Otto

Otto A9

Otto_A9_MT6580_V1.1.5_20180918_5.1.zip

Otto A9 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 779 MB

Otto

Otto Xs Max

Otto_Xs_Max_MT6580_v02_20180928_5.1.zip

Otto Xs Max Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinst…

Jun 09, 2026 673 MB

Otto

Otto F5

Otto_F5_MT6580_09072018_5.1.zip

Otto F5 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 809 MB

Otto

Otto P20

Otto_P20_MT6580_26062018_5.1.zip

Otto P20 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall…

Jun 09, 2026 556 MB

Otto

Otto R15 Pro

Otto_R15_Pro_MT6580_10072018_5.1.zip

Otto R15 Pro Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reins…

Jun 09, 2026 810 MB

Otto

Otto J7 Duo

Otto_J7_Duo_MT6580_20180813_5.1.zip

Otto J7 Duo Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinst…

Jun 09, 2026 437 MB

Otto

Otto F9

Otto_F9_MT6580_5.1.zip

Otto F9 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 600 MB

Otto

Otto V7 Plus

Otto_V7_Plus_MT6580_180506_5.1.zip

Otto V7 Plus Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reins…

Jun 09, 2026 784 MB

Otto

Otto 8X

Otto_8X_MT6580_180406_5.1.zip

Otto 8X Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 700 MB

Otto

Otto P20 Pro

Otto_P20_Pro_MT6580_180530_5.1.zip

Otto P20 Pro Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reins…

Jun 09, 2026 775 MB

Otto

Otto G6

Otto_G6_MT6580_20180427_5.1.zip

Otto G6 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 546 MB

Otto

Otto J7

Otto_J7_MT6580_20180311_5.1.zip

Otto J7 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 710 MB

Otto

Otto S9 Plus

Otto_S9_Plus_MT6580_17042018_5.1.zip

Otto S9 Plus Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reins…

Jun 09, 2026 826 MB

Otto

Otto F7

Otto_F7_MT6580_5.1.zip

Otto F7 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 682 MB

Otto

Otto V9 Plus

Otto_V9_Plus_MT6580_5.1.zip

Otto V9 Plus Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reins…

Jun 09, 2026 682 MB

Otto

Otto A8 Plus

Otto_A8_Plus_MT6580_20180419_5.1.zip

Otto A8 Plus Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reins…

Jun 09, 2026 553 MB

Otto

Otto Mark II

Otto_Mark_II_MT6735_V1.2.1_07202017_6.0.zip

Otto Mark II Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reins…

Jun 09, 2026 1 GB

Otto

Otto Mate 7 Plus

Otto_Mate_7_Plus_MT6580_20180408_5.1.zip

Otto Mate 7 Plus Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to r…

Jun 09, 2026 468 MB

Otto

Otto Note 8

Otto_Note_8_MT6580_20180423_5.1.zip

Otto Note 8 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinst…

Jun 09, 2026 778 MB

Otto

Otto S9

Otto_S9_MT6580_04102018_5.1.zip

Otto S9 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 817 MB

Otto

Otto U2

Otto_U2_MT6580_20180402_5.1.zip

Otto U2 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 467 MB

Otto

Otto F3 Pro

Otto_F3_Pro_MT6580_v01_02122017_5.1.zip

Otto F3 Pro Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinst…

Jun 09, 2026 698 MB

Otto

Otto V9

Otto_V9_MT6580_20171207_5.1.zip

Otto V9 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall …

Jun 09, 2026 456 MB

Otto

Otto F3s

Otto_F3S_MT6580_12122017_5.1.zip

Otto F3s Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall…

Jun 09, 2026 711 MB