Common models & firmware:
CPH1701 (old A57 – 2016 model)
CPH2387 / CPH2407 / CPH2307 (new A57 4G – 2022 model)
Example firmware files:
CPH1701: CPH1701EX_11_A.36 / A.37
CPH2387: MT6765_EX_11_A.17_220905
CPH2407: EX_11_A.17_220905
These firmware packages usually include:
ROM file (.zip / .ofp)
USB drivers
Flash tool (MSM Tool / Flash Tool)