Android 9 Pie para 8 Oreo Samsung Galaxy J7 Pro 2019 | Downgrade J730G!!jynrya

J730G Firmware Original 8.1: https://drive.google.com/file/d/1szid8RjbIj0WG4IZ0QN6bVr8PTG5kKAn/view?usp=sharing 8.1: https://www.sammobile.com/firmwares/galaxy-j7-pro/SM-J730G/ZTO/download/J730GUBS6BSD1/271892/ 9.0: https://drive.google.com/file/d/1d9jOkqljBBrm2k89CS6GOCNqB3AGSpnM/view?usp=sharing 9.0: https://www.sammobile.com/firmwares/galaxy-j7-pro/SM-J730G/ZTO/download/J730GUBU6CSF1/274997/ ODIN 3.13.3: https://dl2018.sammobile.com/Odin3-v3.13.3.zip https://drive.google.com/file/d/1gieC8kZrXU3eUyV2o2y1OIPM96fS3LPQ/view?usp=sharing Drivers da Samsung: https://developer.samsung.com/galaxy/others/android-usb-driver-for-windows https://drive.google.com/file/d/1ryXOvAbUtiU5_HKZkdXqltB4sG4-3AAc/view?usp=sharing